Answered: 11 Degrees of freedom is 21, first…

11 Degrees of freedom is 21, first sample size is 12, thus; the second sample size will be: Select one: a. 11 b. 8 c. 9 d. 10

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

100%

Degrees of freedom is 21, first sample size is 12, thus; the second sample size will be:

Select one:

Definition Definition Number of subjects or observations included in a study. A large sample size typically provides more reliable results and better representation of the population. As sample size and width of confidence interval are inversely related, if the sample size is increased, the width of the confidence interval decreases.

Expert Solution

Step 1

We know Degree of Freedom of two samples,

DOF = N₁ + N₂ - 2.................... (i)

Given data,

N₁=12

DOF= 21

Step by step

Solved in 2 steps

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