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Free WorldatWork C3E Practice Exam with Questions & Answers

Questions 1

If the midpoint is 2,000 and the desired range spread is 50%, what are the min and max values?

Options:
A.

1,500 min; 2,500 max

B.

1,600 min; 2,400 max

C.

1,700 min; 2,300 max

D.

1,750 min; 2,250 max

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Questions 2

Which of the following is true of distribution shapes for nominal data?

Options:
A.

They generally are normal distributions

B.

They are best represented skewed with a tail to the left

C.

Nominal data should be represented via pie charts only

D.

It might be most honest to simply list the categories in alphabetical order.

Questions 3

A survey shows the average pay for senior accounting clerks is 1,570/mth. Your midpoint for senior-accounting clerks is 1,670 and the average actual pay is 1,550. What is your compa-ratio for accounting clerks? What is your market index?

Options:
A.

.928 compa, .987 market

B.

.928 compa, 1.064 market

C.

.987 compa, 1.064 market

D.

.987 compa, 1.013 market

Questions 4

On January 1 of last year, you had 1,000 emps. Dec 31 there was a 20% reduction in the workforce. By July of this year, you then increased your workforce by 20%. Do you now have 1,000 emps again? If not, how many?

Options:
A.

Yes, 1,000

B.

No; 800 emps on 12/31, 960 in July

C.

No; 800 emps on 12/31, 850 in July

D.

Not enough info to compute

Questions 5

If the minimum is 2,000 and the desired range spread is 40%, what is the midpoint?

Options:
A.

2,000

B.

2,300

C.

2,400

D.

2,800

Questions 6

What is the mode for the following set of numbers?

15, 18, 13, 19, 25, 24, 26, 14, 25, 35, 12, 99, 54, 13, 22, 19, 13

Options:
A.

19

B.

26

C.

24

D.

13

Questions 7

Market based pay = Intercept + (slope) x (job worth). You have collected data and have quantified your model as follows: y = 15000 + 50x. The value of 15,000 in the model represents which of the following?

Options:
A.

The slope of the line

B.

The point where the line of best fit crosses the x-axis corresponding to a y-value of zero

C.

The mean for y

D.

The intercept for the line of best fit

Questions 8

Midpoint for grade 14 is 950, and the max is 1,200. Assuming that the structure is symmetric, what is the range spread? (rounded)

Options:
A.

21%

B.

26%

C.

52%

D.

71%

Questions 9

According to the 2-sigma rule, which of the following is true?

Options:
A.

Ninety-five percent of the data points will fall within two standard deviations of the mean.

B.

Only 75% of the data points will fall within two standard deviations

C.

At least 75 percent of the data points will fall within two standard deviations of the mean.

D.

The 2-sigma rule only applies to nominal level data

Questions 10

Which of the following is characteristic of a normal distribution?

Options:
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.