Week 5 Lab Assignment

Week 5 Lab Assignment Name:_Mary McBride_ Instructor Name: Brown 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.) Mean Height in Inches 67.9 inches Sample Standard Deviation in inches 2.18 inches Your Height in Inches 65 inches 1
1b. Post a screen shot in the space BELOW of the portion of the spreadsheet that helped you determine these values. Please list the 10 heights your professor provided first followed by the 10 heights you collected. There should be 20 values to determine the mean and sample standard deviation. 1c. Answer the following two questions (Answer in complete sentences). 2
How does your height compare to the mean (average) height of the 20 values? Is your height taller, shorter, or the same as the mean of the sample? According to these values I am below average height of the values provided. I am shorter than the mean of the sample. Step 2. Data Characteristics 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? The participants were chosen at random but from the same locality which is a type of convenience sampling. 2. What part of the country did your study take place in? The study took place in San Antonio, Tx. 3. What are the age ranges of your participants? The age ranges of my participants are 11-41. 4. How many of each gender did you have in your study? 3
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