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# Discussion 7

Go
to a local library; collect a sample of books consisting of the ages of
book (based on copyright dates). Plan and describe the sampling
procedure, then use the results to construct a confidence interval
estimate of the mean age of all books in the library.

## Quantitative Data Results

I have provided you with my data for the survey question: “What knowledge and experience have you acquired on each of the following”. There were two participant groups. Group 1 completed a mental health course, Group 2 did not complete a mental health course. Therefore, it is important to report the results for these groups separately – DO NOT COMBINE THEM please.
In a Microsoft Word document, clearly and concisely write up (summarize) the results for each group of participants. This should not take long – please just report the summative values, as you would report them in a Results section for a thesis or dissertation.

## Topic 4 Homework

Statistics Assignment Help Create an 8-10 slide PowerPoint to discuss the findings for either the chi-square or correlation findings. For the presentation of your PowerPoint, use Loom to create a voice-over or a video. Refer to the topic resources for additional guidance on recording your presentation with Loom. Include an additional slide for the Loom link at the beginning, and an additional slide for references at the end.
Include the following:
Explain why the statistical test is most appropriate for analyzing the data and whether the assumptions were met.
What are the null and alternative hypotheses?
What is the decision rule?
What is the test statistic and p-value?
How do you interpret the results? (What was done? What was found? What does it mean? What suggestions are there for the creation of a health promotion intervention?)

## Discussion 8 and 2 replies

Discussion 8: Work Hard, Drink Hard
Have a look at the study, based on a meta-analysis, in https://slate.com/business/2015/08/study-says-work… Notice that the meta-analysis includes data from unpublished studies, as well as some published studies. Does that matter? In general, why is a meta-analysis necessary? Seems easy to measure working and drinking, right? Or not? And what about different samples? What other “what abouts” create variation across the studies included in the meta-analysis. In then end, are the results helpful or do you think they lack credibility?
REMEMBER: First, you must respond to the questions posed in the discussion. Once you’ve done that, take some time and reply to at least two classmates’ discussion posts. Each peer response will include at least one positive observation (i.e., what do you agree with, appreciate, or find interesting? why?) and at least one critique (what would you change? what is unclear, needs more support, or further explanation? why?). Remember, you must post 3 times (your original response and 2 responses to classmate’s comments) to receive full credit.

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