Free WorldatWork C3 Practice Exam Questions and Answers 2026

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Total 55 Questions | Updated On: Apr 03, 2026

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Question 1

What is the median of the following data?7, 17, 3, 19, 13, 9, 7

A : 7

B : 9

C : 13

D : 11

Answer: B

Question 2

Which of the following is a characteristic of a standard deviation?

A : The standard deviation is based on the middle portion of the data.

B : The standard deviation reflects the variation of values between two points.

C : The standard deviation uses all the data points from the data set in its calculation

D : At least 95% of the points in a data set will always be within +-2 standard deviations from the mean.

Answer: C

Question 3

If you earn 50,000 per year and your co-worker in the same job earns 60,000, what percent adjustment do you need to equal your co-worker?

A : 18%

B : 20%

C : 10%

D : 80%

Answer: B

Question 4

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

A : Multiple factor regression

B : Nonlinear regression

C : Bivariate regression

D : Curvilinear regression

Answer: C

Question 5

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?

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

Answer: B

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Total 55 Questions | Updated On: Apr 03, 2026

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