Statistics for Year 3 Maths: Interactive Quizzes and Learning

Question 1

We measured the length of some pencils in centimeters: 12, 14, 13, 15, 12, 14, 19. Which length is different from the others? Explain your answer.

Accepted Answer

19 cm

Answer

12 cm

Answer

14 cm

Question 2

Which of these is NOT a way to collect data?

Accepted Answer

Guessing

Answer

Surveys

Answer

Observations

Answer

Experiments

Question 3

Which of these is NOT a way to collect data?

Accepted Answer

Guessing

Answer

Surveys

Answer

Observation

Answer

Experiments

Question 4

Which of these is not a reliable way to gather information?

Accepted Answer

Guessing

Answer

Surveys

Answer

Experiments

Answer

Interviews

Question 5

Which of these is the best way to show information you have collected?

Accepted Answer

Table

Answer

Drawing

Answer

Story

Answer

Dance

Question 6

Which of these is NOT a way to collect data?

Accepted Answer

Guessing

Answer

Surveys

Answer

Interviews

Answer

Observations

Question 7

How can you find out the favorite colors of your classmates?

Accepted Answer

Ask each classmate their favorite color and write it down.

Answer

Guess each classmate's favorite color.

Answer

Read each classmate's mind to find out their favorite color.

Answer

Use a magic wand to collect the data.

Question 8

Scientists use different methods to gather information. Which of these is NOT a way that scientists collect information?

Accepted Answer

Making assumptions

Answer

Asking questions

Answer

Conducting experiments

Answer

Observing things

Question 9

Which value in a data set appears the most often?

Accepted Answer

Mode

Answer

Median

Answer

Mean

Question 10

What information does a bar graph show?

Accepted Answer

How many things are in different groups

Answer

How things change over time

Answer

How two things are related

Question 11

Which of these is NOT a way to collect data?

Accepted Answer

Guessing

Answer

Surveys

Answer

Observations

Answer

Experiments

Question 12

Which of these is NOT a way to collect data?

Accepted Answer

Guessing

Answer

Surveys

Answer

Observations

Answer

Experiments

Question 13

Which graph would be best to show which pets are the most popular in your class?

Accepted Answer

A bar chart with different pets on the bottom and the number of votes on the side

Answer

A line graph with different pets on the bottom and the number of votes on the side

Answer

A pie chart with different colors for different pets

Answer

A scatter plot with the number of votes on the bottom and the different pets on the side

Question 14

Which of these ways of counting the middle of a set of numbers is most affected by very large or small numbers?

Accepted Answer

Mean

Answer

Median

Answer

Mode

Answer

Range

Question 15

A survey found that the average height of a group of students is 140 cm. If one very tall student joins the group, what is likely to happen to the average height?

Accepted Answer

It will go up.

Answer

It will go down.

Answer

It will stay the same.

Answer

It is impossible to say.

Question 16

Which of the following is NOT a common type of graph used to present data?

Accepted Answer

Diagram

Answer

Bar chart

Answer

Pie chart

Answer

Line graph

Question 17

What is a pictogram?

Accepted Answer

A graph that uses pictures or symbols to represent data

Answer

A graph that uses bars to represent data

Answer

A graph that uses lines to represent data

Answer

A graph that uses numbers to represent data

Question 18

Which of the following is NOT a way to organize data?

Accepted Answer

Writing a paragraph

Answer

Creating a table

Answer

Drawing a graph

Answer

Making a list

Question 19

What does the term 'frequency' mean when we are collecting data?

Accepted Answer

The number of times something happens

Answer

The average value of a set of data

Answer

The difference between two values

Answer

The percentage of a total

Question 20

What is the main difference between a bar chart and a pictograph?

Accepted Answer

Bar charts use bars to represent data, while pictographs use symbols.

Answer

Pictographs use bars to represent data, while bar charts use symbols.

Answer

Bar charts are more accurate than pictographs.

Answer

Pictographs are more accurate than bar charts.

Question 21

Which of these is not a way to collect information?

