Q. The mean of 10 observations is 10. All the observations are increased by 10%. The mean of increased observations will be:
✅ Correct Answer: (C)
11
Business Statistics MCQs and Notes
Q. The sum of the squares of the deviations of the variable is when taken about arithmetic mean
✅ Correct Answer: (B)
Zero
Q. According to percentiles, the median to be measured must lie in
✅ Correct Answer: (B)
50th
Q. One of the following methods of calculating mode is:
✅ Correct Answer: (A)
Mode = 3 Median – 2 Mean
Q. If in a discrete series 75% values are less than 30, then:
✅ Correct Answer: (C)
Q3 = 30
Q. What is the modal value for the numbers 4, 3, 8, 15, 4, 3, 6, 3, 15, 3, 4.
✅ Correct Answer: (A)
3
Q. The cumulative frequency for a particular class is equal to 35. The cumulative frequency for the next class will be .
✅ Correct Answer: (B)
35 minus the next class frequency.
Q. A furniture retail chain operates several stores across the country. A table is to be constructed to showing the number of employees in each region, organized into groups. Which of the following sets of categories would NOT be suitable for use in such a table?
✅ Correct Answer: (C)
0-10, 10-20
Q. Which partition value divides the series into two equal parts.
✅ Correct Answer: (C)
P50
Q. A data set may have no mode, one mode, or multiple modes.
✅ Correct Answer: (A)
True