Statistic Unit Test Part 1

Ms. Hutchinson randomly weighed the backpacks of 17 students in her math classes. Use the data below to answer the questions.

Weight of Backpacks (lb)

12.5 9.1 9.6 12.2 9.2 14.3 12.9

10.0 10.3 11.8 15.3 11.6 8.2 9.9

8.2 13.4 25.6

What is the minimum weight?

Ms. Hutchinson randomly weighed the backpacks of 17 students in her math classes. Use the data below to answer the questions.

Weight of Backpacks (lb)

12.5 9.1 9.6 12.2 9.2 14.3 12.9

10.0 10.3 11.8 15.3 11.6 8.2 9.9

8.2 13.4 25.6

What is the maximum weight?

Ms. Hutchinson randomly weighed the backpacks of 17 students in her math classes. Use the data below to answer the questions.

Weight of Backpacks (lb)

12.5 9.1 9.6 12.2 9.2 14.3 12.9

10.0 10.3 11.8 15.3 11.6 8.2 9.9

8.2 13.4 25.6

What is the range of the weights?

Ms. Hutchinson randomly weighed the backpacks of 17 students in her math classes. Use the data below to answer the questions.

Weight of Backpacks (lb)

12.5 9.1 9.6 12.2 9.2 14.3 12.9

10.0 10.3 11.8 15.3 11.6 8.2 9.9

8.2 13.4 25.6

What is the median weight?

Ms. Hutchinson randomly weighed the backpacks of 17 students in her math classes. Use the data below to answer the questions.

Weight of Backpacks (lb)

12.5 9.1 9.6 12.2 9.2 14.3 12.9

10.0 10.3 11.8 15.3 11.6 8.2 9.9

8.2 13.4 25.6

What is the mean weight?

(The answer should be rounded to the nearest tenth)

Ms. Hutchinson randomly weighed the backpacks of 17 students in her math classes. Use the data below to answer the questions.

Weight of Backpacks (lb)

12.5 9.1 9.6 12.2 9.2 14.3 12.9

10.0 10.3 11.8 15.3 11.6 8.2 9.9

8.2 13.4 25.6

What is the mode weight?

Ms. Hutchinson randomly weighed the backpacks of 17 students in her math classes. Use the data below to answer the questions.

Weight of Backpacks (lb)

12.5 9.1 9.6 12.2 9.2 14.3 12.9

10.0 10.3 11.8 15.3 11.6 8.2 9.9

8.2 13.4 25.6

What is the Q1 weight?

Ms. Hutchinson randomly weighed the backpacks of 17 students in her math classes. Use the data below to answer the questions.

Weight of Backpacks (lb)

12.5 9.1 9.6 12.2 9.2 14.3 12.9

10.0 10.3 11.8 15.3 11.6 8.2 9.9

8.2 13.4 25.6

What is the Q3 weight?

Ms. Hutchinson randomly weighed the backpacks of 17 students in her math classes. Use the data below to answer the questions.

Weight of Backpacks (lb)

12.5 9.1 9.6 12.2 9.2 14.3 12.9

10.0 10.3 11.8 15.3 11.6 8.2 9.9

8.2 13.4 25.6

What is the Interquartile Range (IQR) value?

Ms. Hutchinson randomly weighed the backpacks of 17 students in her math classes. Use the data below to answer the questions.

Weight of Backpacks (lb)

12.5 9.1 9.6 12.2 9.2 14.3 12.9

10.0 10.3 11.8 15.3 11.6 8.2 9.9

8.2 13.4 25.6

Which value is the outlier weight?