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Which of the following is characteristic of a normal distribution?

A.

It represents a perfect distribution of data

B.

It generally is skewed with a tail to the right

C.

It is best used to force a desired outcome.

D.

It approximates the distribution of naturally occurring phenomena.

The average seniority for your company is 16 years, and the standard deviation for seniority is one year. You have been with the co for 19 yrs, and your sister for 13 years. Which of the following is not necessarily true?

A.

Your "years of seniority" value is three standard deviations above the average emp in your company.

B.

Your sister has a z-score of -3.00 in regards to her seniority with the company.

C.

The seniority for at least 88.9% of the emps in this company will fall between your sister's seniority and yours.

D.

You are the most senior employee in your company.

You have obtained a set of market data that show you senior MIS manager has a market average of 72,000. If you have a 50% range spread, what would the new minimum and maximum be if the new midpoint is 72,000?

A.

54,000; 90,000

B.

57,600; 86,400

C.

60,000; 84,000

D.

They cannot be determined from the data given

You have been given the task of examining the effect of a pay-for-performance project on employee productivity. You have obtained a productivity rating score for all program participants. Which of the following best describes your data?

A.

The data represents a sample

B.

The data represent a population

C.

Productivity rating scores only produce nominal data

D.

Productivity rating scores always produce ratio data.

For the same problem set, the market appears to be paying entry-level buyers 42,500. Approx how many job evaluation points should your entry-level buyer position be worth to your org, assuming the regression model provides a good fit, based solely on the linear model of y = 15000 + 50x?

A.

50

B.

15000

C.

500

D.

550

Which of the following should be used to determine the amount of interest earned on money over a specified period of time?

A.

Percent difference

B.

Percent adjustment

C.

Compound interest

D.

Compa-ratio