this week you will begin working on Phase 4 of your course project. For Phase 4 of your course project, you will want to review your instructor's feedback from your Phase 1, Phase 2, and Phase 3 submissions to make any necessary corrections. Remember if you have questions about the feedback to ask your instructor for assistance. Once you have made your corrections, you will compile your information from Phase 1, Phase 2, Phase 3 and your final conclusion into one submission and submit this as your rough draft for Phase 4 of the course project. Below is a summary of the expectations for Phase 4 of the course project: Introduce your scenario and data set. Provide a brief overview of the scenario you are given above and the data set that you will be analyzing. Classify the variables in your data set. Which variables are quantitative/qualitative? Which variables are discrete/continuous? Describe the level of measurement for each variable included in your data set. Discuss the importance of the Measures of Center and the Measures of Variation. What are the measures of center and why are they important? What are the measures of variation and why are they important? Calculate the measures of center and measures of variation. Interpret your results in context of the selected topic. Mean Median Mode Midrange Range Variance Standard Deviantion Discuss the importance of constructing confidence intervals for the population mean. What are confidence intervals? What is a point estimate? What is the best point estimate for the population mean? Explain. Why do we need confidence intervals? Based on your selected topic, evaluate the following: Find the best point estimate of the population mean. Construct a 95% confidence interval for the population mean. Assume that your data is normally distributed and σ is unknown. Please show your work for the construction of this confidence interval and be sure to use the Equation Editor to format your equations. Write a statement that correctly interprets the confidence interval in context of your selected topic. Based on your selected topic, evaluate the following: Find the best point estimate of the population mean. Construct a 99% confidence interval for the population mean. Assume that your data is normally distributed and σ is unknown. Please show your work for the construction of this confidence interval and be sure to use the Equation Editor to format your equations. Write a statement that correctly interprets the confidence interval in context of your selected topic. Compare and contrast your findings for the 95% and 99% confidence interval. Did you notice any changes in your interval estimate? Explain. What conclusion(s) can be drawn about your interval estimates when the confidence level is increased? Explain. Discuss the process for hypothesis testing. Discuss the 8 steps of hypothesis testing? When performing the 8 steps for hypothesis testing, which method do you prefer; P-Value method or Critical Value method? Why? Perform the hypothesis test. selected Option 1: Original Claim: The average salary for all jobs in Minnesota is less than $65,000. Test the claim using α = 0.05 and assume your data is normally distributed and σ is unknown. Based on your selected topic, answer the following: Explain why you made your decision including the results for your p-value and the critical value. Conclusion Recap your ideas by summarizing the information presented in context of your chosen scenario. Please be sure to show all of your work and use the Equation Editor to format your equations.

After considering Mary's study into whether the learning of 6th graders on a math lesson is affected by background noise levels. Mary option of utilizing a repeated measures design for this study, as a repeated-measures study allows for the management of the sample size of the overall study which is one of the major benefits of the repeated-measures study, issues arise in the repeated-measures study due to the use of identical participants found in the group instead of conducting the study with differing samples to increase the variety of the sampling of students participating in the study (Gravetter & Wallnau, 2013). For the study the use of SPSS will allow Mary to select an ANOVA as a form of analysis for the effect of background noise levels on the 6th grade students when given a math lesson. Additionally, ANOVA does not require tabulated data sets as an input or for the data to be sorted for the completion of the analysis, particularly with the ONEWAY ANOVA analysis providing for seven different test statistics for posteriori analysis and the ability to run priori as a subprogram of the ONEWAY ANOVA analysis, and ANOVA permits Mary to acquire analyses of variance for factorial designs, tolerating up to five factors in each design. (Kim & Kohout, 1975).Response to the above question using 150-250 words and please use at least 1 reference. Please ensure there is also a reference page at the end and that the reference page is formatted in APA 6th edition format. Please also ensure that reference is listed in response properly.