Calculate Karl Pearson's Coefficient of Skewness from the data given below :Hourly wagesNo. of workersHourly wagesNo. of workers3090-100100-11040-503650-60110-1205060-708.120 1306070-8010130-1407080-9025

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Answered: Calculate Karl Pearson's Coefficient of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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industrial workers during the years 1980-87. The consumer price indices for these years with 1980 as base we 10-35. The table given below shows the average wages in rupees per week of a group of are also shown: : 1980 Year Average Wage of Workers (Rs.) . Consumer Price Index () Determine the Real Wage of workers during the years 1980-87 as compared with their wages in 1981 1982 1983 1984 1985 1986 1987 119 133 144 157 175 184 189 194 100 107-6 106-6 107-6 116-2 118-9 119-8 120-2 1980. (ii) Determine the purchasing power of Rupee for the year 1987 as compared te the year 1980. What is the significance of this result ? res
Question z Sales of a telephone answering machine for the last two ycars are given below: Year Jan Feb Mar April May Jun Jul Aug Sep Oct Nov Dec 1 180 175 180 190 195 210 220 200 198 202 195 185 2 190 180 185 198 202 215 230 210 195 196 205 190 i) Find the seasonal index for cach of the months. Need handwritten answers with proper workings
are there any outliers in this histogram?
(6) Fill the following table that comes from the expenditure per week of you and your sibling (brother or sister) on food: Expenditure You (in Rs.) 30-60 Your sibling 60-90 90-120 120-150 150-180 180-210 210-240 Which one is more consistent in expenditure on food and which spends more on food? Also explain the descriptive statistics used in this questions. Answer: Q. No.3
Calculate the arifhmetic mean of the following data : 90-80 80-70 70–60 | 60–50 50-40 | 40-30 30-20 10 X : 110-100 100-90 20-10 10-0 4 8 16 16 24 18 14 4
The following are the monthly figures of advertising expenditure and sales of a firm. It is generally found that advertising expenditure has its impact on sales after 2 months. Allowing for this time lag, calculate coefficient of correlation. Advertising Expenditure ('000) Sales Months Advertising Expenditure ('000) Months Sales 1,200 July Aug. Jan. 50 140 2,400 Feb. 60 1,500 160 2,600 March 70 1,600 Sep. 170 2,800 90 2,000 Oct. 190 2,900 April May 120 2,200 Nov. 200 3,100 June 150 2,500 Dec. 250 3,900
Example 23. Draw less than and more than ogive for the data given biow. No. of Companies Profits No. of Companies Profits (Rs. Lakhs) (Rs. of Lakhs) 10-20 6. 60-70 16 20-30 8. 70-80 8 30-40 12 80-90 40-50 18 90-100 50-60 25
The following table presents the intelligence quotients of runaway boys. Intelligence Quotient 30 - 39 40 - 49 Number 6 50 - 59 60 60 - 69 140 70 - 79 184 80 - 89 90 - 99 100 - 109 110 - 119 139 78 37 14 What is the 5th decile class?

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Calculate Karl Pearson's Coefficient of Skewness from the data given below : Hourly wages- No. of workers Hourly wages No. of workers 90-100 30 40-50 100-110 36 50-60 50 110-120 120130 60-70 8 60 70-80 10 130-140 70 80-90 25