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Elementary Statistics: Picturing the World | 6th Edition | ISBN: 9780321911216 | Authors: Ron Larson; Betsy Farber
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Finding the Weighted Mean In Exercise, find

Chapter 2, Problem 48E

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QUESTION:

Problem 48E

Finding the Weighted Mean In Exercise, find the weighted mean of the data.

Grades In Exercise, one of the student’s B grades gets changed to an A. What is the student’s new mean grade point score?

In Exercise, find the weighted mean of the data.

Grades A student receives the grades shown below, with an A worth 4 points, a B worth 3 points, a C worth 2 points, and a D worth 1 point. What is the student’s mean grade point score?

A in 1 four-credit class

B in 2 three-credit classes

C in 1 three-credit class

D in 1 two-credit class

Questions & Answers

QUESTION:

Problem 48E

Finding the Weighted Mean In Exercise, find the weighted mean of the data.

Grades In Exercise, one of the student’s B grades gets changed to an A. What is the student’s new mean grade point score?

In Exercise, find the weighted mean of the data.

Grades A student receives the grades shown below, with an A worth 4 points, a B worth 3 points, a C worth 2 points, and a D worth 1 point. What is the student’s mean grade point score?

A in 1 four-credit class

B in 2 three-credit classes

C in 1 three-credit class

D in 1 two-credit class

ANSWER:

Solution :

Step 1 of 1:

Our goal is:

We need to find the weighted mean.

Consider the data.

Grade

Points (x)

Credit (w)

A

4

4

B

3

3

B

3

3

C

2

3

D

1

2

Now we have to find the weighted mean.

Then the table is given below.

Grade

Points (x)

Credit (w)

 

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