Virtual Job Tryout Data Analysis and Interpretation 5

Question 1

A trend analysis shows revenue growing at roughly 5% per quarter. If current revenue is $200K, what is the best estimate for next quarter?

Accepted Answer

$210,000

Answer

$200K × 1.05 = $210,000.

Question 2

A quality control chart shows a data point outside the control limits. This most likely indicates:

Accepted Answer

A special cause variation requiring investigation

Answer

Points outside control limits signal special cause variation, not routine randomness.

Question 3

A dataset has 200 survey responses. 35 are missing values for the 'age' field. What percentage of age data is missing?

Accepted Answer

17.5%

Answer

35 / 200 × 100 = 17.5% missing.

Question 4

Two products have the same average rating (4.2 stars), but Product A has a standard deviation of 0.3 and Product B has 1.8. What does this tell you?

Accepted Answer

Product B has more inconsistent customer experiences

Answer

A higher standard deviation means ratings are more spread out, indicating inconsistent customer experiences for Product B.

Question 5

A manager wants to compare regional performance but each region has a different headcount. Which metric is most appropriate?

Accepted Answer

Revenue per employee

Answer

Revenue per employee normalizes for headcount differences, enabling fair comparison across regions.

Virtual Job Tryout Practice Test