The single-sample t-test compares the mean of the sample to a given number (which you supply). The dependent-sample t-test compares the difference in the means from the two variables to a given number (usually 0), while taking into account the fact that the scores are not independent.The independent samples t-test compares the difference in the means from the two groups to a given value (usually 0).he single sample t-test tests the null hypothesis that the population mean is equal to the given number specified using the option H0=. In our example, the t-value for variable write is 4.14 with 199 degrees of freedom.
Vermont had the second-highest median age, at 42.3 years. New Hampshire was third, with a median age of 42. Utah was the youngest state, with a median age of 29.9 years. Officials say among Maine counties, Lincoln is the oldest with a median age of 49.4 years. Androscoggin County was the youngest, at 40.5 years.
The other youngest House delegations in the country are Arkansas at 45 years, Oklahoma, Indiana, and Hawaii at 46, Nebraska at 48, Rhode Island at 49, and the single-member state of Montana at 50. Overall, the average age of the 433 U.S. Representatives currently serving in the House is 57 years old. The average aggregated state delegation age for the nine Northeastern states is 58 years old, with the 16 Southern states and 13 Western states at 55 and the dozen Midwestern states at 52. Average Age and Birth Year of U.S. House Delegations by State, 113th Congress