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Question 11. Refer to Question 9. The following results come from two independent random samples taken from two populations. able[[,Sample Size,Sample Mean, able[[Population],[Standard Deviation]]],[Sample 1,n_(1)=55,ar{x} _(1)=138,sigma _(1)=39 Question 11 Refer to Question 9 The following results come from two independent random samples taken from two populations Sample Size Sample Mean Population Standard Deviation Sample 1 Sample2 n=55 n=65 x=138 x=121 1=39 0=26 Assume that , is the population mean for the first population and u, is the population mean for the second population. Test whether the two population means differ at the 5% significance level. Select the correct answer. Oi.The test statistic isz O iii The rejection region iso-1.96and1.96,co. 138-121 17 6.16 hypothesis.We cannot conclude that the two population means are different.

          Question 11.
Refer to Question 9.
The following results come from two independent random samples taken from two populations.
	able[[,Sample Size,Sample Mean,	able[[Population],[Standard Deviation]]],[Sample 1,n_(1)=55,ar{x} _(1)=138,sigma _(1)=39
Question 11 Refer to Question 9
The following results come from two independent random samples taken from two populations
Sample Size
Sample Mean
Population Standard Deviation
Sample 1 Sample2
n=55 n=65
x=138 x=121
1=39 0=26
Assume that , is the population mean for the first population and u, is the population mean for the second population. Test whether the two population means differ at the 5% significance level.
Select the correct answer.
Oi.The test statistic isz
O iii The rejection region iso-1.96and1.96,co.
138-121
17
6.16
hypothesis.We cannot conclude that the two population means are different.

question 11 refer to question 9 the following results come from two independent random samples taken from two populations tablesample sizesample meantablepopulationstandard deviationsample 1 00758

Added by Debra G.

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