Q. Find the mean of x + 77, x + 7, x + 5, x + 3 and x – 2?
✅ Correct Answer: (B)
x + 18
Business Statistics MCQs and Notes
Q. What is the median of the data 78, 56, 22, 34, 45, 54, 39, 68, 54, 84?
✅ Correct Answer: (A)
54
Q. Branches of statistics includes
✅ Correct Answer: (D)
both a and b
Q. In statistics out of 100, marks of 21 students in final exams are as 90, 95, 95, 94, 90, 85, 84, 83, 85, 81, 92, 93, 82, 78, 79, 81, 80, 82, 85, 76, 85 then mode of data is
✅ Correct Answer: (A)
85
Q. Since the mode is the most frequently occurring data value, it
✅ Correct Answer: (C)
is always larger than the mean
Q. In a five number summary, which of the following is not used for data summarization?
✅ Correct Answer: (D)
the 25th percentile
Q. The mean of a sample is
✅ Correct Answer: (D)
computed by summing all the data values and dividing the sum by the number of items
Q. A numerical value used as a summary measure for a sample, such as sample mean, is known as a
✅ Correct Answer: (C)
sample statistic
Q. A time series consists of:
✅ Correct Answer: (D)
All of the above
Q. In a straight line equation Y = a + bX; a and b are respectively:
✅ Correct Answer: (B)
Y intercept and slope