Cognizant Cognizant Data Analysis and Interpretation

Question 1

A table shows sales data for 4 quarters: Q1=$12,000, Q2=$15,000, Q3=$18,000, Q4=$21,000. What is the average quarterly sales?

Accepted Answer

$16,500

Answer

$15,500

Answer

$16,000

Answer

$17,000

Question 2

In a dataset of 10 values, if the median is 45 and the mean is 50, what does this indicate about the distribution?

Accepted Answer

It is positively skewed

Answer

It is symmetric

Answer

It is negatively skewed

Answer

It is bimodal

Question 3

A pie chart shows Department A has 36% of employees, Department B has 24%, Department C has 28%, and Department D has the rest. If total employees = 500, how many are in Department D?

Accepted Answer

60

Answer

50

Answer

70

Answer

80

Question 4

A bar graph shows product returns: Jan=40, Feb=55, Mar=35, Apr=70. What is the percentage increase from Mar to Apr?

Accepted Answer

100%

Answer

50%

Answer

75%

Answer

200%

Question 5

Which measure of central tendency is most affected by extreme outlier values in a dataset?

Accepted Answer

Mean

Answer

Mode

Answer

Median

Answer

Range

Question 6

A line graph shows website traffic: Mon=200, Tue=250, Wed=300, Thu=275, Fri=325. What is the overall trend?

Accepted Answer

Increasing with a mid-week dip

Answer

Decreasing

Answer

Constant

Answer

No pattern