me again, last one, I did the work but I am hoping someone can - TopicsExpress



          

me again, last one, I did the work but I am hoping someone can check my answers According to the FBI the mean value lost to purse snatching in 2004 was $417. a) Determine at a 5% significance level if the value last year has decreased from 2004. Last years mean was $404 with a sample standard deviation of $86.80. n=100 this is what I decided and answered, left tail n=100 s=86.80 p=1 z=8.6667 z test because my n is large well?
Posted on: Mon, 08 Dec 2014 05:15:37 +0000

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