4. A sample has a mean of M - 30. If each score in the sample is multiplied by 5, then what is the mean for the new distribution? A. 150 B. 35 C. 25 D. 7 5. A population has SS = 125 and = 5. How many scores are in the population? A. 50 B. 125 C. 120 D. 25 6. A population has a standard deviation of 6. If 10 points were added to every score in the population, what would be the new standard deviation? A. 60 B. 16 C. 4 D. 6