QUESTION 1

Use the following data set to answer questions 14, 12, 12, 16, 10,16, 10, 12, 14, 12, 12, 16, 16, 10, 12, 16 When inputting your answer type the number, so if the answer is 8, type '8', not 'eight'.

What is the mean rounded to thenearest tenth?

QUESTION 2

Use the following data set to answer questions 14, 12, 12, 16, 10,16, 10, 12, 14, 12, 12, 16, 16, 10, 12, 16 When inputting your answer type the number, so if the answer is 8, type '8', not 'eight'.

What is the mode?

QUESTION 3

Use the following data set to answer questions 14, 12, 12, 16, 10,16, 10, 12, 14, 12, 12, 16, 16, 10, 12, 16 When inputting your answer type the number, so if the answer is 8, type '8', not 'eight'.

What is the median?

QUESTION 4

Use the following data set to answer questions 14, 12, 12, 16, 10,16, 10, 12, 14, 12, 12, 16, 16, 10, 12, 16 When inputting your answer type the number, so if the answer is 8, type '8', not 'eight'.

What is the range of the data?

QUESTION 5

Find the range of the following data:

72, 89, 41, 89, 73, 72, 91

QUESTION 6

What is the interquartile range of the following data set? {5, 7, 8, 4, 5, 6, 3, 8, 2, 1, 0, 6, 8, 9, 4, 0}

QUESTION 7

Beth's scores on the six Earth science tests she took this semester are:

100, 95, 55, 85, 75, 100

For this population, how many scores are within one standard deviation of the mean?

QUESTION 8

The scores of one class on the Unit 2 mathematics test are shown in the accompanying diagram. Find the population standard deviation of these scores, to thenearest tenth.

Unit 2 Mathematics Test
Test Score	Frequency
96	1
92	2
84	5
80	3
76	6
72	3
68	2

QUESTION 9

The mid-September statewide average gas prices, in dollars per gallon (y), for the year since 2000 (x), are given in the table below.

\fYear Since 2000 Price Per Gallon 1.345 2 1.408 1.537 4 1.58QUESTION 12 4 points The table below shows the results of an experiment involving the growth of bacteria. Time (x) (in minutes) 3 5 7 9 11 Number of Bacteria (y) 2 25 81 175 310 497 a) Write a power regression equation for this set of data, rounding all values to three deovel place. Use the math equation editor , x to enter your equation. D) Using this equation, predict the bacteria's growth, to the nearest integer, after 15 minutes. Please indicate your answer using V =