Stats lab 8

Stats lab 8 - Daniel Karlin Stats 111 11:45 Lab time 1 a b...

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Daniel Karlin Stats 111 11:45 Lab time 1. a. b. The null hypothesis is that depression in the caffeine sample is equal to depression in the placebo sample. The alternative hypothesis is that depression is lower in the caffeine sample. There are 10 degrees of freedom with a test statistic of -3.53 and a p-value of 0.0027. This results in us rejecting the null hypothesis as there is sufficient evidence that depression levels are lower in the caffeine case. 2. (-12.57, 52.93). There is not enough evidence to conclude that motor functions are altered by
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  • Fall '19
  • NoProfessor
  • Statistics, Null hypothesis, Statistical hypothesis testing

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