0 ≤ x < 10 10 10 ≤ x < 20 100 20 ≤ x < 30 220 30 ≤ x < 40 90 The midpoint of the last class is _____. a. 34 b. 35 c. 50 d. 34.5 2) The numbers of hours worked (per week) by 410 s
0 ≤ x < 10 10 10 ≤ x < 20 100 20 ≤ x < 30 220 30 ≤ x < 40 90 The midpoint of the last class is _____. a. 34 b. 35 c. 50 d. 34.5 2) The numbers of hours worked (per week) by 410 s
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
The numbers of hours worked (per week) by 420 statistics students are shown below.
The midpoint of the last class is _____.
| Number of Hours | Frequency | |||
| 0 ≤ x < 10 | 10 | |||
| 10 ≤ x < 20 | 100 | |||
| 20 ≤ x < 30 | 220 | |||
| 30 ≤ x < 40 | 90 |
The midpoint of the last class is _____.
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2)
The numbers of hours worked (per week) by 410 statistics students are shown below.
The number of students working less than 10 hours is _____.
| Number of Hours | Frequency | |||
| 0 ≤ x < 5 | 20 | |||
| 5 ≤ x < 10 | 100 | |||
| 10 ≤ x < 15 | 180 | |||
| 15 ≤ x < 20 | 110 |
The number of students working less than 10 hours is _____.
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