Two separate samples receive different treatments. After treatment, the first sample has n 5 6 with SS

Question:

Two separate samples receive different treatments.

After treatment, the first sample has n 5 6 with SS 5 236, and the second has n 5 12 with SS 5 340.

a. Compute the pooled variance for the two samples.

b. Calculate the estimated standard error for the sample mean difference.

c. If the sample mean difference is 7 points, is this enough to reject the null hypothesis using a twotailed test with a 5 .05?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Essentials Of Statistics For The Behavioral Sciences

ISBN: 9781337098120

9th Edition

Authors: Frederick J Gravetter, Larry B. Wallnau, Lori Ann B. Forzano

Question Posted: