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PEARSON IIT JEE FOUNDATION-STATISTICS -Level 1
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- If the SD of y(1) , y(2) , y(3) … y(n) is 6 , then variance of (y(1) -...
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- Lower quartile , upper quartile and interquartile range are Q(1) , Q(3...
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- The weights of 20 students in a class are given below. Find the m...
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- The weights of 20 students in a class are given below. The interq...
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- If the average of a , b , c and d is the average of b and c , then whi...
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- Find the interquartile range of the data 3 , 6 , 5 , 4, 2 , 1 and 7.
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- If the mean of the lower quartile and upper quartile is 10 and the sem...
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- The lower quartile of the data 5 , 3, 4 , 6 , 7 , 11 , 9 is "".
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- Find the arithmetic mean of the first 567 natural numbers .
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- If a lt b lt c lt d and a , b , c , d are non-zero integers , the me...
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- The mean of 16 observations is 16 . If one observation 16 is deleted a...
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- If L = 44.5 , N = 50 , F = 15 , f = 5 and C = 20 , then find the media...
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- If L = 39.5 , Delta(1) = 6 , Delta(2) = 9 and c = 10 , then find the m...
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- The average weight of 55 students is 55 kg , and the average weight of...
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- If the mean of 26 , 19 , 15 , 24 , and x is x , then find the median o...
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