A certain type of thread is manufactured with a mean tensile strength of 78.3 kilograms and a standard deviation of 5.6 kilograms. How is the variance of the sample mean changed when the sample size is:please show complete solution A certain type of thread is manufactured with a mean tensile strength of 78.3 kilograms and a standarddeviation of 5.6 kilograms. How is the variance of the sample mean changed when the sample size is1.а.increased from 64 to 196?b.decreased from 784 to 49?|

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A certain type of thread is manufactured with a mean tensile strength of 78.3 kilograms and a standard deviation of 5.6 kilograms. How is the variance of the sample mean changed when the sample size is a. increased from 64 to 196? b. decreased from 784 to 49?| 1.

A certain type of thread is manufactured with a mean tensile strength of 78.3 kilograms and a standard deviation of 5.6 kilograms. How is the variance of the sample mean changed when the sample size is a. increased from 64 to 196? b. decreased from 784 to 49?| 1.

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter1: Introduction

Section: Chapter Questions

Problem 1.5.5P: The results of a tensile test are shown in Table 1.5.2. The test was performed on a metal specimen...

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A certain type of thread is manufactured with a mean tensile strength of 78.3 kilograms and a standard deviation of 5.6 kilograms. How is the variance of the sample mean changed when the sample size is:

please show complete solution

A certain type of thread is manufactured with a mean tensile strength of 78.3 kilograms and a standard
deviation of 5.6 kilograms. How is the variance of the sample mean changed when the sample size is
1.
а.
increased from 64 to 196?
b.
decreased from 784 to 49?|

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