Question

b. If the mean of 7,9,11,13,15, 17 and xis 13. which number is x?​

Answer 1

Answer:

7+9+11+13+15+17+x/7 = 13

72 + x = 91

x = 91-72

x = 19

Answer 2

Mean of the numbers = Sum of the numbers/Sum of the observations

13 = 7+9+11+13+15+17+x/7

91 = 72+x

x = 19

Here is your answer..

Hope it helps!!