Capital One Assessment Test Data Analysis and Interpretation 2

Question 1

A bank's customer complaints are: billing errors=45, account access=30, transaction disputes=60, other=15. What percentage are transaction disputes?

Accepted Answer

40%

Answer

Total complaints = 150; transaction disputes = 60; 60/150 × 100 = 40%.

Question 2

Q1 sales data: January $85,000, February $92,000, March $78,000. What is the range of the data?

Accepted Answer

$14,000

Answer

Range = highest value − lowest value = $92,000 − $78,000 = $14,000.

Question 3

A scatter plot shows a strong positive correlation between customer income and credit limit. What does this mean?

Accepted Answer

Higher income customers tend to have higher credit limits

Answer

A positive correlation means that as one variable (income) increases, the other variable (credit limit) also tends to increase.

Question 4

A bank's loan default rates over five quarters are: 2.3%, 2.1%, 3.4%, 1.9%, 2.8%. What is the mean default rate?

Accepted Answer

2.5%

Answer

Mean = (2.3+2.1+3.4+1.9+2.8)/5 = 12.5/5 = 2.5%.

Question 5

Customer satisfaction scores increased 15% year-over-year. If last year's score was 72, what is the current score?

Accepted Answer

82.8

Answer

Current score = 72 × 1.15 = 82.8.

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