Find the minimum sample size n needed to estimate u for the given values of c, o, and E.c=0.90, o=7.5, and E=1Assume that a preliminary sample has at least 30 members. **Problem Statement: Estimating Minimum Sample Size**To determine the minimum sample size \( n \) required to estimate the mean \( \mu \) using the specified parameters, consider the following:**Given Values:**- Confidence level (\( c \)): 0.90- Standard deviation (\( \sigma \)): 7.5- Margin of error (\( E \)): 1Assume that a preliminary sample contains at least 30 members.**Options for Sample Size \( n \):**- \( n = 100 \)- \( n = 150 \)- \( n = 153 \)- \( n = 160 \)

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Find the minimum sample sizen needed to estimate u for the given values of c, o, and E. C = 0.90, o = 7.5, and E = 1. Assume that a preliminary sample has at least 30 members. On=100 On=150 On=153 On=160

Find the minimum sample sizen needed to estimate u for the given values of c, o, and E. C = 0.90, o = 7.5, and E = 1. Assume that a preliminary sample has at least 30 members. On=100 On=150 On=153 On=160

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

Find the minimum sample size n needed to estimate u for the given values of c, o, and E.

c=0.90, o=7.5, and E=1

Assume that a preliminary sample has at least 30 members.

**Problem Statement: Estimating Minimum Sample Size**

To determine the minimum sample size \( n \) required to estimate the mean \( \mu \) using the specified parameters, consider the following:

**Given Values:**
- Confidence level (\( c \)): 0.90
- Standard deviation (\( \sigma \)): 7.5
- Margin of error (\( E \)): 1

Assume that a preliminary sample contains at least 30 members.

**Options for Sample Size \( n \):**
- \( n = 100 \)
- \( n = 150 \)
- \( n = 153 \)
- \( n = 160 \)

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.

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