Accepted Answer

Guessing

Answer

Surveys

Answer

Interviews

Answer

Experiments

Question 22

Why do we organize information?

Accepted Answer

To make it easier to understand

Answer

To make it look neat

Answer

To hide the information

Answer

To make it more confusing

Question 23

Look at the bar chart below. Which subject has the most students who like it?

(A bar chart shows three bars: English with 15 students, Maths with 20 students, and Science with 18 students.)

Accepted Answer

Maths

Answer

English

Answer

Science

Answer

All equal

Question 24

Which of the following is a good title for the data set: The number of pets owned by students in a class?

Accepted Answer

Pets in our Classroom

Answer

My Favorite Animals

Answer

Animal Information

Answer

Data Results

Question 25

The following data shows the heights of 5 plants in centimeters: 10, 12, 15, 13, 14. What is the average (mean) height of the plants?

Accepted Answer

13

Answer

10

Answer

12

Answer

14

Question 26

What is one way to organize data?

Accepted Answer

Creating a table

Answer

Drawing a graph

Answer

Writing a paragraph

Answer

Singing a song

Question 27

In the list of numbers: 3, 5, 5, 7, 9, which number appears most often?

Accepted Answer

5

Answer

3

Answer

7

Answer

9

Question 28

Which type of graph shows how things change over time?

Accepted Answer

Line graph

Answer

Bar chart

Answer

Pie chart

Answer

Scatter plot

Question 29

Which of these bar charts shows the greatest difference between the values?

Accepted Answer

[Bar chart with large differences between values]

Answer

[Bar chart with small differences between values]

Answer

[Bar chart with medium differences between values]

Question 30

Why are pictograms a helpful way to present information?

Accepted Answer

They use pictures that are easy to understand.

Answer

They can show a lot of information at once.

Answer

They can be used to show any type of information.

Question 31

Which of these is NOT a way to organize data?

Accepted Answer

Drawing a picture

Answer

Making a tally chart

Answer

Creating a frequency table

Answer

Using a pie chart

Question 32

Which of these is a tally chart?

Accepted Answer

A table with tally marks

Answer

A list of numbers

Answer

A bar graph

Answer

A pie chart

Question 33

Which of these is NOT a type of data?

Accepted Answer

Pictures

Answer

Numbers

Answer

Words

Answer

Measurements

Question 34

Which of these is NOT a way to show data?

Accepted Answer

Writing

Answer

Tables

Answer

Graphs

Answer

Pictures

Question 35

Why do we use bar charts?

Accepted Answer

To show how many of different things there are

Answer

To show how tall different things are

Answer

To show how far different things are

Answer

To show how fast different things are

Question 36

Which of these pictures tells us the most information?

Accepted Answer

Each picture means 10 people

Answer

Each picture means 1 person

Answer

Each picture means 2 people

Answer

Each picture means 5 people

Question 37

What does the most frequently occurring number in a set of data represent?

Accepted Answer

The most common value

Answer

The average value

Answer

The least common value

Answer

The widest range of values

Question 38

Which of these is NOT a question we can ask using statistics?

Accepted Answer

Why?

Answer

How many?

Answer

How often?

Answer

What is the average?

Question 39

A bag has 5 red, 3 blue, and 2 yellow marbles in it. What is the probability of picking a blue marble from the bag?

Accepted Answer

1/3

Answer

1/5

Answer

1/4

Answer

1/2

Question 40

What do we call it when we ask a group of people questions to collect information?

Accepted Answer

Survey

Answer

Interview

Answer

Experiment

Question 41

What title best describes the pictogram showing different pets in a class?

Accepted Answer

Pets in Our Class

Answer

The Most Popular Pet

Answer

How Many Pets Do We Have?

Answer

Our Favourite Pets

Question 42

Which is NOT a type of graph?

Accepted Answer

Recipe

Answer

Bar chart

Answer

Pie chart

Answer

Scatter plot

Question 43

Which of these is not a type of graph?

