From a population that is normally distributed, a sample of 25 elements is selected and the standard deviation of the sample is computed. For the interval estimation of µ, the proper distribution to use is the

Essay Question:  1(c). Construct a 95% confidence interval for the true proportion of people who liked the chocolate bar. 

The absolute value of the difference between the point estimate and the population parameter it estimates is

Essay Question: 3(c). At 99% confidence, test the hypotheses using the p-value approach. 

If a hypothesis is not rejected at the 5% level of significance, it

Refer to Exhibit 2. It is known that the computer prices manufactured by MNM are normally distributed. If 513 of the MNM computers were priced at or below $647.80, how many computers were produced by MNM?

For the following observations, a scatter diagram is plotted. What kind of relationship (if any) does it exist between x and y?  

Essay Question:  4(b). Use the empirical rule to state the percentage of annual sales between 1255 and 9181 (millions of dollars). 

Essay Question: 2(a). Compute row percentages of the above table.

Essay Question: 3(e). Compute the coefficient of variation.