Data

Which measure of central tendency is not affected by outliers?

• Median

• Range

• Mode

• Mean

What is the value of the mean for the following set of data: 5, 7, 9, 11, 13?

• 11

• 7

• 9

• 5

What is the value of the median for the following set of data: 5, 7, 9, 11, 13?

• 7

• 11

• 9

• 13

What is the mode of the following set of data: 5, 7, 9, 9, 11, 13?

• 9

• 13

• 11

• 7

What is the definition of mode in statistics?

• The value that appears most frequently in a dataset.

• The smallest value in a dataset.

• The average of a dataset.

• The largest value in a dataset.

What type of correlation is shown in this plot?

• Positive

• Negative

• No Correlation

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month.  Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles? 

• 50 min

• 80 min

• 45 min

• 60 min

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 120 pages.

• 12 chapters

• 15 chapters

• 18 chapters

• 21 chapters

How many people have 4 or more pets?

• 8

• 3

• 6

• 4

How many more students wear a size 7 than a size 9?

• 2

• 6

• 3

• 4