Question

The folowing frequency distribution analyzes the scores on a math test. Scores Number of students 50 - 59 2 60 - 69 4 70 - 79 8 80 - 89 15 90 - 99 5 Find the class boundaries of scores interval 90 - 99. 89.5 and 100.5 90.5 and 100.5 89.5 and 99.5 90.5 and 99.5 What is the class width? 10 9 9.5 correct answer is not given What is the midpoint of the class 80 - 89? correct answer is not given 85 84.5 85.5

          The folowing frequency distribution analyzes the scores on a math test.
Scores Number of students
50 - 59 2
60 - 69 4
70 - 79 8
80 - 89 15
90 - 99 5
Find the class boundaries of scores interval 90 - 99.
89.5 and 100.5
90.5 and 100.5
89.5 and 99.5
90.5 and 99.5
What is the class width?
10
9
9.5
correct answer is not given
What is the midpoint of the class 80 - 89?
correct answer is not given
85
84.5
85.5

The folowing frequency distribution analyzes the scores on a math test.
Scores Number of students
50 - 59 2
60 - 69 4
70 - 79 8
80 - 89 15
90 - 99 5
Find the class boundaries of scores interval 90 - 99.
89.5 and 100.5
90.5 and 100.5
89.5 and 99.5
90.5 and 99.5
What is the class width?
10
9
9.5
correct answer is not given
What is the midpoint of the class 80 - 89?
correct answer is not given
85
84.5
85.5

Added by Christopher B.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Narayan Hari

02/05/2022

Step 1

Step 1: Calculate the class boundaries for the scores interval 90 to 99. Show more…

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The folowing frequency distribution analyzes the scores on a math test. Scores Number of students 50 - 59 2 60 - 69 4 70 - 79 8 80 - 89 15 90 - 99 5 Find the class boundaries of scores interval 90 - 99. 89.5 and 100.5 90.5 and 100.5 89.5 and 99.5 90.5 and 99.5 What is the class width? 10 9 9.5 correct answer is not given What is the midpoint of the class 80 - 89? correct answer is not given 85 84.5 85.5