Question

What's the mean number of kernels per row in the sample of ears?

Answer 1

We know that the mean of a samples if given by:

$\mu=\frac{x_1+x_2+\cdots+x_n}{n}$

So we replace our data so:

$\mu=\frac{49+52+48+52+54+51+53+\ldots+48+52}{20}$

and we solve so:

$\mu=\frac{1023}{20}=51.15$