Question

The numbers of hours worked (per week) by 400 statistics students are shown below. Number of hours Frequency 0–9 40 10–19 120 20–29 160 30–39 80 What is the cumulative percent frequency for ≤29 hours? 40 80 160 320

Name: the numbers of hours worked per week by 400 statistics students are shown below number of hours frequency 09 40 1019 120 2029 160 3039 80 what is cumulative percent frequency for 29 hours 40 24504
Uploaded: 2023-02-26T11:46:03-08:00
Duration: 1 min 50 s
Channel: Adi S
Description: the numbers of hours worked per week by 400 statistics students are shown below number of hours frequency 09 40 1019 120 2029 160 3039 80 what is cumulative percent frequency for 29 hours 40 24504

          The numbers of hours worked (per week) by 400 statistics students are shown below.

Number of hours Frequency 
0–9 40 
10–19 120 
20–29 160 
30–39 80 

What is the cumulative percent frequency for ≤29 hours?
40
80
160
320

Added by Meredith J.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Adi S

02/26/2023

Step 1

For 0-9 hours, the cumulative frequency is 40 (since there are 40 students in this interval). For 10-19 hours, the cumulative frequency is 40 + 120 = 160 (since there are 120 students in this interval, and we add the previous cumulative frequency). For 20-29 Show more…

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The numbers of hours worked (per week) by 400 statistics students are shown below. Number of hours Frequency 0–9 40 10–19 120 20–29 160 30–39 80 What is the cumulative percent frequency for ≤29 hours? 40 80 160 320