Question

Bill recorded the weights of 8 of his classmates pets he recored 1 pund, 3 pounds, 3 pounds, 1 pounds, 1 pounds, 6 pounds, 4 pounds, 5 pounds. what was the mean weight of the pets in pounds?

Answer 1

Bill recorded the weight of 8 of his classmate's pets:

1, 3, 3, 1, 1, 6, 4, 5

To calculate the average weight of the pets you have to add all weights and divide it by the sample size:

$X_{\text{bar}=}\frac{\Sigma x_i_{}}{n}$$X_{\text{bar}}=\frac{1+3+3+1+1+6+4+5}{8}=\frac{24}{8}=3$

The average weight of the pets is 3 pounds