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