SLP4

SLP4 Write a 1 page paper answering the questions; •    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? The data has been provided below: Data How much time I spent driving Mon 7/13/15 Home to gym- 8 min Gym to home – 11 min home to work – 9 min Work to home 12 min Tues 7/14/15 Home to gym- 9 min Gym to home – 11 min home to work – 9 min Work to home 15 min Wed 7/15/15 Home to gym- 9 min Gym to home – 11 min home to work – 9 min Work to home 13 min Thur 7/16/15 Home gym – 10 Gym to home – 12 min home to work – 9 min Work to main office – 5 min Main office to work  - 5min Work to home 15 min Friday 7/17/15 Home to gym- 9 min Gym to home – 11 min home to work – 9 min Work to home 13 min Sat 7/18/15 Home to store – 2 min Store to home – 2 min Sun 7/19/15 No driving Mon 7/20/15 Home to gym- 9 min Gym to home – 12 min home to work – 9 min Work to home 12 min Home to store 2 min Store to home 2 min Tues 7/21/15 Home to gym- 9 min Gym to home – 11 min home to work – 9 min Work to home – 10 Home to work -10 Work to home 13 min Weds 7/22/15 Home to gym- 9 min Gym to home – 11 min home to work – 9 min Work to home 13 min Thur 7/23/15 Home to gym- 9 min Gym to home – 11 min home to work – 9 min Work to home – 9 min Home to cable store – 20 min Cable store to work  – 30 min Work to main office – 5 min Main office to work – 5 min Work to phone store  - 15 min Phone store to home – 15 min Fri 7/24/15 Home to gym- 9 min Gym to home – 12 min home to work – 9 min Work to home 15 min Sat 7/25/15 Home to store- 1 min Store to home – 1 Sun 7/26/15 No driving Mon 7/27/15 Home to gym- 8 min Gym to home – 10 min home to work – 10 min Work to home 12 min Tues 7/28/15 Home to gym- 9 min Gym to home – 10 min home to work – 10 min Work to home 12 min Weds 7/29/15 Home to gym- 9 min Gym to home – 10 min home to work – 11 min Work to home 12 min Thurs Home to gym- 9 min Gym to home – 10 min home to work – 10 min Work to home 14 min Sources Digital Readings Read section D from Lane, D. M., & Hebl, M. (n.d.). Online Statistics Education: Introduction. Retrieved fromhttp://onlinestatbook.com/2/introduction/introduction.html Read sections A–H from Lane, D. M. (n.d.). Online Statistics Education: Research Design. Retrieved fromhttp://onlinestatbook.com/2/research_design/contents.html 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 fromhttp://www.socialresearchmethods.net/kb/sampling.php Videos and Exercises Using the websites below, watch the videos and complete the practice exercises for the topics inBOLD: Khan Academy. (2014). Statistical studies. Retrieved fromhttps://www.khanacademy.org/math/probability/statistical-studies •    Types of statistical studies (3 videos, 1 practice exercises) Khan Academy. (2010). Surveys and samples. Retrieved from http://www.youtube.com/watch?v=nabw6v93Xns Optional Easton, V.J., & McColl, J.H. (n.d.). Statistics glossary. Retrieved fromhttp://www.stats.gla.ac.uk/steps/glossary/sampling.html