6th Grade Statistics

Front

Here’s a dot plot of a data set. Which statement is true about the mean of the data set? The mean is less than 5., The mean is equal to 5., The mean is greater than 5., There is not enough information to determine the mean.

Back

The mean is equal to 5.

Front

This box plot displays information about the number of text messages some students sent one day. What is the median number of texts sent by students?

Back

14

Front

This box plot displays information about the number of text messages some students sent one day. What is the IQR (interquartile range)?

Back

10

Front

Is the data set in the box plot symmetric?

Back

No. The top quartile is much wider than the bottom quartile.

Front

Which group shows greater variability in scores for two groups of friends who went bowling?

Back

The first group shows greater variability because it has a wider range (120) and a wider IQR (50).

Front

Ten students each attempted 10 free throws. This list shows how many free throws each student made. What is the median number of free throws made?

Back

6

Front

Ten students each attempted 10 free throws. This list shows how many free throws each student made. What is the IQR (interquartile range)?

Back

3

Front

Jada asked some students at her school how many hours they spent watching television last week, to the nearest hour. Here is a histogram for the data she collected. About how many students did Jada ask?

Back

100