Standard deviation

Question

Find the mean and standard deviation for the set of data

{16,22,8,5,20,18,14,17,24}

A. Mean: 16; standard deviation: 5.87

B. Mean: 16; standard deviation: 5.95

C. Mean: 17; standard deviation: 5.87

D. Mean: 17; standard deviation: 5.95

Answer 1

Hi Tayra V,

Correct answer is A

Once you have the mean, subtract the mean from each given value and square it. then find the mean of all these squared values and find its square root. [√(310/9)] = 5.868

For further clarification, let me know. If you or someone you know, is looking for private tutoring, keep me in mind. Thanks

Mr. A (Frank Ansari)