Lab_8_-_July_27,_2009 - STAT2507ALab8July27,2009...

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STAT2507A – Lab 8 – July 27, 2009 Introduction This lab will continue the work on the NLSCY survey from lab 6 (see lab 6 for more details on  the NLSCY). Exercises 1 – constructing a confidence interval Produce a test of the hypothesis that the average weight of 16-17 year olds is 65 kilogram using  the sample with an alpha = 5%. Steps: 1) Import data. Review questionnaire. Find relevant variable. Deal with missing values.  (see previous labs) 2) A hypothesis test on a mean can be done using Stat->Basic Statistics->1 Sample z. 3) To conduct the test using the 1 Sample Z, the population standard deviation is required.  Typically, the population standard deviation is estimated by the sample standard  deviation. Exit the 1 Sample Z dialogue and get an estimate for the sample standard  deviation (Use: descriptive statistics). 4)
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This note was uploaded on 05/24/2011 for the course STAT 2507 taught by Professor Masoudmollaalizadehnasari during the Summer '09 term at Carleton CA.

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Lab_8_-_July_27,_2009 - STAT2507ALab8July27,2009...

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