Question

Q:3 Consider the list of payment ($) received in reward of online work: 71, a, 72, 79, 80, b, 84, 70, c. (please replace ‘a’ with first two digits, ‘b; with the next two digits and ‘c’ with last two digits of your University ID) Find (i) Mean Deviation (about mean) and Mean Coefficient of dispersion (ii) Mean Deviation (about

median) and Median Coefficient of dispersion

​Q4. Two golfers are competing for the longest distance. Their longest distances in yards over a period of an hour are as follows: First golfer: 260, 267, 234, 290, 267 Second golfer: 261, 260, 260, 273, 260 Compare the variability (Mean coefficient of dispersion) in the distances covered by two golfers.

Q5. The heights of 5 dogs (at the shoulders) are: _ _ _ mm, 470mm, 170mm, 430mm and 300mm. (Please use the first value as the first 3 digits of your university ID) Find out the Quartile Deviation and Coefficient of Quartile Deviation.

Q6. The following are the runs scored by two batsmen Shahid Afridi and Misbah Ul Haq in ten innings. Afridi 101 27 0 20 82 45 0 13 65 14 Misbah 97 20 40 78 27 35 70 47 56 15 Which player is better on average and who among both is more Consistent?

Q7. The mean and standard deviation of distributions of 100 and 150 items are 50, 5 and 40, 6, respectively. Find the mean and standard deviation of all the 250 items taken together. Q8. The following statistical constants were calculated from the distribution of sales of two types of products on various days. Type-I (Rs.) Type-II (Rs.) Mean Sales 210.1 230.0 Standard Deviation 2.4 3.0 Mode 215.5 228 Median 218 240 Which of the two distributions show greater skewness. Use Karl Pearson’s 1st and 2nd Coefficient of Skewness.

Q9. A random sample of 101 weekly personal incomes in Lahore and Faisalabad gives the following results: Lahore: mean =100, S=30 Faisalabad: mean = 79.93, S=13.49 and median=75 (a) In which city is the distribution of income more variable? (b) Compute the coefficient of skewness in Faisalabad? (c) Is the distribution positively or negatively skewed?

Q10. If the quartile coefficient of skewness is -0.36, the first quartile is 8.6 and the median is 12.3. Calculate the quartile deviation.

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Answer 1

Answer:

I know the answer but its to long

i cant write i an so sorry

Answer 2

Answer:

हम तानिया से करते हैं तनु से नहीं