11th class Statistics chapter 4 online mcq test with answers for ICS part 1 Statistics chapter 4(Measure of Dispersion)

Statistics Ics Part 1 Chapter 4 Online Test

Sr. #	Questions	Answers Choice
1	The positive square root of the mean of the squares of deviations of values from their mean is	Variance Covariance Standard deviation Standard error
2	The mean deviation can never be	Positive Negative Zero None of these
3	The mean of the absolute deviations of observations from mean, median or mode is called	Quartile deviation Absolute deviation Mean Mean deviation
4	The value of quartile deviation is always	Positive Zero Negative None of these
5	The difference between largest and smallest observation is called	Interval Class interval Range Difference
6	Co-efficent of quartile deviation can be calculated by the following formula
7	Co-efficent of standard deviation can be measured by the following formula
8	Pearson's co-efficient of skewness is positive when distribution is	Negatively skewed Positively skewed Symmetrical Leptokurtic
9	β₁ is a quantity	Dimensional Dimension less Positive Negative
10	β is a letter	German Greek Latin Dutch
11	For symmetrical distributions the values of co-efficent of skewness is	Negative Number Positive Number Imaginary Number Pure Number
12	Quartile Co-efficient of skewness is also called as	Median co-efficent of skewness Pearson's 1st co-efficient of skewness Pearson's 2nd co-efficient of skewness None of these