Data Handling Quizzes for Year 6 Maths | Comprehensive School

Question 1

How would you categorize the data: The number of siblings in a group of students?

Accepted Answer

Quantitative data

Answer

Qualitative data

Question 2

To collect data on the sleeping habits of all students in your school, which sampling method would be most suitable and why?

Accepted Answer

Random sampling: Choose a random group of students from the entire school.

Answer

Voluntary sampling: Ask students to volunteer to take part in the survey.

Answer

Quota sampling: Divide the students into groups based on age or gender and select a set number from each group.

Question 3

In a study, researchers measure the heights of students. What type of variable is 'height' and what type of data does it represent?

Accepted Answer

Continuous variable; Quantitative data

Answer

Categorical variable; Qualitative data

Answer

Categorical variable; Quantitative data

Answer

Discrete variable; Qualitative data

Question 4

A survey asked students how many hours they spend on social media each day. What type of data is this?

Accepted Answer

Quantitative data

Answer

Qualitative data

Answer

Categorical data

Answer

Ordinal data

Question 5

Why is it important to understand the context of a survey?

Accepted Answer

To know why the survey was done and what it can tell us.

Answer

To check if the data is accurate.

Answer

To decide if the results are important.

Answer

To make sure the results are fair.

Question 6

A survey asked students about their favorite school subject and the time they spend studying it. Which of the following would help you find out if there is a relationship between these two variables?

Accepted Answer

Create a scatter plot of the data.

Answer

Calculate the mean and median of the data.

Answer

Create a histogram of the data.

Answer

Calculate the mode of the data.

Question 7

How can you best gather information about your classmates' preferred learning styles?

Accepted Answer

Give them a survey with multiple-choice questions about learning styles.

Answer

Have them write a short paragraph about their learning styles.

Answer

Talk to each student individually about their learning styles.

Question 8

Which of the following is NOT a measure of central tendency?

Accepted Answer

Range

Answer

Mean

Answer

Median

Answer

Mode

Question 9

Tick the option that is NOT a way to collect data:

Accepted Answer

Watching TV

Answer

Surveys

Answer

Interviews

Answer

Experiments

Question 10

Which type of graph is best for showing how data changes over time?

Accepted Answer

Line graph

Answer

Bar chart

Answer

Pie chart

Answer

Scatter plot

Question 11

Which of these is a characteristic that you can't measure with a number?

Accepted Answer

Eye colour

Answer

Height

Answer

Age

Answer

Shoe size

Question 12

Which graph would be best to represent the number of hours students in a class spent on the internet last week?

Accepted Answer

Bar chart

Answer

Pictogram

Answer

Pie chart

Answer

Line graph

Question 13

Which of the following is true about the data: 3, 6, 9, 12, 15?

Accepted Answer

The numbers increase by 3.

Answer

The numbers multiply by 3.

Answer

The numbers form a sequence.

Answer

The numbers do not form a sequence.

Question 14

Which of the following is NOT a measure of central tendency?

Accepted Answer

Range

Answer

Mean

Answer

Median

Answer

Mode

Question 15

Which of the following is the best method to collect data about the favorite foods of students in your class?

Accepted Answer

Send out a survey to all students.

Answer

Interview each student individually.

Answer

Observe students' lunch boxes.

Answer

Count the number of times each food item is mentioned in the school cafeteria.

Question 16

What is the main purpose of a stem-and-leaf plot?

Accepted Answer

To display the spread of data.

Answer

To find the mean of data.

Answer

To find the mode of data.

Answer

To find the range of data.

Question 17

A pie chart is best used to show:

Accepted Answer

How different parts make up a whole

Answer

How often different things happen

Answer

How things change over time

Answer

The relationship between two things

Question 18

What does the mean of a set of numbers represent?

Accepted Answer

The average of all the numbers

Answer

The most common number

Answer

The sum of all the numbers

Answer

The difference between the highest and lowest numbers

Question 19

What is the difference between a mode and a median?

Accepted Answer

Mode is the most common value, median is the middle value.

Answer

Mode is the middle value, median is the most common value.