Accepted Answer

Table

Answer

Bar chart

Answer

Pictogram

Answer

Line graph

Question 44

What type of graph shows how often different things happen?

Accepted Answer

Bar chart

Answer

Pie chart

Answer

Line graph

Answer

Scatter graph

Question 45

Which of the following graphs could a farmer use to show the number of apples he picked from each of his trees?

Accepted Answer

Bar chart

Answer

Pictogram

Answer

Line graph

Answer

Scatter graph

Question 46

What is NOT a way to collect data?

Accepted Answer

Voting

Answer

Surveys

Answer

Observations

Answer

Experiments

Question 47

When collecting data, which of these methods should NOT be used?

Accepted Answer

Making a guess

Answer

Asking people to complete a survey

Answer

Conducting an experiment

Answer

Interviewing people

Question 48

When gathering information, what should we avoid doing?

Accepted Answer

Guessing without evidence

Answer

Asking people questions

Answer

Observing and recording events

Answer

Testing ideas through experiments

Question 49

Why do we use bar charts?

Accepted Answer

To compare information

Answer

To show changes over time

Answer

To predict the future

Question 50

How are pictograms different from bar charts?

Accepted Answer

Pictograms use pictures, while bar charts use bars

Answer

Bar charts are easier to make

Answer

Pictograms are more accurate

Question 51

How can we make it easier to understand our information?

Accepted Answer

Organize it into a table or graph

Answer

Ignore it

Answer

Throw it away

Answer

Pile it up

Question 52

How do we make sense of data?

Accepted Answer

Look for patterns and changes

Answer

Make up stories

Answer

Ignore it

Answer

Throw it away

Question 53

Which number appears the most in this data set: 5, 5, 10, 15, 20?

Accepted Answer

5

Answer

15

Answer

10

Answer

20

Question 54

Which question might not give fair results?

Accepted Answer

Do you think all vegetables are good for you?

Answer

What is your favorite color?

Answer

How many hours do you play video games each day?

Answer

What is your age?

Question 55

What is the difference between a group of people we want to learn about and a smaller group we actually study?

Accepted Answer

Population is the whole group, sample is a smaller subset

Answer

Sample is more accurate than population

Answer

Population is smaller than sample

Question 56

What does the median of a data set represent?

Accepted Answer

The middle value when the data is arranged in order from smallest to largest.

Answer

The average of all the data values.

Answer

The most frequently occurring value in the data.

Question 57

Which of the following is a way to collect data?

Accepted Answer

Survey

Answer

Playing a game

Answer

Eating a snack

Answer

Watching a movie

Question 58

What is the purpose of a pictogram?

Accepted Answer

To represent data using symbols or pictures.

Answer

To show the mean of a data set.

Answer

To predict future data values.

Answer

To compare two or more data sets.

Question 59

Which of the following is a way to organize data?

Accepted Answer

Creating a tally chart

Answer

Singing a song

Answer

Writing a poem

Question 60

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

Accepted Answer

Bar charts use bars to represent data, while pictographs use symbols or pictures.

Answer

Bar charts show the mean of a data set, while pictographs show the median.

Answer

Bar charts are used for continuous data, while pictographs are used for categorical data.

Question 61

What is the mean of the following set of numbers: 3, 5, 7, 9, 11?

Accepted Answer

7

Answer

9

Answer

11

Answer

5

Question 62

Which of the following is a key part of interpreting a statistical graph?

Accepted Answer

Looking at the title, labels, and key.

Answer

Ignoring the data points.

Answer

Only looking at the most colorful parts of the graph.

Answer

Assuming that all graphs are accurate.

Question 63

Which is the best way to find out how many children in your class like the color blue?

Accepted Answer

Ask each person and count how many like blue.

Answer

Guess how many might like blue.

Answer

Draw a picture of blue.

Question 64

If you want to know how many people in your class have brown hair, what should you do?

Accepted Answer

Count the people with brown hair.

Answer

Guess how many might have brown hair.

Answer

Draw a picture of all the brown hair.