Find the average. 11,16,15,22 A.64 B.15 C.17 D.16

Mathematics

2 answers:

Artemon [7]2 years ago

7 0

Your answer is D)16. To find the average, add up all the numbers and divivde by the number of numbers there is

Angelina_Jolie [31]2 years ago

4 0

To find the average, add all of the numbers and then divide by how many numbers there were.
So:
11 + 16 + 15 + 22 = 64
64 / 4 = 16

Your answer is D. 16. Hope this helps!

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The margin of error for the proportion interval is given by this:

$ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}$ (a)

We want for this case a 95% of confidence desired, our significance level would be given by $\alpha=1-0.95=0.05$ and $\alpha/2 =0.025$ . And the critical value would be given by: