Revelian Test Data Interpretation Skills 5

Question 1

A line graph shows website traffic: Mon=1,200, Tue=1,450, Wed=1,300, Thu=1,600, Fri=1,500. What day had the greatest single-day increase over the previous day?

Accepted Answer

Tuesday

Answer

Tuesday increased by 250 (from 1,200 to 1,450), the largest single-day jump.

Question 2

A table shows that 600 of 2,400 survey respondents prefer Product X. What percentage prefer Product X?

Accepted Answer

25%

Answer

600/2,400 × 100 = 25%.

Question 3

A double bar chart compares male and female sales representatives' quarterly totals. In Q3, male reps sold 320 units and female reps sold 400 units. What fraction of total Q3 sales did female reps represent?

Accepted Answer

5/9

Answer

Total = 720; female share = 400/720 = 5/9.

Question 4

A scatter plot shows no clear pattern between hours of sleep and work performance scores. What type of correlation does this suggest?

Accepted Answer

No correlation

Answer

A random scatter with no discernible pattern indicates no linear correlation between the variables.

Question 5

A table shows cost per unit at different production volumes: 100 units=$15, 500 units=$12, 1,000 units=$10, 5,000 units=$8. This pattern illustrates which concept?

Accepted Answer

Economies of scale

Answer

Unit costs declining as production volume increases is the definition of economies of scale.

Revelian Test Practice Test

Revelian Test Practice Test

Revelian Test Data Interpretation Skills 5