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Module 4 – SLP Assignment


Sampling, Hypothesis Testing, and Regression






In this assignment, you will continue to collect data for another 5–10 days. Write a paper (1- to 3-page, typed Word document) including all of the following content:


  • Recalculate the mean, standard deviation, and variance.

  • Is your mean increasing or decreasing?

  • Explain the effects of the larger sample size in relation to your data.

  • Do you think the current sample you have is enough to draw an accurate conclusion, or do you need a larger sample? 

  • What conclusions can you draw from comparing both sets of data?

    Submit your paper at the end of Module 4.

    SLP Assignment Expectations

    Answer all questions posted in the instructions. Use information from the modular background readings and videos as well as any good-quality resource you can find. Cite all sources in APA style and include a reference list at the end of your paper.

    Note about page length: Your ability to clearly articulate and explain these concepts is being assessed. The page length is a general guideline. A 3- or 4-page paper does not necessarily guarantee a grade of “A.” An “A” paper would include detailed information and explanations of all the assignment requirements listed above. The letter grade will be based upon demonstrated mastery of the content and ability to articulate and apply the concepts in the assignment. Keep this in mind while writing your paper.

    Your paper should follow the academic writing format and APA format given in "Writing Style Guide"

    #####The below is from my previous paper that describes the data to be continued collected and used in the paper.  Please ensure you read the instructions carefully and the 3rd page below has references that at least 3 must be used.  Need a great paper.  T

    In this paper, I will discuss the amount of time I take each day preparing my meals. Often, I cook three meals per day for family and neighbors. I will keep track of the time by using taking notes of the time that I start preparing a meal and the time I stop. I will then find out the difference between these times. From the observation, the following table presents the data for 10 days concerning the amount of time I take to prepare a meal.



Time (mins)
























The amount of time that I take to prepare the meals each day is uncertain and depends on different factors such as the types of food, the number of meals,  the number of family members and visitors present, the time I spend away from home during meal times, and other emergencies such as day outs with friends.


In this case, the amount of time taken is the dependent variable and depends on the variables that are highlighted. On average, I prepare three meals per day and each of them takes approximately twenty-minutes to prepare. However, this time is probabilistic since I am not certain that I will prepare three meals daily or that each of them will take twenty minutes to prepare. Some cases will cause variations in the number of meals and time used to prepare them. For example, there would be some emergency situations that will not allow me prepare the meals such as illnesses, day outs with friends or realitives, or even having visitors at home. Probability is placed on the time since it usually involves uncertainties in occurrences, (Rudas, 2008). One cannot be 100% certain that each of the activities will go on as planned. As such, I expect to spend different amounts of time each day to prepare the meals. The data will provide a valid representation of the activities since I will be recording the times myself and will highlight the variations indicated above.






















Rudas, T. (2008). Handbook of probability: Theory and applications. Los Angeles: Sage Publications.






Module 4 – Background References.   Must use at least 4..


Sampling, Hypothesis Testing, and Regression


You can download the full, digital version of a statistics book using the link below. (Version in PDF, on the left side)


Lane, D. M.  (n.d.). Online Statistics Education: A multimedia course of study. Retrieved from


Required Materials


Digital Readings


Read section A-K from


Lane, D. M., & Hebl, M. (n.d.). Online Statistics Education: Introduction. Retrieved from


Read sections External Validity, Sampling Terminology, Statistical Terms in Sampling, Probability Sampling, and Nonprobability Sampling from


Trochim, W.M.K. (2006).  Research methods knowledge base: Probability sampling. Retrieved from


Trochim, W.M.K. (2006).  Research methods knowledge base: Hypotheses. Retrieved from


Smith, M.K. (2012). Common mistakes in using statistics. Retrieved from


Videos and Exercises


Using the websites below, watch the videos and complete the practice exercises for the topics in BOLD:


Khan Academy. (2014). Statistical studies. Retrieved from




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