00:01
So our null and our alternate hypothesis will be as followed.
00:06
Our null hypothesis is that the mean is indeed 1 ,600 or 1 ,600.
00:14
Our alternate hypothesis is that the mean differs or does not equal that for ohio or for our samples test or sample size, which was 100.
00:27
So now i'm going to open up my calculator, and this is going to be a t test.
00:35
Because i do not know the standard deviation of the population.
00:40
So 1 ,600 goes in as my mean.
00:45
My sample mean was 1630.
00:48
The standard deviation was 200, and the sample size was 100.
00:56
And i want to test whether or not the sample is different.
01:11
So here is the information that i need...