Monday
October 20, 2014

Homework Help: statistics

Posted by emily on Sunday, April 29, 2012 at 3:11pm.

if the null hypothesis is that the mean is 3218, the alternative hypothesis is that the mean > 3228, and the sample mean is x= 3342, the sample standard deviation is s=287, the sample size is n= 42, and α= 0.01

a. calculate the z test statistic.

b. what is the p-value?

c. would this null hypothesis be rejected or not? justify answer with the p-value.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - In performing a hypothesis test, the null hypothesis is population...
statistics - Given a sample size of 38, with sample mean 660.3 and sample ...
STATS - Given a sample size of 18, with sample mean 660.3 and sample standard ...
Statistics - are the following statements, Ho:=10 and Ha:equal to or less than, ...
STAT - Given a sample size of 18, with sample mean 660.3 and sample standard ...
STAT - Given a sample size of 18, with sample mean 660.3 and sample standard ...
Statistics - The null hypothesis,H0:u=48,was tested against the alternative ...
Statistics - In an essay of 250-500 words, thoroughly address the following ...
Statistics - I have a question that involves explaining what is wrong in each of...
Statistics - A manufacturer of sports equipment claims that the new fishing line...

Search
Members