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CBSE Notes 2011-2012 » X-Maths-Term1

Statistics

The median of set of 9 distinct observations is 20.5. If each of the largest 4 observations of the s...

Multiple choice question

The median of set of 9 distinct observations is 20.5. If each of the largest 4 observations of the set is increased by 2, then the median of the new set

The A.M. of a set of 50 numbers is 38. If two numbers of the set namely 55 and 45 are discarded, the...

Multiple choice question

The A.M. of a set of 50 numbers is 38. If two numbers of the set namely 55 and 45 are discarded, the A.M. of the remaining set of numbers is

While computing mean of grouped data, we assume that the frequencies are

Multiple choice question

While computing mean of grouped data, we assume that the frequencies are

The abscissa of the point of intersection of the less than type and of the more than type cumulative...

Multiple choice question

The abscissa of the point of intersection of the less than type and of the more than type cumulative frequency curves of a grouped data gives its

The mean of 5 numbers is 18. One number is excluded their mean becomes 16. Then the excluded number ...

Multiple choice question

The mean of 5 numbers is 18. One number is excluded their mean becomes 16. Then the excluded number is

The mean and median of 100 items are 50 and 52 respectively. The value of the largest item is 100. I...

Multiple choice question

The mean and median of 100 items are 50 and 52 respectively. The value of the largest item is 100. It was later found that it is 110 not 100. The true mean and median are

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