Virtual Job Tryout Data Analysis and Interpretation 3

Question 1

A scatterplot shows a strong negative correlation between employee commute time and job satisfaction. What does this mean?

Accepted Answer

Longer commutes tend to coincide with lower satisfaction

Answer

A negative correlation means as one variable increases, the other tends to decrease, but correlation does not imply causation.

Question 2

Data shows 60 defective units out of 1,500 produced. What is the defect rate?

Accepted Answer

4%

Answer

60 / 1,500 × 100 = 4% defect rate.

Question 3

A line graph shows revenue declining steadily for 6 months. A manager claims this month's slight uptick means the trend has reversed. This reasoning is an example of:

Accepted Answer

Overgeneralizing from a single data point

Answer

One data point is insufficient to declare a trend reversal in a 6-month declining pattern.

Question 4

A pivot table shows total sales by region. The West region shows $340K out of $1.2M total. What percentage does the West represent?

Accepted Answer

28.3%

Answer

$340K / $1,200K × 100 ≈ 28.3%.

Question 5

You review data showing average call handle time increased from 4.2 to 5.1 minutes. By how many seconds did it increase?

Accepted Answer

54 seconds

Answer

0.9 minutes × 60 seconds/minute = 54 seconds.

Virtual Job Tryout Practice Test

Virtual Job Tryout Practice Test

Virtual Job Tryout Data Analysis and Interpretation 3