Dr. Richards examined which cereal people liked better: Cocoa Puffs or Rice Krispies.

A total of 20 participants were recruited. The 20 people were randomly assigned to eat one cereal or the other (half rated one cereal and half rated the other).

Cocoa Puffs got an average rating of 7.8 on a 10 point scale. But Rice Krispies only got an average rating of 5.2. This is a statistically significant difference at the alpha level of .05.

The value of t-obtained was 3.674 according to the hand calculations Dr. Richards performed.

Write a complete conclusion in APA style, which includes both an explanation in words and a statement of the statistical results.

Continuing with Dr. Richards experiment about whether people preferred Cocoa Puffs or Rice Krispies, recall that two independent groups of participants the cereals on a 10 point scale. Now you are being told thatr²=.4280 sowrite a conclusion describing what this result means.