1. 3. A t-valne tries to estimate which of the following: a. zseore b. df 13.11 d. probability 2. A sample has an n of 99. What is the df of this sample? 3. A sample of n = 15 seores has SS = 350. What is the variance for the sample? a. 21.9 b. 25 e. 5 d. 4.? 4. A sample of n= 9 has SS = ?2. What is the estimated standard error? a. 1 b.2 e.3 d. None of the above 5. A sample with variance s1 = 63 has an estimated standard error 5.. of 3 points. How mans scores are in the sample