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Statistics

Question
CBSEENMA11015259
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Find the mean of 4, 7, 8, 9, 10, 12, 13, 17

Solution

N = 8
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∴ top enclose straight x space equals space fraction numerator sum straight x over denominator straight N end fraction equals 80 over 8 equals 10

Some More Questions From Statistics Chapter

Find the mean deviation about the mean for the following data:
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Find the mean deviation about median for the following data:
Marks                    0-10          10-20           20-30          30-40          40-50         50-60
Number of 
Girls                       6                8                 14               16                4               2

Calculate the mean deviation about median age for the age distribution of 100 persons given below:
Age               16-20       21-25       26-30         31-35     36-40       41-45      46-50       51-55
Number          5                6             12             14           26           12           16             9

Find the mean deviation about the mean for the following data:
6, 7, 10, 12,13, 4, 8, 12

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