Answer

Mode and median are the same thing.

Answer

Median is the most common value, mode is the middle value.

Question 20

A line graph is best used to show:

Accepted Answer

How things change over time

Answer

How often different things happen

Answer

How different parts make up a whole

Answer

The relationship between two things

Question 21

What does the range of a set of numbers represent?

Accepted Answer

The difference between the highest and lowest numbers

Answer

The sum of all the numbers

Answer

The average of all the numbers

Answer

The most common number

Question 22

Which of these is a random sample?

Accepted Answer

Every 10th person in a queue

Answer

All students in a particular class

Answer

People who volunteer to participate in a survey

Answer

All people living in a particular postcode

Question 23

Which of these is NOT a way to collect data?

Accepted Answer

Guessing

Answer

Surveys

Answer

Interviews

Answer

Observations

Question 24

Which type of graph shows information changing over time?

Accepted Answer

Line graph

Answer

Pie chart

Answer

Bar chart

Answer

Venn diagram

Question 25

Which type of data can be shown using a pie chart?

Accepted Answer

Information about different groups

Answer

Information that changes over time

Answer

Information that is ranked

Answer

Information about locations

Question 26

What is the difference between mean and median?

Accepted Answer

Mean is the sum of all values divided by the number of values, while median is the middle value when the data is ordered.

Answer

Median is the sum of all values divided by the number of values, while mean is the middle value when the data is ordered.

Answer

Mean and median are the same thing.

Answer

Median is always higher than mean.

Question 27

Which of these measures how spread out the data is?

Accepted Answer

Standard deviation

Answer

Mean

Answer

Median

Answer

Mode

Question 28

When you flip a coin, what is the chance of getting heads?

Accepted Answer

50%

Answer

0%

Answer

100%

Answer

200%

Question 29

Which chart is most suitable for showcasing data over a duration of time?

Accepted Answer

Line graph

Answer

Bar chart

Answer

Pie chart

Answer

Venn diagram

Question 30

Which of the following is NOT a factor to consider when creating a visual representation of data?

Accepted Answer

The complexity of the chart

Answer

The purpose of the chart

Answer

The type of data being presented

Answer

The colours used in the chart

Question 31

What is the key difference between a bar chart and a histogram?

Accepted Answer

Bar charts show individual data points, while histograms show grouped data.

Answer

Histograms show individual data points, while bar charts show grouped data.

Answer

Bar charts are used for qualitative data, while histograms are used for quantitative data.

Answer

There is no difference between bar charts and histograms.

Question 32

Which type of graph shows data in vertical bars?

Accepted Answer

Bar chart

Answer

Line graph

Answer

Scatterplot

Answer

Pie chart

Question 33

What does the 'mode' of a data set tell us?

Accepted Answer

The value that occurs most often

Answer

The value that occurs least often

Answer

The average of all the values

Answer

The range of all the values

Question 34

The data we collect from a small group to represent a larger group is called a:

Accepted Answer

Sample

Answer

Population

Answer

Mean

Answer

Median

Question 35

Which of these is a measurement that shows how spread out data is?

Accepted Answer

Range

Answer

Mean

Answer

Median

Answer

Mode

Question 36

A sample is considered biased if it:

Accepted Answer

Does not represent the whole group

Answer

Represents the whole group

Answer

Has a lot of data

Answer

Is easy to collect

Question 37

Which of the following is an example of a categorical variable?

Accepted Answer

Gender

Answer

Height

Answer

Age

Answer

Income

Question 38

What is the purpose of a stem-and-leaf plot?

Accepted Answer

To show the distribution of data.

Answer

To show the spread of data.

Answer

To find the mean and median of data.

Answer

To compare two or more sets of data.

Question 39

Which of these is NOT a measure of central tendency?

Accepted Answer

Range

Answer

Mean

Answer

Median

Answer

Mode

Question 40

Which of the following is an example of a categorical variable?

Accepted Answer

Gender

Answer

Height

Answer

Age

Answer

Test score

Question 41

Which of the following methods should NOT be used to collect data?

