Understanding Histograms

Front

What is a histogram primarily used for?

Back

To represent frequency of data visually

Front

What type of data could be collected to create a histogram? Favorite colors of students, Height of students, Number of books read

Back

All of the above

Front

On a histogram, what does the x-axis represent?

Back

Range of values

Answer explanation

We call the number groupings on the x-axis "bins". For example, a bin size of 5 would have bars of 1-5, 6-10, 11-15, etc. A bin size of 10 would have bars of 1-10, 11-20, 21-30, etc.

Front

Why do the bars in a histogram touch each other?

Back

To indicate continuous data ranges

Front

What does the height of a bar in a histogram represent?

Back

Frequency of the data within a range

Front

Which range had the highest frequency of students completing push-ups? Options:

30-39

,

20-29

,

0-9

,

10-19

Back

20-29

Front

What can be inferred about the difficulty of doing 40-49 push-ups? Options: None attempted this range, It was the hardest range, Many students achieved this, It was the easiest range

Back

It was the hardest range

Front

How does a histogram help in understanding data?

Back

By showing patterns and trends visually

Front

How many students are represented by the histogram?

Back

31

Front

How many times did she practice for at least 45 minutes? Options: 6, 7, 9, 12

Back

7