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The average of 18 observations was calculated and it was 124. Later on it was discovered that two observations 46 and 82 were incorrect. The correct values are 64 and 28. The correct average of 18 obs

Total number of observations , which are below a certain value are known as

Sriram was conducting an experiment in which the average of 11 observations came to be 92, while the average of first five observations was 89, and that of the last five was 86. What was the measure o

A box contains coins (equal no. of every one) of rupee and half rupee, coins of 25 paise, 10 paise, 5 paise value, 2 paise value and one paise value. The total value of coins in the box is Rs. 1158. F

If the mean of 5 observations x,x 2,x 4,x 6 and x 8 is 1 then the mean of last 3 observations is

For the distribution Marks Number of students Below 5 10 Below 10 25 Below 15 37 Below 20 57 Below 25 66 the sum of the lower limits of the median class and the modal class is

Study the following graphs carefully ans answer the questions given below: Value of imports and exports by a company over the years. Value of imports(in Rs. Cr).Value of exports (in Rs. Cr)The value