Question FourIf employees' salaries ( in hundred £) in company ABC are as follows:11, 15, 17, 14, 16, 16, 14, 18, 17, 12and the marks of another group of 12 male students in the same exam are as followsmedian mode SDminQ1Q3meanmax22.95 22.5234123013.423.81) Which group is more homogenous? Comment on the results.2) Comment on the results in the table.|Page %3D%3D1 Xin-1nCV == X 100n - 1Z =%3DZtab%3D

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Description: Question FourIf employees' salaries ( in hundred £) in company ABC are as follows:11, 15, 17, 14, 16, 16, 14, 18, 17, 12and the marks of another group of 12 male students in the same exam are as followsmedian mode SDminQ1Q3meanmax22.95 22.5234123013

Given, Mean of students=x¯s=22.95SD of students=ss=4 Mean salary of employees, x¯e=∑xn=15010=15 Sd…

Math

Statistics

Question Four If employees' salaries ( in hundred £) in company ABC are as follows: 11, 15, 17, 14, 16, 16, 14, 18, 17, 12 and the marks of another group of 12 male students in the same exam are as follows mean median mode SD min max Q1 Q3 22.95 22.5 23 4 12 30 13.4 23.8 1) Which group is more homogenous? Comment on the results. 2) Comment on the results in the table. |Page

Question Four If employees' salaries ( in hundred £) in company ABC are as follows: 11, 15, 17, 14, 16, 16, 14, 18, 17, 12 and the marks of another group of 12 male students in the same exam are as follows mean median mode SD min max Q1 Q3 22.95 22.5 23 4 12 30 13.4 23.8 1) Which group is more homogenous? Comment on the results. 2) Comment on the results in the table. |Page

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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If employees’ salaries ( in hundred £) in company ABC are as follows: 11, 15, 17, 14, 16, 16, 14, 18, 17, 12 and the marks of another group of 12 male students in the same exam are as follows mean median mode SD min max Q1 Q3 22.95 22.5 23 4 12 30 13.4 23.8 Which group is more homogenous? Comment on the result? Comment on the results in the table.
The Median of the following data is 16.5: Marks Frequency 1-8 4 9-16 17-24 2 25-32 7 33-40 1 Total 20 Select one: True O False
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13. Suppose you have an Excel file with data in Column C, rows 2 through 101, that is skewed right. Which of the following statements is true? a. MEAN(C2:C101) = MEDIAN(C2:C101) b. MEAN(C2:C101) > MEDIAN(C2:C101) c. MEAN(C2:C101) < MEDIAN(C2:C101) d. The mean and median cannot be reasonably compared because they are measured in different units.
•1. Form a frequency distribution from the following data by Inclusive Method, taking 4 as the magnitude of class-intervals : 15, 17, 20, 10, 22, 27, 1, 16, 19, 24, 29, 18, 25, 26, 32, 14, 17, 33, 23. 30, 12, 15, 20, 18, 24, 36, 18, 15, 21, 28, 38, 34, 13, 10, 16, 22, 29, 19, 23, 31.
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8. The salaries of five employees of a company are: $400,000, $500,000, $450,000, $600,000 and $3500,000. Find the mean salary, the mode, if it exists, and the median and indicate which best represents the data.
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The dot plot below shows the length of service in years of Generation Y employees of The Millennial Company. Which of the following statements IS NOT TRUE?A. There are 4 employees whose length of service is lesser than the 3rd quartile (of the length of service data).B. The median length of service, in years, of Generation Y employees is 8.C. There are 4 employees whose length of service is greater than the 3rd quartile (of the length of service data).D. There are 2 employees with 10 years of service in the company.The longest length of service among Generation Y employees of The Millennial Company is:A. 4 yearsB. 8 yearsC. 10 yearsD. 16 yearsThe mode of the length of service in years of Generation Y employees is:A. 4 yearsB. 7 yearsC. 8 yearsD. 12 years
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7. What is the mode on the graph below? a. 59 b. 5 C. 50 d. 3 70 60 50 40 30 20 10 1 2 3 4 5 6 7 8 9 10 8. For the following list of scores, what are the correct mean, median, & mode? Scores: 2, 10, 11, 9, 7, 5, 8 a. Mean: 7.43 Median: 8 Mode: no mode b. Mean: 5.13 Median: 5.5 Mode: 1 C. Mean: 5.96 Median: 9 Mode: 8 d. Mean: 6.45 Median: 6.5 Mode: multiple modes 9. Which measure(s) of central tendency is the most affected by outliers? a. Mean b. Median с. Mode d. Mean and median are equally affected by outliers. 10. A sample of n = 20 has s = 4. What are the correct values for S.S. and s SS = 80; sample S.D. = 4 b. SS = 76; sample variance = 16 c. SS = 304; sample variance 16 SS = 160; sample S.D. = 4 a. d.