BuyFindarrow_forward

Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570

Solutions

Chapter
Section
BuyFindarrow_forward

Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570
Textbook Problem

During the month of October, an instructor recorded the number of absences for each student in a class of n = 20 and obtained the following distribution.

Number of Absences f
5 1
4 2
3 7
2 5
1 3
0 2
  • a. Using the mean, what is the average number of absences for the class?
  • b. Using the median, what is the average number of absences tor the class?
  • c. Using the mode, what is the average number of absences for the class?

a.

To determine

To Find: The average number of absence for the class, using the mean.

Explanation

Given info:

The frequency distribution table is provided in the question.

X f
5 1
4 2
3 7
2 5
1 3
0 2
  Total=20

Calculation:

f represents number of scores.

fX represents the sum of scores.

Software procedure:

Step-by-step procedure to obtain the fX using the SPSS software:

  • Go to Variable View> Enter the name of the variable as X, second variable as f and third variable as fX.
  • Go to Data View>Enter the values of X and f.
  • Go to Transform>Choose Compute variable>Enter fX in Target Variable
  • Write X*f in Numeric expression

b.

To determine

To Find: The average number of absence in the class, using the median.

c.

To determine

To Find: The mode of the data provided

Still sussing out bartleby?

Check out a sample textbook solution.

See a sample solution

The Solution to Your Study Problems

Bartleby provides explanations to thousands of textbook problems written by our experts, many with advanced degrees!

Get Started

Additional Math Solutions

Find more solutions based on key concepts

Show solutions add

Find the mean for the scores in the following frequency distribution table: X f 6 1 5 4 4 2 3 2 2 1

Essentials of Statistics for The Behavioral Sciences (MindTap Course List)

In Exercises 5762, sketch the straight line defined by the given linear equation by finding the x- and y-interc...

Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach

Expand each expression in Exercises 122. (x+1)(x3)

Finite Mathematics and Applied Calculus (MindTap Course List)

Find the limit. limx/41tanxsinxcosx

Single Variable Calculus: Early Transcendentals

17.

Mathematical Applications for the Management, Life, and Social Sciences

π does not exist

Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th