Suppose we are interested investigating the mean \muμ for some population. We want to test the hypotheses H0​:μ=5.5 Ha​:μ​=5.5 a)What type of test would be appropriate here and why? b)We take a sample of size n = 25, and find a sample mean of 6.3, with an sd of 1.8.Which of the following choices do we still need to know in order to apply the test from the previous part? Choice 1:We have a random sample. Choice 2:The distribution of the quantitative variable is approximately normal in the population. Choice 3:The distribution of the quantitative variable is approximately normal in our sample. Choice 4:Our sample size is at least 30. c)Find the test statistic for our hypothesis test. d)The P-value is______ e)At the α=0.05 significance level, what conclusions can we make and why?       Choice 1:Reject the null hypothesis.      Choice 2:Fail to reject the null hypothesis.

MATLAB: An Introduction with Applications
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Suppose we are interested investigating the mean \muμ for some population. We want to test the hypotheses

H0​:μ=5.5

Ha​:μ​=5.5

a)What type of test would be appropriate here and why?

b)We take a sample of size n = 25, and find a sample mean of 6.3, with an sd of 1.8.Which of the following choices do we still need to know in order to apply the test from the previous part?

Choice 1:We have a random sample.
Choice 2:The distribution of the quantitative variable is approximately normal in the population.
Choice 3:The distribution of the quantitative variable is approximately normal in our sample.
Choice 4:Our sample size is at least 30.

c)Find the test statistic for our hypothesis test.

d)The P-value is______

e)At the α=0.05 significance level, what conclusions can we make and why?

      Choice 1:Reject the null hypothesis.

     Choice 2:Fail to reject the null hypothesis.

 
 
 
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for d how can you calculate  the p value without excel?  need to be able to do on a test without excel or statkey.  It is also saying the answer is incorrect.  P does not equal 0.036

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