MATH 540: Statistical Mathematics (10 questions) due in 5 hours #1 What describes the arithmetic average of a data set. #2 If the sum of 25 values equals 428, then the mean equals17.120.058 (round

MATH 540: Statistical Mathematics (10 questions) due in 5 hours

#1  What describes the arithmetic average of a data set.

#2  If the sum of 25 values equals 428, then the mean equals

17.12

0.058 (rounded to 3 decimal points)

403.

453.

#3  Consider the following sample data set: 34, 41, 23, 22, 23, 42, 24, 24, 69, 36. What is the standard deviation?

0

13.8 (rounded to one decimal point)

14.6 (rounded to one decimal point)

It does not exist

#4  Using the following table, what is the empirical probability of selecting an employee in either grades C, D, E, or F or a Female from this group?

Gender/grade level

Females  A (12)  B (4)  C (2)  D (3)  E (2)  F (2)  Total 25

Males  A(3)  B (3)  C (3)  D (2)  E (10)  F (4)  Total 25

Total  A (15)  B (7)  C (5)  D (5)  E (12)  F (6)

6/50

53/50

44/50

Cannot be determined from this information.

#5  An employee’s salary is an example of which type of data?

#6  Consider the following sample data set: 34, 41, 23, 22, 23, 42, 24, 24, 69, 36. What is the range?

0

2

47

It does not exist

#7  What describes the variation within a data set by showing the width of the data, or the difference between the highest and lowest values.

Mean

Median

Standard Deviation

Range

#8  A(n) _______ probability is the result of actual counts of desired outcome divided by the total number of attempts.

Empirical

Joint

Conditional

Either/or

#9  Using the following table, what is the empirical probability of selecting a Female employee from this group?

Gender/grade level

Females  A (12)  B (4)  C (2)  D (3)  E (2)  F (2)  Total 25

Males  A(3)  B (3)  C (3)  D (2)  E (10)  F (4)  Total 25

Total  A (15)  B (7)  C (5)  D (5)  E (12)  F (6)

25/50 or .50

1/50 or .02

1/25 or .04

Cannot be determined from this information.

#10  Which value is not included in the 5-number summary of a data set?

Minimum value

First Quartile value

Mean

Median

Third Quartile value

Maximum value