t-Test. Papers Introduction to the t-Test (University of Leicester) Describes the conditions that must be met in order to use of the test.Z-test and t-test are basically the same, they compare between two means to suggest whether both samples come from the same population.
Anchorage gets 22 hours of daylight on the longest day of summer. On the shortest day of winter, there are still seven and a half hours of daylight.
Sunshine & Daylight Hours in Nome, Alaska, Usa. 1  The longest day of the year is 20:43 long and the shortest day is 3:16 long. 2  The longest day is 17:26 longer than the shortest day.  There is an average of 1884 hours of sunlight per year (of a possible 4383) with an average of 5:09 of sunlight per day.