The following table gives the cumulative frequency distribution of annual incomes (in thousands of dollars) for a sample of families selected from a city. Income ($1000’s) f 10 to less than 25 25 10 to less than 40 79 10 to less than 55 149 10 to less than 70 167 10 to less than 85 191 10 to less than 100 200

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Question

Part "f" please

3. The following table gives the cumulative frequency distribution of annual
incomes (in thousands of dollars) for a sample of families selected from a city.
Income ($1000’s)
f
10 to less than 25
25
10 to less than 40
79
10 to less than 55
149
10 to less than 70
167
10 to less than 85
191
10 to less than 100
200
Find :
a. The cumulative relative frequency of the fourth class, rounded to three
decimal places.
b. The sample size.
c. The cumulative percentage for the second class, rounded to one decimal
place.
d. The percentage of families with an income of less than $55,000, rounded to
one decimal place.
e. The percentage of families with an income of $70,000 or more, rounded to
one decimal place.
f. The number of families with an income of $40,000 or less.
g. The number of families with an income of $85,000 or more.
Transcribed Image Text:3. The following table gives the cumulative frequency distribution of annual incomes (in thousands of dollars) for a sample of families selected from a city. Income ($1000’s) f 10 to less than 25 25 10 to less than 40 79 10 to less than 55 149 10 to less than 70 167 10 to less than 85 191 10 to less than 100 200 Find : a. The cumulative relative frequency of the fourth class, rounded to three decimal places. b. The sample size. c. The cumulative percentage for the second class, rounded to one decimal place. d. The percentage of families with an income of less than $55,000, rounded to one decimal place. e. The percentage of families with an income of $70,000 or more, rounded to one decimal place. f. The number of families with an income of $40,000 or less. g. The number of families with an income of $85,000 or more.
Expert Solution
trending now

Trending now

This is a popular 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