Wednesday

April 1, 2015

April 1, 2015

Posted by **Gummy** on Saturday, April 6, 2013 at 1:08pm.

a. Using the 5% level of significance, test whether

the two means are different.

b. Assume the p-value for this test is .0439.

c. If the level of significant used was 10% (or 1%),

would the Ho be rejected?

- Statistics -
**PsyDAG**, Saturday, April 6, 2013 at 2:54pmZ = (mean1 - mean2)/standard error (SE) of difference between means

SEdiff = √(SEmean1^2 + SEmean2^2)

SEm = SD/√n

If only one SD is provided, you can use just that to determine SEdiff.

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.

**Answer this Question**

**Related Questions**

statistics - A specific study found that the average number of doctor visits per...

statistics - A specific study found that the average number of doctor visits per...

Statistics - The null and alternate hypotheses are: H0: μ1 = μ2 H1: &#...

Statistics - 1. A study of 40 people found that they could do on the average15 ...

Statistics - 1. A study of 40 people found that they could do on the average15 ...

basic statistics for the behavioral sciences - on a standard test of motor ...

statistics - Based on a random sample of 25 units of lawnmowers, the average ...

Statistics - A random sample of 14 evenings at the O'Sullivan house hold showed ...

Statistics - A random sample of 14 evenings at the O'Sullivan house hold showed ...

statistics - a random sample of 100 college students is taken from the student ...