Calculate the mean of the following set of sample scores: 1, 3, 4, 6, 6.
a. Add a constant of 2 to each score. Calculate the mean for the new values. Generalize to answer the question, "What is the effect on the mean of adding a constant to each score?"
b. Subtract a constant of 2 from each score. Calculate the mean for the new values. Generalize to answer the question, "What is the effect on the mean of subtracting a constant from each score?"
c. Multiply each score by a constant of 2. Calculate the mean for the new values. Generalize to answer the question, "What is the effect on the mean of multiplying each score by a constant?"
d. Divide each score by a constant of 2. Calculate the mean for the new values. Generalize to answer the question, "What is the effect on the mean of dividing each score by a constant?"