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.
May 17, 2016. Massachusetts is full of history, and now the Bay State can lay claim to another time-honored title: the oldest living person in the United States. Goldie Michelson, who graduated from Clark University in Worcester in 1936, is officially the oldest person in the U.S. and the oldest Jewish person in the world, according to Clark. Sheâs currently 113 and will turn 114 in August. Michelson still lives in Worcester and spoke to her alma mater in 2012 when she was 110.