πŸ“Š Business Statistics
Q. Standard deviation is always computed from
  • (A) Mean
  • (B) Median
  • (C) Mode
  • (D) geometric mean
πŸ’¬ Discuss
βœ… Correct Answer: (A) Mean
πŸ“Š Business Statistics
Q. The coefficient of variation cannot be meaningfully used to compare the variability of two or more sets of data, when
  • (A) The standard deviation is zero for one or more sets of data
  • (B) The standard deviation is 1 for one or more sets of data
  • (C) The mean is zero for one or more sets of data
  • (D) The mean is 1 for one or more sets of data
πŸ’¬ Discuss
βœ… Correct Answer: (C) The mean is zero for one or more sets of data
πŸ“Š Business Statistics
Q. For a symmetrical distribution Q1=25, Q3=45, the median is
  • (A) 20
  • (B) 25
  • (C) 35
  • (D) None of these
πŸ’¬ Discuss
βœ… Correct Answer: (C) 35
πŸ“Š Business Statistics
Q. Following are the Relative measures of dispersion except
  • (A) Co-efficient of Mean deviation
  • (B) Standard deviation
  • (C) Co-efficient of Range
  • (D) Co-efficient of Quartile deviation
πŸ’¬ Discuss
βœ… Correct Answer: (B) Standard deviation
πŸ“Š Business Statistics
Q. The degree of peaked ness or flatness of a unimodal distribution is called:
  • (A) Skewness
  • (B) Kurtosis
  • (C) Dispersion
  • (D) Normal distribution
πŸ’¬ Discuss
βœ… Correct Answer: (B) Kurtosis
πŸ“Š Business Statistics
Q. If the values of mean, median and mode coincide in a unimodal distribution, then the distribution will be:
  • (A) Positively Skewed
  • (B) Symmetrical
  • (C) Negatively Skewed
  • (D) None of these
πŸ’¬ Discuss
βœ… Correct Answer: (B) Symmetrical
πŸ“Š Business Statistics
Q. In order to compare two series we can use
  • (A) Coefficient of Variation
  • (B) Standard deviation
  • (C) Coefficient of Skewness
  • (D) Coefficient of kurtosis
πŸ’¬ Discuss
βœ… Correct Answer: (A) Coefficient of Variation
πŸ“Š Business Statistics
Q. The standard deviation is independent of:
  • (A) Change of scale
  • (B) Change of origin
  • (C) Change of origin and scale
  • (D) None of these
πŸ’¬ Discuss
βœ… Correct Answer: (B) Change of origin
πŸ“Š Business Statistics
Q. Which of the following is a unit free measure of dispersion:
  • (A) Range
  • (B) Standard deviation
  • (C) Interquartile range
  • (D) Coefficient of range
πŸ’¬ Discuss
βœ… Correct Answer: (D) Coefficient of range
πŸ“Š Business Statistics
Q. The mean deviation is minimum when deviations are taken from:
  • (A) Mean
  • (B) Median
  • (C) Mode
  • (D) None of these
πŸ’¬ Discuss
βœ… Correct Answer: (B) Median