   Chapter 3, Problem 18P Essentials of Statistics for the B...

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

Solutions

Chapter
Section Essentials of Statistics for the B...

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

A sample of n = 9 scores has a mean of M = 13. After one score is added to the sample, the mean is found to be M = 12. What is the value of the score that was added?

To determine

To Find: The value of new score which is added to an original sample of 9 scores.

Explanation

Given info:

A sample of 9 scores has a mean 13. After a new score is added, the new mean is 12.

Calculation:

The formula for the mean is:

M=XnX=M×n

Substitute M=13,n=9 in the formula

X=9×13=117<

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

In Exercises 99-106, factor out the greatest common factor from each expression. 100. 4x2y2z 2x5y2 + 6x3y2z2

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

Inverse Functions Find the inverse function of f. 86. f(x) = log 3x

Precalculus: Mathematics for Calculus (Standalone Book)

Divide the following fractions and reduce to lowest terms. 22.

Contemporary Mathematics for Business & Consumers

Sketch the graphs of the equations in Exercises 512. x+y=1

Finite Mathematics and Applied Calculus (MindTap Course List)

The graph of is: a) b) c) d)

Study Guide for Stewart's Multivariable Calculus, 8th

f(x) = (x2 3)2 has points of inflection at x = _____. a) 0,3,3 b) 1, 1 c) 0, 1, 1 d) 3,3

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