Author Question: If a hypothesis test for a single population variance is to be conducted, which of the following ... (Read 78 times)

berenicecastro · **on:** Jun 24, 2018

If a hypothesis test for a single population variance is to be conducted, which of the following statements is true?

A) The null hypothesis must be stated in terms of the population variance.
B) The chi-square distribution is used.
C) If the sample size is increased, the critical value is also increased for a given level of statistical significance.
D) All of the above are true.

Question 2

Recently a study of fans attending the New York Mets baseball games was conducted and 500 fans were surveyed.

In forming a frequency distribution of the number of miles fans traveled from home to the stadium, it was found that 247 fans traveled between 0 and 5 miles. Based on this information what was the relative frequency for this class?A) 0.247
B) 0.30
C) 0.494
D) Can't be determined without more information.