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This lab assignment focuses on analyzing height data using statistical methods. Students collect height data, calculate mean and standard deviation, and apply the empirical rule to interpret the distribution of heights. The assignment also explores the concept of normal distribution and its application to the data. This lab provides practical experience in data analysis and statistical interpretation.
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1 Week 5 Lab Assignment Name: Rebecca Dorcely Instructor Name: Professor Tesar Please use this template to help answer the questions listed in the lab instructions. The “steps” below refer to the steps listed in the lab instructions. Type your answers and post your screenshots in the spaces given below. Then, save this document with your name and submit it inside the course room. Step 1. Gather Data Your instructors will post 10 data values to use for this lab. The data values represent the HEIGHTS of 10 people. Please reach out to your instructor if you did not receive the assigned 10 data values for the term by Monday of Week 5. ( NOTE: This is NOT the data used in the lab video, which is about midterm grades. Do not use the midterm grades data.) 1a. Gather 10 MORE of your own to add to the 10 provided by your instructor. Do the following: Survey or measure 10 people to find their heights. Determine the mean and standard deviation for the 20 values by using the Week 3 Excel spreadsheet. (Round statistics to two decimals.) 53 58 60 67 67 67 68 69 72 74 58 75 42 50 51 80 75 75 69 70 Mean Height in Inches 65. Sample Standard Deviation in inches
Your Height in Inches 58
Answer the following questions to give some background information on the group of people you used in your study. Write in complete sentences.
1. How did you choose the participants for your study? What was the sampling method: systematic, convenience, cluster, stratified, simple random?
Answer the following questions. Use the Week 5 Excel spreadsheets to help analyze the data. Empirical Rule
1. Determine the 68%, 95%, and 99.7% values of the Empirical Rule in terms of the 20 heights in your height study. (Use the Empirical Rule tab from the spreadsheet). 68% 54.87 75. 95% 44.74 85. 99.7% 34.61 95. 2. What do these values tell you? Write complete sentences explaining what the values in the Empirical Rule tell you in the context of the data.