Accepted Answer

Guesstimates

Answer

Interviews

Answer

Surveys

Answer

Observations

Question 42

Which type of chart is suitable for displaying changes over time?

Accepted Answer

Line graph

Answer

Bar chart

Answer

Pie chart

Answer

Scatter plot

Question 43

Identify the mode of the data set: {4, 5, 6, 6, 7, 8, 9}

Accepted Answer

6

Answer

5

Answer

7

Answer

8

Question 44

Which statistical measure indicates the spread of the data?

Accepted Answer

Range

Answer

Mean

Answer

Median

Answer

Mode

Question 45

Which of the following is not a method for gathering information?

Accepted Answer

Mind reading

Answer

Surveys

Answer

Interviews

Answer

Observations

Question 46

Which graph is most suitable for showing how often different categories appear in a data set?

Accepted Answer

Pie chart

Answer

Bar chart

Answer

Line graph

Answer

Scatter plot

Question 47

Which of these questions could lead to biased answers?

Accepted Answer

Don't you agree blue is the best colour?

Answer

What is your age?

Answer

What is the capital of France?

Answer

Which subject do you enjoy most?

Question 48

If you roll a fair six-sided dice, what is the chance of getting a five?

Accepted Answer

1 in 6

Answer

1 in 2

Answer

1 in 3

Answer

1 in 4

Question 49

Which kind of graph shows data that changes over time?

Accepted Answer

Line graph

Answer

Bar graph

Answer

Pie chart

Question 50

Which of these is a way to measure the 'average' of a set of data?

Accepted Answer

Mean

Answer

Variance

Answer

Range

Answer

Standard deviation

Question 51

What is the main difference between a population and a sample?

Accepted Answer

A population is the entire group of interest, while a sample is a smaller group selected from the population.

Answer

A population is always larger than a sample.

Answer

A sample is always more accurate than a population.

Question 52

Which of these methods is used to select a sample from a population?

Accepted Answer

Random sampling

Answer

Convenience sampling

Answer

Quota sampling

Question 53

What is the null hypothesis?

Accepted Answer

The hypothesis that there is no difference between two or more groups.

Answer

The hypothesis that the data is normally distributed.

Answer

The hypothesis that there is a difference between two or more groups.

Question 54

Which of the following is NOT a type of data in Statistics?

Accepted Answer

Opinion

Answer

Categorical

Answer

Numerical

Answer

Ordinal

Question 55

Which type of graph is most suitable for showing changes over time?

Accepted Answer

Line graph

Answer

Bar chart

Answer

Pie chart

Answer

Scatterplot

Question 56

Which of the following measures of central tendency is most affected by outliers?

Accepted Answer

Mean

Answer

Mode

Answer

Range

Answer

Median

Question 57

Which of the following is a measure of dispersion used in Statistics?

Accepted Answer

Standard deviation

Answer

Mode

Answer

Mean

Answer

Median

Question 58

What is the probability of rolling a number greater than 4 on a standard six-sided die?

Accepted Answer

1/2

Answer

1/5

Answer

1/4

Answer

1/3

Question 59

What is the difference between a population and a sample in Statistics?

Accepted Answer

A population is the entire group of interest, while a sample is a smaller group that represents the population.

Answer

A population is smaller than a sample.

Answer

A sample is larger than a population.

Question 60

Which of the following is an example of statistical inference?

Accepted Answer

Predicting the weather based on historical data.

Answer

Creating a graph of the test scores in a class.

Answer

Collecting data on the number of students in a school.

Answer

Calculating the mean of a set of numbers.

Question 61

Which of the following is not a measure of central tendency?

Accepted Answer

Range

Answer

Mode

Answer

Median

Answer

Mean

Question 62

Find the median of the data set: 2, 4, 6, 8, 10

Accepted Answer

6

Answer

4

Answer

10

Answer

8

Question 63

What is a pie chart used for?

Accepted Answer

Representing proportions of a whole

Answer

Identifying trends in data

Answer

Showing changes over time

Question 64

What are outliers?

Accepted Answer

Values that are very different from the rest of the data

Answer

Values that are missing

Answer

Values that are similar to most of the data