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Question for Practice Questions: Statistics
Try yourself:If the mean of five observations x, x + 2, x + 4, x + 6 and x + 8 is 11, then the value of x is
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Question for Practice Questions: Statistics
Try yourself:If the mean of x, x + 3, x + 5, x + 7, x + 10 is 9, the mean of the last three observations is
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Question for Practice Questions: Statistics
Try yourself:If x is the mean of x1, x2, x3, . . . , xn, then Practice Questions: Statistics | CSAT Preparation - UPSC
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Question for Practice Questions: Statistics
Try yourself:If each observation of the data is increased by 8, then their mean
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Question for Practice Questions: Statistics
Try yourself:The mean weight of six boys in a groups is 48 kg. The individual weights of five of them are 51 kg, 45 kg, 49 kg, 46 kg and 44 kg. The weight of the 6th boy is52 k g
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Question for Practice Questions: Statistics
Try yourself:The mean of the marks scored by 50 students was found to be 39. Latter on it was discovered that a core of 43 was misread as 23. The correct mean is
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Question for Practice Questions: Statistics
Try yourself:The mean of 100 items was found to be 64. Later on it was discovered that two items were misread as 26 and 9 instead of 36 and 90 respectively. The correct mean is
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Question for Practice Questions: Statistics
Try yourself:The mean of 100 observations is 50. If one of the observations 50 is replaced by 150, the resulting mean will be
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Question for Practice Questions: Statistics
Try yourself:Let x
be the mean of x1, x2, . . . , xn
and y
be the mean of y1, y2, . . . , yn.
If z is the mean of x1, x2, . . . , xn, y1, y2, . . . , yn,
then z = ?
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Question for Practice Questions: Statistics
Try yourself:If x is the mean of x1, x2, . . . , xn,
then for a ≠ 0, the mean of ax1, ax2, ..., axn, x1/a, x2/a, . . . , xn/a,
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Question for Practice Questions: Statistics
Try yourself:If x1, x2, . . . , xn are the means of n groups with n1, n2, . . . , nn number of observations respectively , then the mean x of all the groups taken together is
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Question for Practice Questions: Statistics
Try yourself:The mean of the following data is 8.
Practice Questions: Statistics | CSAT Preparation - UPSC
The value of p is
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Question for Practice Questions: Statistics
Try yourself:The runs scored by 11 members of a cricket team are
15, 34, 56, 27, 43, 29, 31, 13, 50, 20, 0
The median score is
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Question for Practice Questions: Statistics
Try yourself:The weight of 10 students in kgs are
55, 40, 35, 52, 60, 38, 36, 45, 31,44
The median weight is
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Question for Practice Questions: Statistics
Try yourself:The median of the numbers 4, 4, 5, 7, 6, 7, 7, 12, 3 is
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Question for Practice Questions: Statistics
Try yourself:The median of the numbers 84, 78, 54, 56, 68, 22, 34, 45, 39, 54 is
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Question for Practice Questions: Statistics
Try yourself:Mode of the data 15, 17, 15, 19, 14, 18, 15, 14, 16, 15, 14, 20, 19, 14, 15 is
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Question for Practice Questions: Statistics
Try yourself:The median of the data arranged in ascending order 8, 9, 12, 18, (x + 2), (x + 4), 30, 31,34, 39 is 24. The value of x is
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