ASSIGNMENT In this lab, we will begin to develop the concepts found on testing for independence in chapter 6, section 4. be sure to: Follow all instructions. Answer each question completely. Include JMP output to help demonstrate and support your answers. You will be submitting your lab in Gradescope. Save the file for the lab […]
State appropriate null (Ho) and alternative (H1) hypotheses. What is the critical value if we work with a significant level α = 0.05?
Discussion Consider the following scenario: An industrial seller of grass seeds packages its product in 50-pound bags. A customer has recently filed a complained alleging that the bags are underfilled. A production manager randomly samples a batch and measures the following weights: Weight, (lbs) 45.6 49.5 47.7 46.7 47.6 48.8 50.5 48.6 50.2 51.5 46.9 […]
Discuss how the p value relates to the significance level. Compare the p value and significance level, and make a decision to reject or fail to reject the null hypothesis.
Hypothesis Testing for Regional Real Estate Company Introduction Include in this section a brief overview, including the purpose of this analysis. Briefly describe how you generated your random sample of size 750. Setup Define your population parameter. Write the null and alternative hypotheses. Note: Remember, the salesperson believes that his sales are higher. Specify […]
What is the standard deviation in the population of the outcome variable?
Sampling INTRODUCTION Inference is a statistical concept that pertains to drawing conclusions from a subset of evidence (a sample). Let us say the mean score on a leadership measure (a population parameter) was known to be 100. (Note: In practice, we rarely know the values of population parameters.) Next, we take a random sample of […]