Answered: Since the number of samples is less…

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Statistics

Since the number of samples is less than 30, shouldn't t-test be used instead

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section: Chapter Questions

Problem 9SGR

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Since the number of samples is less than 30, shouldn't t-test be used instead?

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Step 1: Distribution of 1000 hammers

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Follow-up Questions

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Follow-up Question

A new system is introduced and 10 hammer samples are drawn. Since the no. of samples is < 30, t-test must have been used. Please correct me if this interpretataion is wrong

According to this flowchart, t-test must be used when the sample size is less than 30.

YES
YES
Is the sample
size above 30?
Use the Z-Test
Do you know the
population standard
deviation,σ,?
NO
Use the T-Test
NO
Use the T-Test

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