Question 1

Find the mean for the given sample data.
-Jeremy's car got 304 miles (highway) on 8 gallons of gasoline. What was the average number of miles per gallon?

Accepted Answer

A)  39 mpg 
B)  38 mpg 
C)  40 mpg 
D)  37 mpg 
A)  39 mpg 
B)  38 mpg 
C)  40 mpg 
D)  37 mpg

Question 2

Obtain the population standard deviation,σ, for the given data. Assume that the data represent population data. Round
your final answer to one more decimal place than that used for the observations.
-The weekly salaries (in dollars) of seven government workers are listed below 
688 744 683 550 502 545 810

Accepted Answer

A)  115.3 
B)  11,397.2 
C)  919.8 
D)  106.8 
A)  115.3 
B)  11,397.2 
C)  919.8 
D)  106.8

Question 3

Obtain the population standard deviation,σ, for the given data. Assume that the data represent population data. Round
your final answer to one more decimal place than that used for the observations.
-The number of years of teaching experience is given below for 12 high-school teachers. 
4 16 10 6 12 19
17 8 5 13 22 31

Accepted Answer

A)  7.6 
B)  57.6 
C)  8.9 
D)  7.9 
A)  7.6 
B)  57.6 
C)  8.9 
D)  7.9

Question 4

Find the z-score(s) bounding the region in a Normal distribution.
-The top 10%

Accepted Answer

A)  0.28 
B)  2.81 
C)  1.28 
D)  1.52 
A)  0.28 
B)  2.81 
C)  1.28 
D)  1.52

Question 5

Solve the problem.
-The probability that a radish seed will germinate is 0.7. A gardener plants seeds in batches of 18. Find the standard deviation for the number of seeds germinating in each batch.

Accepted Answer

A)  1.9 
B)  37.8 
C)  3.8 
D)  14.3 
A)  1.9 
B)  37.8 
C)  3.8 
D)  14.3

Question 6

Find the median for the given sample data.
-In ten trips to Las Vegas, a person had the following net gains:  
Find the median net gain.

Accepted Answer

A)  $4600.00 
B)  $4498.30 
C)  $4438 
D)  $4998.61 
A)  $4600.00 
B)  $4498.30 
C)  $4438 
D)  $4998.61

Question 7

Find the mean for the given sample data.
-17, 14, 16, 17, 18

Accepted Answer

A)  17 
B)  20.5 
C)  15 
D)  16.4 
A)  17 
B)  20.5 
C)  15 
D)  16.4

Find the mean for the given sample data. -Jeremy's car got 304 miles (highway) on 8 gallons of gasoline. What was the average number of miles per gallon?

Find the z-score(s) bounding the region in a Normal distribution. -The top 10%

Solve the problem. -The probability that a radish seed will germinate is 0.7. A gardener plants seeds in batches of 18. Find the standard deviation for the number of seeds germinating in each batch.

Find the median for the given sample data. -In ten trips to Las Vegas, a person had the following net gains: Find the median net gain.

Find the mean for the given sample data. -17, 14, 16, 17, 18

Functions and Graphs

Polynomial, Power, and Rational Functions

Exponential, Logistic, and Logarithmic Functions

Trigonometric Functions

Analytic Trigonometry

Applications of Trigonometry

Systems and Matrices

Analytic Geometry in Two and Three Dimensions

Discrete Mathematics

An Introduction to Calculus: Limits, Derivatives, and Integrals

Prerequisites

Filters

Exam 10: Statistics and Probability