Following is the distribution of persons in U.K. according to difference income groups : Income No. of persons ('000£) 0-1 1-2 2-3 3-5 5-10 10-25 25- 50 50 - 100 100-1000 Calculate the average income per head. 13 90 81 117 66 27 6 2 2
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- six hundred adult americans were asked by telephone poll, "what do you think constitutes a middle-class income?" Include left endpoint, but not right endpoint. salary: R. Freq. < 20000 0.02 20000-25000 0.09 25000-30000 0.19 30000-40000 0.26 40000-50000 0.18 50000-75000 0.17 75000-99999 0.02 100000+ 0.01 A. what percentage if the survey answered not sure B. What percentage think that middle-class is from $25,000 to…For the following power series find the interval and radius of convergence.Find the coefficient of variation for the waiting times at Bank A and Bank B
- Define Glejser test is used to deduct?If the grades of students in Principles of statistics are distributed through the N ( 60 , 100 ) , then the percentage of students with grades between 65 and 70Construct simple average price relative index number using geometric mean for the year 2015 for the data showing the expenditure in education of the children taking different courses. Expenditure per year | 2014 2015 B.Sc 24000 26000 В.Сom 20000 22000 B.E 108000 12000 М.В.B.S 150000 168000
- “Among those born in 1920, a woman in the lowest income group surviving to 50 could expect to live to age 80. A woman in the highest income group could expect to live to age 84. Use the chart below (and the 1st chart, above) to compute the percentage difference [(final–initial)/initial*100% or change/initial*100%] for Life Expectancy at age 50 for women born in 1920 and 1940 for the top and bottom deciles.Erample 5.8) The mean annual salary of employees of a company is Rs 30000. The mean annual calaries of male and female employees are Rs 35000 and Rs 23000, respectively. Find out the percent- of male and female employees working in the company. ageAlso P-value