3.5.4 test.pdf - 3.5.4Test (TST):Measures of Center and...

3.5.4Test (TST):Measures of Center and Spread Test
Probability and Statistics
Points Possible: 50
Name: Chakylin Ruehling Date: 10/14/2019
Answer the following questions using what you've learned from this unit. Write your answers in
the space provided. Be sure to show all work.
MEASURES OF CENTER AND SPREAD
1. A biologist is on an island studying a specific lizard species. She measured the lengths, in
inches, of 10 lizards and listed them below:
7.1, 9.4, 10.0, 10.7, 12.0,12.2, 12.3, 14.4, , 15.0,16.5,
Part A:
What is the mean of the numbers in the list? What is the median of the numbers in the list? (3
points)
Part B:
What is the range of the numbers in the list? What is the standard deviation of the numbers in
the list? (Round your answers to the nearest tenth.) (3 points)