Mettl Data Interpretation Skills 2

Question 1

A bar chart shows monthly sales: Jan=$40K, Feb=$55K, Mar=$35K, Apr=$60K. What is the average monthly sales over these four months?

Accepted Answer

$47,500

Answer

Average = (40+55+35+60)/4 = 190/4 = $47,500.

Question 2

A pie chart shows market share: Company A=45%, B=30%, C=15%, D=10%. If total market revenue is $2M, how much did Company B earn?

Accepted Answer

$600,000

Answer

Company B's revenue = 30% × $2,000,000 = $600,000.

Question 3

A line graph shows a company's profit trend: 2020=$10M, 2021=$12M, 2022=$9M, 2023=$15M. Which year had the steepest year-over-year increase?

Accepted Answer

2022 to 2023

Answer

2022 to 2023 saw a $6M increase, the largest single-year jump in the data.

Question 4

A table shows product defects per 1,000 units: Line A=8, Line B=5, Line C=12, Line D=3. What percentage of total defects come from Line C?

Accepted Answer

37.5%

Answer

Total defects = 8+5+12+3 = 28; Line C share = 12/28 = 42.9%.

Question 5

A scatter plot shows a strong positive correlation between advertising spend and sales. Which conclusion is most valid?

Accepted Answer

Advertising spend and sales tend to increase together

Answer

A positive correlation means the two variables tend to move in the same direction, but correlation does not imply causation.

Mettl Practice Test