We want to conduct a hypothesis test of the claim that the population mean germination time of strawberry seeds is different from 16.9days. So, we choose a random sample of strawberries. The sample has a mean of 17 days and a standard deviation of 1.5 days.For each of the following sampling scenarios, choose an appropriate test statistic for our hypothesis test on the population mean. Then calculate that statistic

We want to conduct a hypothesis test of the claim that the population mean germination time of strawberry seeds is different from 16.9days. So, we choose a random sample of strawberries. The sample has a mean of 17 days and a standard deviation of 1.5 days.For each of the following sampling scenarios, choose an appropriate test statistic for our hypothesis test on the population mean. Then calculate that statistic

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 13PPS

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Question

(a)	The sample has size 75, and it is from a non-normally distributed population with a known standard deviation of 1.4 .
		z=
		t=
		(or) It is unclear which test statistic to use.

(b)	The sample has size 17, and it is from a population with a distribution about which we know very little.
		z =
		t =
		(or) It is unclear which test statistic to use.

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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