I’m working on a statistics exercise and need an explanation and answer to help me learn.
Q1/ Consider the statement “65% of US households celebrated Halloween in some way.”
a. What is the implied population?
b. What is the variable?
c. What parameter is used in the statement?
Q2/ You are going to conduct a hypothesis test to validate the claim that 65% of US households celebrated Halloween. What is the alternate hypothesis for the test? chose one of the following options
a/ p > 0.65
b/ p = 0.65
c/ p < 0.65
d/p not equal to 0.65
Q3/ A professor believes that at least 60% of her students are from Florida. If you were to conduct a hypothesis test to determine the validity of the statement, what is the alternate hypothesis for the test?
a/p = 0.60
b/p > 0.60
c/p < 0.60
d/p > 0.60
Q4/What are the two conclusions or decisions that can result from a hypothesis test?
Q5/ An article recently stated that 90% of Americans will celebrate Thanksgiving with family. You conducted a hypothesis test at the .05 level to determine the validity of the claim. You obtained a P value of 0.92. What decision should you make?
a/I have no earthly idea!
b/Fail to reject the null hypothesis. I can support the claimed proportion of 90%
c/Fail to reject the null hypothesis. I have proven that the claimed proportion of 90% is correct
d/Reject the null hypothesis. I cannot support the claimed proportion of 90%.
0 comments