Suppose that the following data is the total annual incomes (rounded to thousands) for all 30 staffs in the Department of Mathematics of a university for the year 2014. Staff Annual Income(RM '000) Staff Annual Income(RM '000) 1 51 16 43 2 70 17 16 3 79 18 15 4 75 19 72 5 72 20 92 6. 55 21 25 7 25 22 30 8 38 23 24 74 24 46 10 54 25 47 11 37 26 46 12 15 27 45 13 56 28 38 14 17 29 81 15 רר 30 49 Construct a grouped frequency distribution for the data using 5 classes.Calculate the relative frequency and percentage for all classes. Clue: The 5 classes are 15-30,31-46,47-62,63-78,79-94

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
100%
Please use excel.
Suppose that the following data is the total annual incomes (rounded to thousands) for all 30
staffs in the Department of Mathematics of a university for the year 2014.
Staff
Annual Income(RM '000)
Staff
Annual Income(RM '000)
1
51
16
43
2
70
17
16
3
79
18
15
4
75
19
72
72
20
92
6.
55
21
25
7
25
22
30
8
38
23
24
9
74
24
46
10
54
25
47
11
37
26
46
12
15
27
45
13
56
28
38
14
17
29
81
15
77
30
49
Construct a grouped frequency distribution for the data using 5 classes.Calculate the relative
frequency and percentage for all classes. Clue: The 5 classes are 15-30,31-46,47-62,63-78,79-94
e) What is the best measurement of central tendency for this data set?
g) What is the best measurement of variation for this data set?
Transcribed Image Text:Suppose that the following data is the total annual incomes (rounded to thousands) for all 30 staffs in the Department of Mathematics of a university for the year 2014. Staff Annual Income(RM '000) Staff Annual Income(RM '000) 1 51 16 43 2 70 17 16 3 79 18 15 4 75 19 72 72 20 92 6. 55 21 25 7 25 22 30 8 38 23 24 9 74 24 46 10 54 25 47 11 37 26 46 12 15 27 45 13 56 28 38 14 17 29 81 15 77 30 49 Construct a grouped frequency distribution for the data using 5 classes.Calculate the relative frequency and percentage for all classes. Clue: The 5 classes are 15-30,31-46,47-62,63-78,79-94 e) What is the best measurement of central tendency for this data set? g) What is the best measurement of variation for this data set?
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman