Question

Use the table to answer the following question. Hours Studying for ACT by a High School Student During the Summer Hours Studied for Cumulative Cumulative Frequency Percentage ACT Frequency Percentage 101-120 1,550 10,000 15.50 100.00 81-100 1,200 8,450 12.00 C 61-80 1,750 B 17.50 72.50 41-60 2,500 5,500 25.00 55.00 21-40 1,500 3,000 15.00 30.00 0-20 1,500 1,500 15.00 15.00 What number is missing from the space marked by the letter B?

          Use the table to answer the following question.
Hours Studying for ACT by a High School Student During the Summer
Hours Studied for
Cumulative
Cumulative
Frequency
Percentage
ACT
Frequency
Percentage
101-120
1,550
10,000
15.50
100.00
81-100
1,200
8,450
12.00
C
61-80
1,750
B
17.50
72.50
41-60
2,500
5,500
25.00
55.00
21-40
1,500
3,000
15.00
30.00
0-20
1,500
1,500
15.00
15.00
What number is missing from the space marked by the letter B?

Use the table to answer the following question.
Hours Studying for ACT by a High School Student During the Summer
Hours Studied for
Cumulative
Cumulative
Frequency
Percentage
ACT
Frequency
Percentage
101-120
1,550
10,000
15.50
100.00
81-100
1,200
8,450
12.00
C
61-80
1,750
B
17.50
72.50
41-60
2,500
5,500
25.00
55.00
21-40
1,500
3,000
15.00
30.00
0-20
1,500
1,500
15.00
15.00
What number is missing from the space marked by the letter B?

Added by Dean R.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Ahmad Reda

06/13/2022

Step 1

Step 1: The cumulative frequency is the sum of the frequencies of all the classes up to and including the current class. Show more…

Show all steps

Thanks for your feedback!

Use the table to answer the following question. Hours Studying for ACT by a High School Student During the Summer Hours Studied for Cumulative Cumulative Frequency Percentage ACT Frequency Percentage 101-120 1,550 10,000 15.50 100.00 81-100 1,200 8,450 12.00 C 61-80 1,750 B 17.50 72.50 41-60 2,500 5,500 25.00 55.00 21-40 1,500 3,000 15.00 30.00 0-20 1,500 1,500 15.00 15.00 What number is missing from the space marked by the letter B?