Example 5.12 Suppose we are given the following series: Class interval 0-10 10-20 20-30 30-40 40-50 50-60 60-70 Frequency 6. 12 22 37 17 8. We are asked to draw both types of ogive from these data and to determine the median.

Q: Example 11. A frequency distribution gives the following results : Co-efficient of variation = 5…

A:

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A: The datasrt is given as:Test GradesF30-39840-49750-59360-69270-79180-89090-991It is required to…

Q: Example 12. Find the standard deviation of the following series : Expenditure No. of students Below…

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A: From the information, mean is 11% and the standard deviation is 17%.

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A: S.no. x (x-xbar)^2 1 2 6.890625 2 3 2.640625 3 4 0.390625 4 4 0.390625 5 5 0.140625 6 5…

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A: Given: n = 1900 In year A: p = 0.679 In year B: p = 0.467 Formula Used: Margin of error = Z*p(1-p)n…

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Q: Lower Upper cf rf crf 10 14 9 0.18 0.18 15 19 7 16 0.14 0.32 20 24 10 26 0.2 0.52 25 29 7 33 0.14…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…