Ask Question
28 January, 15:16

Rylan is calculating the standard deviation of a data set that has 9 values. He determines that the sum of the squared deviations is 316. What is the standard deviation of the data set? Round the answer to the nearest tenth

+5
Answers (1)
  1. 28 January, 15:20
    0
    The formula for the sum of the squares of the deviations is

    SS = s² (N - 1)

    We are given

    SS = 316

    N = 9

    Substituting

    316 = s² (9 - 1)

    Solving for s

    s = 6.28

    The standard deviation is 6.28
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Rylan is calculating the standard deviation of a data set that has 9 values. He determines that the sum of the squared deviations is 316. ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers