10th class Mathematics chapter 6 online mcq test with answers for matric part 2 Mathematics Unit 6(Basic Statistics)

Mathematics 10th Class English Medium Unit 6 Online Test

Sr. #	Questions	Answers Choice
1	The positive square root of mean of the squared deviations of x_i(i=1, 2---------------------,n) observations from their arithmetic mean is called:	Harmonic mean Range Standard deviation
2	The mean of the squared deviations of x_i (i = 1, 2, -----------------,n) observations form their arithmetic mean is called:	Variance Standard deviation Range
3	The extent of variation between two extreme observations of a data set is measured by:	Average Range Quartiles
4	The measures that are used to determine the degree or extent of variation in a data set are called measures of:	Dispersion Central tendency Average
5	The spread or scatterness of observations in a data set is called:	Average Dispersion Central tendency
6	The observations that divide a data set into four equal parts are called:	Deciles Quartlies Percentiles
7	The measure which determines the middle-most observation in a data set is called:	Median Mode Mean
8	The most frequent occurring observation in a data set is called:	Mode Median Harmonic mean
9	The n^th positive root of the product of the x₁,x₂,x₃..................x_n observations is called:	Mode Mean Geometric mean
10	Sum of the deviations of the variable "X" from its mean is always:	Zero One Same
11	Mean is affected by change in;	Place Scale Rate
12	Mean is affected by change in:	Value Ratio Origin
13	Mean of a variable with similar observations any constant k is:	Negative k itself Zero
14	A data in the form of frequency distribution is called:	Grouped data Ungrouped data Histogram
15	A Deviation is defined as a difference of any value of the variable from a:	Constant Histogram Sum

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