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1. STATISTICAL CONCEPTS AND THEIR
APPLICATIONS IN BUSINESS
INTRODUCTION TO ANALYTICS
Part 12

2. Which is used to calculate the “central” value of numbers?
11
a. Median
b. Mode
c. Mean
d. Standard deviation

3. Which is used to calculate the “central” value of numbers?
11
a. Median
b. Mode
c. Mean
d. Standard deviation
Answer:c.
Explanation: Mean is used to calculate the central value or average of an given value of
numbers.

4. Which is used to find the highest frequency in a given value of numbers?
12
a. Median
b. Mode
c. Mean
d. Standard deviation

5. a. Sample
b. Measure of central tendency
c. Measures of dispersion
d. Hypothesis testing
Answer:d.
Explanation: Hypothesis testing is not a part of descriptive statistics, it is a part of inferential
statistics.
Which is not a part of descriptive statistics?
10

6. Which is used to find the highest frequency in a given value of number?
12
a. Median
b. Mode
c. Mean
d. Standard deviation
Answer:b.
Explanation: Mode is used to calculate the highest frequency which is being occurred in a
given value of numbers.

7. Which is used to measure the dispersion in a given set of numbers?
13
a. Median
b. Mode
c. Mean
d. Standard deviation

8. a. Median
b. Mode
c. Mean
d. Standard deviation
Answer:d.
Explanation: Standard deviation is used to measure the dispersion in a given set of numbers.
Which is used to measure the dispersion in a given set of numbers?
13

9. What is the logical conclusion if p value is less than 0.05?
a. Accept null hypothesis
b. Reject null hypothesis
c. Reject alternate hypothesis
d. None of the above
14

10. a. Accept null hypothesis
b. Reject null hypothesis
c. Reject alternate hypothesis
d. None of the above
Answer:b.
Explanation: if the p value is less than 0.05, i.e., p<0.05, we reject the true null hypothesis.
14
What is the logical conclusion if p value is less than 0.05?

11. Which is used to measure the peakedness of distribution?
a. Skewness
b. Outlier
c. Kurtosis
d. Variance
15

12. Which is used to measure the peakedness of distribution?
15
a. Skewness
b. Outlier
c. Kurtosis
d. Variance
Answer:c.
Explanation: Kurtosis is mainly used to measure the peakedness of an distribution of a
particular data set .

13. Which is the measure of deviation from symmetry?
a. Skewness
b. Outlier
c. Kurtosis
d. Variance
16

14. Which is the measure of deviation from symmetry?
16
a. Skewness
b. Outlier
c. Kurtosis
d. Variance
Answer:a.
Explanation: Skewness is the measure of deviation from symmetry and this maybe left
skewed or right skewed.

15. Thank You
Beamsync is providing business analytics training in Bangalore. If you are
looking for upcoming training schedules then visit:
http://beamsync.com/business-analytics-training-bangalore/