Question

A machine that is programmed to package 1.20 pounds of cereal is being tested for its accuracy In a sample of 36 cereal boxes, the sample mean filling weight is calculated as 1.22 pounds. The population standard deviation is known to be 0.06 pound. Identify the relevant parameter of interest for these quantitative data

Answer 1

The standard deviation

Explanation:

Is the most relevant parameter because permit analyze the performance of the machine. Of this parameter we conclude that the machine is adding, on average, 0.06 pounds more than the mean, which is 1.22.

The machine is filling, on average, much more of cereal than the parameter programmed.