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- Find the mean and variance for the following data 6,7,10,12,13,4,8,12
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- Write the sum of first n natural numbers.
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- Find the mean and variance of the first 10 multiples of 3.
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- Find the mean and standard deviation using short-cut method
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- Find the mean and variance for the following frequency distribution.
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- Find the mean, variance and standard deviation using short cut method.
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- Two plants A and B of a factory show following results about the numbe...
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- Coefficient of variation of two distributions are 60 and 70 and their ...
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- The following values are calculated in respect of heights and weights ...
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- The following is the rècord of goals scored by team '(A)' in a footbal...
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- The sum and squares corresponding to length x(in cm) and y(in gm) of 5...
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- The variance of 20 observations is '5 .' If each observation is multip...
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- The mean of 5 observations is 4.4 and their variance is 8.24.If three ...
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- If each of the observation x1,x2,………..xn is increased by 'a',where a...
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- The mean and standard deviation of 100 observations were calculated as...
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- The mean and variance of 7 observations are 8 and 16 respectively. If ...
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- The mean and standard deviation of six observations are 8 and 4, respe...
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- The mean and standard deviation of marks obtained by. 50 students of a...
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- Calculate the mean deviation about median from the following data 340...
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- Find the mean deviation about the mean for the following data: 6,7,10,...
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