Question 1

What is the median of the following data?

7, 17, 3, 19, 13, 9, 7

Options :

A : 7

B : 9

C : 13

D : 11

Answer: B

Question 2

In positively skewed distributions, the mean is usually which of the following?

Options :

A : Larger than the median

B : Between the median and the mode

C : Smaller than the median

D : Equal to the median

Answer: A

Question 3

What type of regression model does the following equation suggest? y = a + b1x1

Options :

A : Multiple factor regression

B : Nonlinear regression

C : Bivariate regression

D : Curvilinear regression

Answer: C

Question 4

In order to satisfy ordinal level data requirements, you must be able to do which of the following?

Options :

A : Have a true zero

B : Have a constant interval from point to point

C : Be able to meaningfully arrange the data in rank order

D : Be able to establish ratios

Answer: C

Question 5

You have been asked to comment on a proposed provision in the union contract. over the next 3 years, management proposes increases of 2%, 2.5%, 3% over the 3 year life of the contract. The union negotiator insists that it be 3%, 2.5%, 2.0%. Assuming the hourly rate for a job class is 12.50/hr., what is the rate in three years?

Options :

A : It will be 13.46 after three years

B : Management rate is higher

C : Union rate is higher

D : Cannot calculate

Answer: A