Question

Question 5 Unsaved
Which data set has the same standard deviation as the data set {2, 2, 5, 6, 8} ?

Question 5 options:

{5, 6, 5, 6, 5}


{3, 4, 4, 7, 7}


{3, 3, 6, 7, 9}


{4, 4, 5, 5, 5}

Answer 1

Its  {3, 3, 6, 7, 9}

because the difference in values of 6  and the other numbers are the same as difference between 5 and the other numbers in { 2, 2, 5, 6, 8}

Answer 2

the answer is {3,3,6,7,9}