What is the value of t when the significance level alpha = 0.05 and our sample size is 12?  A) 1.771 B) 1.782 C) 1.796 D) 2.201

2) Now read the following data into R. Use R for all statistical procedures. Use R studio for the test.Sample Sample A            B0.7969 1.4731 1.2669 3.2137 1.5856 2.2486 0.4959 1.1156 0.5022 10.6207 0.5524 1.983510.3060 31.2243 0.6244 3.7984 1.9789 1.4710 1.6788 9.0351(a) Make q-q plots of both samples. (b) Perform a t-test (Welch's test). (c) Perform a MWU test. (d) Which test gave you the better p-value now? Why? (e) What is a “better” p-value? Why? (f) This is two sided - why?

A. For which data set is the sample correlation coefficient r closest to −1? B. For which data set is the sample correlation coefficient r closest to 0? C. For which data set is the sample correlation coefficient r equal to 1?

11)

Given a set of normally distributed scores with the mean of 20.00 and SD of 5.00, what proportion of scores are  a) between 10 and 28 b) between 15 and 32

To decide between using an independent-samples t test and a paired-samples t test, what question should the researcher ask? a. Is the goal to measure association or to make a prediction? b. Are there more than two levels of the independent variable? c. Is the population mean known? d. Is the research design between-groups or within-groups

32)