Jill buys a t-shirt for $12.79 and a pair of socks for $6.75 at the mall. How much did she spend?
2 answers:
You might be interested in
Answer:
What is the sample variance of bottle weight 2.33
Step-by-step explanation:
First find the mean. The mean of the bottle weight is obtained by taking the ratio of the sum of ages and total number of ages.
Mean = (4+2+5+4+5+2+6) / 7
= 28 / 7
= 4
Sample Variance =
=
= 2.33