Data Interpretation
Aptitude · Reasoning · English · CS — Corporate & Campus Interview Prep
Showing 21–30 of 30 questions
Q.21
Easy
If all values increase by 10, what happens to mean?
Correct Answer:
B. Increases by 10
Explanation:
Mean shifts by same constant.
Q.22
Medium
Coefficient of Variation = ?
Correct Answer:
A. SD/Mean
Explanation:
CV=SD/Mean×100%.
Q.23
Easy
Pie chart: A=35%,B=25%,C=20%,D=15%,E=5%. Total=200. How many in C?
Correct Answer:
B. 40
Explanation:
20% of 200=40.
Q.24
Hard
CAGR from 100 to 196 in 2 years?
Correct Answer:
B. 40%
Explanation:
(196/100)^0.5-1=0.4=40%.
Q.25
Medium
Bar chart: 2020=100, 2021=120, 2022=144. Growth rate per year?
Correct Answer:
B. 20%
Explanation:
120/100=20% each year.
Q.26
Easy
Relative frequency: class=15, total=100?
Correct Answer:
B. 15%
Explanation:
15/100=15%.
Q.27
Medium
If B market share increases from 35% to 40%, total?
Correct Answer:
B. Others must decrease
Explanation:
Total always 100%, others decrease.
Q.28
Medium
Variance is square of?
Correct Answer:
C. Standard Deviation
Explanation:
SD²=Variance.
Q.29
Easy
Histogram shows frequencies. Y-axis represents?
Correct Answer:
B. Frequency
Explanation:
Y-axis in histogram = frequency.
Q.30
Hard
Scatter plot with r=-0.9 shows?
Correct Answer:
D. Strong negative correlation
Explanation:
r=-0.9 = strong negative correlation.