QUESTION 39

1. You have a good prior reason for predicting the direction of your experimental results before collecting any data, you can use:
2. Two Tail Test
3. One tail test
4. Binomial Test
5. Single Sample T-test

40

1. "In a t-test we have decided to use a two tailed alpha = 0.05. If, in fact, the null hypothesis is true, what is the probability of making a Type I Error?"
2. 0.10.050.95Not enough information

41

1. "Given the scenario below, what is the appropriate test to use? Americans typically take off 5 sick days each year, with a standard deviation of 2 days. A researcher would like to know whether psychiatrists take off fewer sick days than the average American. The researcher obtains a sample of 16 psychiatrists who, on average, take 3 days of sick leave a year. Test this researcher s hypothesis using an alpha level of .01. "
2. paired samples t-testZ-testBinomial TestSingle Sample t-test