Question 1

What does the histogram tell you about how long these 100 toys tend to sit on the shelves at the toy store?

Accepted Answer

Some toys are sold quickly as they are more popular.

Answer

Most toys are not sold until the 6th week.

Answer

That more toys are sold in the 2nd to 6th week than any other time.

Answer

All the toys are sold equally.

Question 2

Which statement would not be true about this histogram if the intervals were changed to 0–6 weeks and 6 or more weeks?

Accepted Answer

You could see more clearly which toys sold quickly.

Answer

You would have only two columns so it would be easier to create.

Answer

The data would be less useful and  the intervals would be less even.

Answer

You would need to increase the scale on the Y axis.

Question 3

When does it make sense to use a histogram?

Accepted Answer

When you have a lot of data that you want to break into intervals instead of showing every number.

Answer

When the data is a measurement of something like length of your hair.

Answer

When you are in kindergarten and the teacher says make a graph of this data  and you eat your crayons because snack time was an hour ago and boy are you tired.

Answer

When you want read each piece of data and think about it.

Question 4

What was the recorded temperature in April?

Accepted Answer

19

Answer

15

Answer

24

Answer

22

Question 5

How do we know that there was no continuous record of temperature from this graph?

Accepted Answer

The line is broken.

Answer

There is no number between January and February.

Answer

The Y axis is temperature.

Answer

The scale is 5.

Question 6

What information helps us understand that each data point represents many pieces of data?

Accepted Answer

The heading says average.

Answer

There are only 6 months listed.

Answer

There are no readings over 26 degrees.

Answer

There is an increase from February to June.

Question 7

What trend is evident in this broken line graph?

Accepted Answer

There is an increase.

Answer

The trend is 18.

Answer

There is a decrease.

Answer

January to February.

Question 8

If you were counting the number of people in a store at different times of the day you would use a broken line graph to show it.

Accepted Answer

true

Answer

false

Question 9

What is the driest month of the year?

Accepted Answer

July

Answer

February

Answer

September

Answer

January

Question 10

What was the average rainfall from April to May?

Accepted Answer

9

Answer

6

Answer

It does not have this information.

Answer

12

Question 11

Which month did the rainfall trend up?

Accepted Answer

February

Answer

March

Answer

June

Answer

April

Question 12

What is the annual average rainfall for this place?

Accepted Answer

between 5 and 10 mm

Answer

about 15mm

Answer

less than 5mm

Answer

It does not show this information.

Question 13

When do you need to use a continuous line graph?

Accepted Answer

When showing the temperature outside the classroom window at the start of each hour of the day.

Answer

When finding out a students favourite fast food restaurant in Oakville.

Answer

When you want to show that there is no connection between the numbers and show that they are categories.

Answer

When counting the colour of cars on a highway section from 6am to 8 am.

Question 14

If you graphed this data what scale would you use?

Accepted Answer

1

Answer

5

Answer

100

Answer

50

Question 15

What is not an  important thing to think about when creating an infographic?

Accepted Answer

That it has lots of details.

Answer

That it shows the information quickly.

Answer

That you include enough information to interpret it.

Answer

That the data is true.

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