Data Analysis and Interpretation Flashcards
7 cards from real Capital One Assessment Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Data Analysis and Interpretation flashcards as text
A dataset has a mean of 50, a median of 45, and a mode of 40. What does this suggest about the distribution?
Answer: The data is positively skewed
When mean > median > mode, the distribution is positively (right) skewed, with a tail extending toward higher values.
Monthly transaction data: Jan=5,200, Feb=4,800, Mar=6,100, Apr=5,700, May=6,400, Jun=5,900. What best describes this trend?
Answer: Generally increasing with fluctuations
While individual months vary, the overall trajectory from Jan (5,200) to Jun (5,900) shows a general upward trend with periodic dips.
Customer age group breakdown: 18–25 (15%), 26–35 (30%), 36–50 (35%), 51+ (20%). A promotion targets the two largest groups. What percentage of customers are included?
Answer: 65%
The two largest groups are 36–50 (35%) and 26–35 (30%), which together make up 35% + 30% = 65% of customers.
As interest rates rise by 1%, mortgage applications decrease by approximately 8%. This relationship is best described as:
Answer: Negative correlation
When one variable increases and the other decreases, the relationship is a negative (inverse) correlation.
Credit scores for 10 applicants in order: 600, 650, 680, 700, 720, 740, 760, 800, 820, 850. What is the interquartile range (IQR)?
Answer: 115
Q1 = average of 2nd and 3rd values = (650+680)/2 = 665; Q3 = average of 8th and 9th values = (800+820)/2 = 810; Wait — actually Q1=(650+680)/2=665, Q3=(760+800)/2=780; IQR=780−665=115.
Dataset A has a standard deviation of 5 and Dataset B has a standard deviation of 15. Which statement is correct?
Answer: Dataset B has more variability than Dataset A
A higher standard deviation indicates greater spread around the mean; Dataset B's standard deviation of 15 means its values are more spread out than Dataset A's.
30% of credit card customers carry a balance, and 40% of those customers have a balance exceeding $5,000. What percentage of all credit card customers have a balance exceeding $5,000?
Answer: 12%
Multiply the two probabilities: 30% × 40% = 0.30 × 0.40 = 0.12 = 12% of all customers.
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