The numbers of hours worked (per week) by 400 statistics students are shown below. Number of Hours Frequency 0 ≤ x < 20 10 20 ≤ x < 40 90 40 ≤ x < 60 220 60 ≤ x < 80 80 The cumulative percent frequency for the class of 60 to 80 is _____. a. 50% b. 80% c. 100% d. 20%
The numbers of hours worked (per week) by 400 statistics students are shown below. Number of Hours Frequency 0 ≤ x < 20 10 20 ≤ x < 40 90 40 ≤ x < 60 220 60 ≤ x < 80 80 The cumulative percent frequency for the class of 60 to 80 is _____. a. 50% b. 80% c. 100% d. 20%
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 14PPS
Related questions
Question
The numbers of hours worked (per week) by 400 statistics students are shown below.
The cumulative percent frequency for the class of 60 to 80 is _____.
| Number of Hours | Frequency | |||
| 0 ≤ x < 20 | 10 | |||
| 20 ≤ x < 40 | 90 | |||
| 40 ≤ x < 60 | 220 | |||
| 60 ≤ x < 80 | 80 |
The cumulative percent frequency for the class of 60 to 80 is _____.
|
|||
|
|||
|
|||
|
2)
The numbers of hours worked (per week) by 400 statistics students are shown below.
The cumulative frequency for the class of 30 to 45 is _____.
| Number of Hours | Frequency | |||
| 0 ≤ x < 15 | 40 | |||
| 15 ≤ x < 30 | 100 | |||
| 30 ≤ x < 45 | 180 | |||
| 45 ≤ x < 60 | 80 |
The cumulative frequency for the class of 30 to 45 is _____.
|
|||
|
|||
|
|||
|
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill