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TARGET PUBLICATION-QUESTION FROM STD. IX-Statistics
- Classify the following information as primary or secondary data. Fo...
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- Find the classmark of the class 33-36.
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- If the classes are 0 -10 , 10-20, 20-30…., then in which class should ...
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- From following table, what is the cumulative frequency of less than t...
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- Find the mean of the following numbers : 12,16 , 20 , 24
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- Let barx be the mean of x(1), x(2), ………, x(n) and bary be the mean of ...
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- Find the median of the following data. 87,39,45,67,25,109,78
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- Find the mode of the folllowing data. 15,14,19,15,14,15,16,14,15,18...
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- If the class mark is 15 and the class width is 4, then write the algeb...
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- Make the following classes continuous . 6-10, 11-15,15-20.
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- If the mean of 20, 18 ,13 ,12, x and 10 is 15, then find the value of ...
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- The calculated mean of 20 observations was 70. It was later discovered...
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- The mean of nine numbers is 77 . If one more numbers is added to it, t...
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- Following 10 observations are arranged in ascending order. 2,3,5,9,x...
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