Question

find the mean: 3,5,7,911,13,15​

Answer 1

Mean = sum of all the observations / total number of observations.

3+5+7+9+11+13+15 / 7 = 63/7= 9.

hope it helps you ❤✌❤✌❤

Answer 2

What is mean?

Mean is the average of a given set of numbers. Mean is also known as Average or Arithmetic mean.

Mean = $\dfrac{Sum\:of\:observations}{Number\:of\:observations}$


Now, coming to your question :

Correct question = Find the mean of 3, 5, 7, 9, 11, 13, 15

$\boxed{\boxed{\tt{Solution :- }}}$

Mean = $\dfrac{Sum\:of\:observations}{Number\:of\:observations}$

➾ $\dfrac{3 + 5 + 7 + 9 + 11 + 13 + 15}{7}$

➾ $\dfrac{63}{7}$

➾ 9


∴ The mean of 3, 5, 7, 9, 11, 13 and 15 is $\underline{\underline{\tt{\red{9}}}}$


$\large{\boxed{\boxed{\tt{Thanks}}}}$