The mean of the values in a data set is b. If each of the values in the data set were multiplied by 8, what would be the mean of the resulting data?
A. 8b
B. 76
C. 9b
D. b

Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?

What numbers are included in the set of integers? what numbers are not included?

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?