Find the mean and standard deviation for the set of data. {7,21,19,18,16,11,5,14,15}
A. mean: 14; standard deviation: 5.2
B. mean: 15; standard deviation: 5.2
C. mean: 15; standard deviation: 5.1
D. mean: 14; standard deviation: 5.1

im not sure

step-by-step explanation:

square root of 36/6 = 2.449489743

square root of 16/6 = 1.632993162

square root of 6 = 2.449489743

the answer is square root of 16/6 because the square root of 36/6 is the same answer as square root of 6 = 2.449489743

step-by-step explanation: the answer for wha if rt is 10 centimeters long, and wha is st? it’s 6

2

step-by-step explanation: