Assume That a Simple Random Sample Has Been Selected from a Normally

question 59

Essay

Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Use either the traditional method or P-value method as indicated.
Identify the null and alternative hypotheses, test statistic, critical value(s)or P-value (or range of P-values)as appropriate, and state the final conclusion that addresses the original claim.
A cereal company claims that the mean weight of the cereal in its packets is 14 oz. The weights (in ounces)of the cereal in a random sample of 8 of its cereal packets are listed below. $\begin{array} { l l l l l l l l } 14.6 & 13.8 & 14.1 & 13.7 & 14.0 & 14.4 & 13.6 & 14.2\end{array}$ Test the claim at the 0.01 significance level.

---

Definitions:

Labor Force

The total number of people aged 16 and over who are either employed or actively seeking employment.

Employed Category

A classification used in labor statistics to describe individuals who are currently employed and working.

Unemployed Category

A classification of individuals who are without a job, actively seeking work, and available to take up employment but are unable to find a job.

Unemployment Rate

The proportion of job-seekers in the labor force who do not currently hold employment.