Data Display
... Example 12.6 works with two groups of data; the second group (Stat 13) has 148 students. The sample is large so the t-confidence interval would work even if the distribution of the hours of sleep were not normal. The first sample (n=25) is not large and it is necessary to check its distribution befo ...
... Example 12.6 works with two groups of data; the second group (Stat 13) has 148 students. The sample is large so the t-confidence interval would work even if the distribution of the hours of sleep were not normal. The first sample (n=25) is not large and it is necessary to check its distribution befo ...
![Basic Statistics for SGPE Students [.3cm] Part I: Descriptive Statistics](http://s1.studyres.com/store/data/002931997_1-af108899cc799a2c662900117c090c1d-300x300.png)
