A sample is selected from a population with a mean reading score of µ= 50. A new reading strategies treatment is administered to 16 individuals in a sample (n=16). The reading scores after the reading...

A sample is selected from a population with a mean reading score of µ= 50. A new reading strategies treatment is administered to 16 individuals in a sample (n=16). The reading scores after the reading strategies treatment is found to be M = 55 and SS = 960. Was the reading strategies treatment effective?

a. Use a two-tailed test with a = .05. Conduct the four steps for hypothesis testing and label each step: Step1, Step 2, Step 3, and Step 4.

b. Calculate Cohen’s d.

c. Are the data sufficient to conclude that thier is a significant difference? Write your answer in the form of a sentence.