SOLUTION: 1. Find the standardized test statistic to test the claim that μ1 = μ2. Two samples are randomly selected from each population. The sample statistics are given below.

Question 930823: 1. Find the standardized test statistic to test the claim that μ1 = μ2. Two samples are randomly selected from each population. The sample statistics are given below.
n1 = 40 n2 = 35
�x 1= 13 �x 2 = 14
s1 = 2.5 s2 = 2.8

EXTRA INFO THE X HAS A bar ON TOP OF IT

a)-0.8

B)None of the above

C)-1.6

D)-1.0

E)-2.6

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
t =(13-14)/SQRT(2.5/40+ 2.8/35) = -2.6
RELATED QUESTIONS
Find the standardized test statistic z to test the claim that P1=P2. The sample... (answered by reviewermath)

You wish to test the claim that μ>33 at a level of significance of α=0.05 and... (answered by Boreal)

A random sample of 100 observations from a population with standard deviation 28.51... (answered by stanbon)

suppose you want to test the claim that μ =3.5. Given a sample size of n=40 and a... (answered by Boreal)

In city A, it is known that the mean monthly energy usage per household has historically... (answered by stanbon)

A study was done on proctored and non proctored tests. The results are shown below.... (answered by psbhowmick)

A class survey in a large class for first-year college students asked, "About how many... (answered by Boreal)

1. The researcher claims that the mean IQ of statistics teachers is greater than 160. If... (answered by ewatrrr)

Use technology to help you test the claim about the population mean,... (answered by oscargut)

SOLUTION: 1. Find the standardized test statistic to test the claim that &#956;1 = &#956;2. Two samples are randomly selected from each population. The sample statistics are given below.

SOLUTION: 1. Find the standardized test statistic to test the claim that μ1 = μ2. Two samples are randomly selected from each population. The sample statistics are given below.