I don't understand the formulas and rationales for the attached. I also don't have the correct version of excel to use the tool pack I need so I am doing everything manually. I am doing the work on my own but want to make sure it is somewhat correct prior to turning in. Any help would be appreciated. Thank you.
Can you please help me with the following questions? I have to write a paper in APA format and this is part of the paper is what I'm stuck on. Thank you in advance.
1.) Explain the purpose of null hypothesistesting and provide examples of hypothesis that may be tested with the data set. (attached is the data).
A sample of 120 observations revealed that p = .30. At the 0.05 significance level, can the null hypothesis be rejected?
a) state the decision rule
b)compute the value of the test statistic
c)what is your decision regarding the null hypothesis?
1. What value is business research and hypothesistesting to a company?
Start by defining business research and the steps in hypothesistesting. Then explain the value of business research and hypothesistesting using your organization as an example.
2. What is the "perfect" standard normal distribution? Explain your answer