For this grouped data; Number pieces produced Number of workers 5 - 19 6 20 -...

For this grouped data;
Number pieces produced Number of workers
5 - 19 6
20 - 34 17
35 - 49 21
50 - 64 29
65 - 79 23
80 - 94 15
95 - 109 10
a) Find the class boundaries (5p)
b) Find the class marks (5p)
c) Find the class interval (5p)
d) Draw a histogram of the distribution (10p)
e) Estimate and draw to a cumulative "less than" distribution (10p)
f) Calculate the mean, the median and the standard deviation of the distribution and
determine the Pearsonian coefficient of skewness (10 p)

Expert Solution

orchestra answered 1 year ago

Calculate the mean and median from the grouped data. Exam Score Number of Applicants 61-65 20...

Calculate the mean and median from the grouped data. Exam Score Number of Applicants 61-65 20 66-70 13 71-75 47 76-80 56 81-85 33 86-90 27 91-95 41 96-100 34

A car can be produced by 20 workers in the United States, and by 10 workers...

A car can be produced by 20 workers in the United States, and by 10 workers in Germany. 1,000 chickens can be produced by 25 workers in the United States, and by 20 workers in Germany. a) Using charts, show how a shift of workers toward one of the two industries in the United States, coupled with a shift of workers toward the other in Germany, could result in increased total production of both goods in the two countries. (d)...

The number of repairs produced by a computer repair shop depends on the number of workers...

The number of repairs produced by a computer repair shop depends on the number of workers as per the table below: No. of workers per week No. of Repairs 0 0 1 8 2 20 3 35 4 45 5 52 6 57 7 60 Assume that all inputs of production other than labour are fixed in the short run. Add two additional columns to the table and compute MP and AP for each no. of workers. a. What are...

The table identifies the total output produced for each given number of workers. Workers Output 1...

The table identifies the total output produced for each given number of workers. Workers Output 1 100 2 190 3 270 4 340 5 400 6 450 7 490 At a nominal wage of $75 per unit labor and a price of output equal to $1 per unit, how many workers are hired? Enter a whole number. Enter increase, decrease, or same for the rest of the questions below. If the wage and price remain constant, an increase in labor...

An industry hires 30 workers when the wage is $20. It raises the number of workers...

An industry hires 30 workers when the wage is $20. It raises the number of workers hired to 56 when the wages fall to $10. What is the short-run elasticity of labor demand? Is the demand elastic or inelastic?

Why did Apple stock increase on 6/13/19 and 6/20/19

Given the following grouped frequency distribution Data Frequency 30 - 34 15 35 - 39 20...

Given the following grouped frequency distribution Data Frequency 30 - 34 15 35 - 39 20 40 - 44 15 45 - 49 10 50 - 54 5 55 - 59 4 60 - 64 3 65 - 69 1 70 - 74 1 Find the mean (give you answer to one decimal) = Find the standard deviation (give your answer to two decimals) = What is the shape of this distribution?

Given the data set: 6, 19, 17, 23, 20, 10. Determine (i). the percentile rank for...

Given the data set: 6, 19, 17, 23, 20, 10. Determine (i). the percentile rank for each test score, (ii). test score that corresponds to the 50th percentile.

Data on ICU hospitalization (X) and number of death (Y) for 5 days due to COVID-19...

Data on ICU hospitalization (X) and number of death (Y) for 5 days due to COVID-19 is given. Date In ICU (X) Death (Y) 04/25 50 21 04/26 80 35 04/27 87 31 04/28 92 45 04/29 118 50 Total 427 182 Use the fitted regression model to estimate the number of death when number of patients in ICU is 500 rounded to closest number. Question 11 options: 255 240 201 271 218

The following data resulted from a study taken on a horizontal milling machine: Pieces produced per...

The following data resulted from a study taken on a horizontal milling machine: Pieces produced per cycle: 8. Average measured cycle time: 8.36 minutes. Average measured effort time per cycle: 4.62 minutes. Average rapid traverse time: 0.08 minutes. Average cutting time power feed: 3.66 minutes. Performance rating: 115 percent. Allowance (machine time): 10 percent. Allowance (manual time): 15 percent. The operator works on the job a full eight-hour day and produces 380 pieces. How many standard hours does the operator...

Question