10.17 - conduct a 2 sample t Test, paired sample design using Excel.

10.26 - conduct a 2 sample t Test, independent sample design using Excel.

I have also organized the data below, to make it easier to sort the two groups:

Concrete/ immediate experience group:7, 7, 12, 12, 21

Language laboratory group (control):7, 15, 22, 24, 32

Attach your Excel work for both problems, and in addition:

1. state the null and alternative hypothesis
2. make a decision (retain or reject the null hypothesis, include the p value); conclusion