PM Review — Data Handling

Question 1 Difficulty 1

What is data?

A A type of graph
B A collection of facts and numbers
C A mathematical operation
D A computer program

💡 Explanation Data refers to a collection of facts and numbers that can be analyzed.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 2 Difficulty 1

What type of data is the number of students in your class?

A Continuous Data
B Discrete Data
C Categorical Data
D Interval Data

💡 Explanation The number of students can be counted, making it discrete data.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 3 Difficulty 1

Which of the following is an example of continuous data?

A Number of cars in a parking lot
B Weight of a school bag
C Votes in an election
D Number of books on a shelf

💡 Explanation Weight can take any value within a range, making it continuous data.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 4 Difficulty 1

What does a bar graph represent?

A Parts of a whole
B Comparison of numbers
C A sequence of events
D A timeline

💡 Explanation Bar graphs are used to compare different quantities or numbers.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 5 Difficulty 1

What is a pie chart used for?

A To show changes over time
B To compare different numbers
C To show parts of a whole
D To list items

💡 Explanation Pie charts visually represent parts of a whole using slices.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 6 Difficulty 1

How do you calculate the mean?

A Add all numbers and divide by the total
B Find the middle number
C Identify the most frequent number
D Count the total number of values

💡 Explanation The mean is found by adding all numbers and dividing by how many there are.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 7 Difficulty 1

What is the mode of the data set: 2, 3, 4, 4, 5?

A 2
B 3
C 4
D 5

💡 Explanation The mode is the number that appears most frequently, which is 4.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 8 Difficulty 1

What type of graph can be misleading?

A Bar Graph
B Pie Chart
C Line Graph
D Any graph

💡 Explanation Any graph can be misleading if not represented accurately.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 9 Difficulty 1

What describes accuracy in data?

A How close a number is to the actual value
B How exact a number is
C The average of a set of data
D The most common value in data

💡 Explanation Accuracy refers to how close a number is to the true or actual value.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 10 Difficulty 1

What is the median of the data set: 1, 3, 3, 6, 7, 8, 9?

A 3
B 6
C 7
D 5

💡 Explanation The median is the middle number in a sorted list, which is 6.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 11 Difficulty 2

Which of these is not a method of showing data?

A Bar Graph
B Pie Chart
C Histogram
D Book Report

💡 Explanation A book report is not a method of showing data; it is a narrative description.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 12 Difficulty 2

Which data type includes measurements like height and weight?

A Categorical Data
B Discrete Data
C Continuous Data
D Ordinal Data

💡 Explanation Height and weight are examples of continuous data because they can take any value within a range.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 13 Difficulty 2

In a bar graph, what does the height of the bars represent?

A The quantity of each category
B The average value
C The total number of items
D The percentage of each category

💡 Explanation The height of the bars in a bar graph represents the quantity associated with each category.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 14 Difficulty 2

If the mode of a data set is 5, what does this indicate?

A 5 is the average
B 5 appears most frequently
C 5 is the smallest number
D 5 is the largest number

💡 Explanation The mode is the number that appears most often, indicating 5 appears frequently in the data set.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 15 Difficulty 2

What is the correct way to find the median in an even set of numbers?

A Average the two middle numbers
B Take the first middle number
C Count the total numbers
D Identify the largest number

💡 Explanation To find the median in an even set, you average the two middle numbers.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 16 Difficulty 2

What does precision in data mean?

A Being close to actual value
B Being very exact
C Being very average
D Being very frequent

💡 Explanation Precision refers to how exact a number is, regardless of its accuracy.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 17 Difficulty 2

What is a misleading graph?

A A graph that is difficult to read
B A graph that exaggerates the data
C A graph that shows too much data
D A graph with too many colors

💡 Explanation A misleading graph is one that exaggerates or misrepresents the actual data.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 18 Difficulty 2

How do you find the mean of these numbers: 4, 8, 6?

A 6
B 8
C 4
D 18

💡 Explanation To find the mean, add the numbers (4 + 8 + 6 = 18) and divide by the total number (3), which gives 6.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 19 Difficulty 2

What type of data would you use to track the temperature over a week?

A Discrete Data
B Continuous Data
C Categorical Data
D Nominal Data

💡 Explanation Temperature is measured and can take any value within a range, making it continuous data.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 20 Difficulty 2

Which is the best visual representation to show market share of companies?

A Line Graph
B Bar Graph
C Pie Chart
D Histogram

💡 Explanation A pie chart is effective for showing parts of a whole, such as market share.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 21 Difficulty 3

In a set of numbers 10, 20, 20, 30, 40, what is the mode?

A 10
B 20
C 30
D 40

💡 Explanation The mode is the number that appears most frequently, which is 20.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 22 Difficulty 3

What is the median of the data set: 7, 2, 9, 4, 6?

A 4
B 6
C 5
D 7

💡 Explanation After sorting the numbers (2, 4, 6, 7, 9), the middle number is 6.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 23 Difficulty 3

Which statement about mean is true?

A It cannot be calculated for negative numbers
B It is the same as the median
C It can be affected by extremely high or low values
D It always equals the mode

💡 Explanation The mean can be heavily influenced by outliers, which are extremely high or low values.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 24 Difficulty 3

If the mean of a dataset is 15 and there are 5 numbers, what is the total sum of the numbers?

A 60
B 75
C 100
D 50

💡 Explanation To find the total sum, multiply the mean by the number of items: 15 * 5 = 75.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 25 Difficulty 3

In a pie chart, if one slice is 25%, what does it represent?

A A quarter of the total
B Half of the total
C A full total
D One-fourth of the total

💡 Explanation A slice representing 25% indicates that it is one-quarter of the whole.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 26 Difficulty 3

Which type of data is the height of students in a class?

A Discrete Data
B Continuous Data
C Categorical Data
D Ordinal Data

💡 Explanation Height is measured and can take any value within a range, making it continuous data.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 27 Difficulty 3

What is the accuracy of a measurement?

A Closeness to the true value
B Exactness of the measurement
C Average of all measurements
D Frequency of measurement

💡 Explanation Accuracy refers to how close a measurement is to the true or actual value.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 28 Difficulty 3

Which of the following can mislead data representation?

A Proper scales
B Inaccurate labels
C Clear titles
D Accurate data

💡 Explanation Inaccurate labels can mislead viewers about what the data actually represents.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 29 Difficulty 3

What is the mean of 5, 10, 15, 20?

A 10
B 12.5
C 15
D 20

💡 Explanation The mean is (5 + 10 + 15 + 20) / 4 = 50 / 4 = 12.5.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 30 Difficulty 3

What is the median of the following numbers: 1, 3, 5, 7, 9, 11?

A 5
B 6
C 7
D 8

💡 Explanation The median is the middle number of the sorted list, which is 6.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 31 Difficulty 4

If the mean of five numbers is 20, what is their total sum?

A 100
B 80
C 20
D 50

💡 Explanation To find the total sum, multiply the mean by the number of items: 20 * 5 = 100.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 32 Difficulty 4

In a dataset 10, 20, 30, 40, 50, what is the median?

A 30
B 35
C 40
D 50

💡 Explanation The median is the middle value in the sorted list, which is 30.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 33 Difficulty 4

Which of the following graphs is best for showing trends over time?

A Bar Graph
B Line Graph
C Pie Chart
D Scatter Plot

💡 Explanation A line graph is best for showing trends over time.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 34 Difficulty 4

What is the mode of the numbers: 2, 3, 3, 5, 7, 7, 7?

A 2
B 3
C 5
D 7

💡 Explanation The mode is the number that appears most frequently, which is 7.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 35 Difficulty 4

If a pie chart shows that 40% of a budget is spent on education, what does this mean?

A Education is the least priority
B Education is a major expense
C Education is not funded
D Education is the only expense

💡 Explanation Spending 40% of a budget on education indicates that it is a significant expense.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 36 Difficulty 4

Which type of data is used for survey responses like 'Yes' or 'No'?

A Continuous Data
B Categorical Data
C Discrete Data
D Interval Data

💡 Explanation Survey responses like 'Yes' or 'No' are categorical data because they categorize responses.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 37 Difficulty 4

How can outliers affect the mean of a dataset?

A They have no effect
B They can increase the mean
C They can decrease the mean
D Both B and C

💡 Explanation Outliers can significantly increase or decrease the mean, making it less representative of the data.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 38 Difficulty 4

What does a histogram represent?

A Parts of a whole
B Frequency distribution of data
C Changes over time
D Comparison of categories

💡 Explanation A histogram represents the frequency distribution of continuous data.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 39 Difficulty 4

If a dataset has a mean of 10 and a mode of 8, what can we infer?

A The dataset is uniform
B There are outliers
C The mean is less than the mode
D The mean is greater than the mode

💡 Explanation If the mean is greater than the mode, it suggests that higher values are influencing the average.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?

Question 40 Difficulty 4

Which graph is best for comparing categories?

A Pie Chart
B Line Graph
C Bar Graph
D Histogram

💡 Explanation A bar graph is the best choice for comparing different categories side by side.

Thought Direction Does it guide toward the right thinking?

Playfulness Is it engaging and fun?

Guidance Quality How well does it scaffold learning?

Curiosity Building Does it spark wonder?