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Statistics

Multiple Choice Questions

131.

Range of the following data is:

55. 36, 95, 73, 60, 42, 25, 78, 75, 62

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132. Facts or information collected with a definite purpose are called:

median
mode
data
data

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133. The class marks of a frequency distribution are 15, 20, 25,.... The class corresponding to class mark 25 is:

17.5–22.5
20–30
22.5–27.5
22.5–27.5

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134. Median of 78, 56, 22, 34, 45, 54, 39, 84, 54 is:
45
54

49.5

49.5

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135. Following observations have been written in ascending order. If median of the data is 22, then value of x will be:
11,12, 14, 16, 18, x + 2, x + 4, 30, 32, 35, 41

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136. The mean of x + 1, x + 3, x + 4, x + 8 is:

x + 1
x + 3
x + 4
x + 4

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137. If the mode of 4, 9, 5, 4, 9, 5, 4, 9 and x – 10 is 9, then the value of x is:

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138. If the mean of 6, 10, x and 12 is 8, then the value of x is:

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139. If the mean of the data 2, x + 1, 9, x – 2 is 4, then the value of jc is:

125 Views

140. The range of the data
25, 10, 20, 22, 16, 6, 17, 12, 30, 32, 10, 19, 8, 11, 20 is: