M Mr. Dubey π Coach β 104.48K Points π Business Statistics Q. Standard deviation is always computed from (A) Mean (B) Median (C) Mode (D) geometric mean ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (A) Mean
M Mr. Dubey π Coach β 104.48K Points π 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 ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (C) The mean is zero for one or more sets of data
M Mr. Dubey π Coach β 104.48K Points π Business Statistics Q. For a symmetrical distribution Q1=25, Q3=45, the median is (A) 20 (B) 25 (C) 35 (D) None of these ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (C) 35
M Mr. Dubey π Coach β 104.48K Points π 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 ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (B) Standard deviation
M Mr. Dubey π Coach β 104.48K Points π 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 ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (B) Kurtosis
M Mr. Dubey π Coach β 104.48K Points π 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 ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (B) Symmetrical
M Mr. Dubey π Coach β 104.48K Points π 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 ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (A) Coefficient of Variation
M Mr. Dubey π Coach β 104.48K Points π 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 ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (B) Change of origin
M Mr. Dubey π Coach β 104.48K Points π 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 ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (D) Coefficient of range
M Mr. Dubey π Coach β 104.48K Points π Business Statistics Q. The mean deviation is minimum when deviations are taken from: (A) Mean (B) Median (C) Mode (D) None of these ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (B) Median