QUESTION 1 Given the following equation, what effect does the 'degree' variable have upon y y = 3 + 0.5 (age) - 2 (degree) + 1.25 (sex) O doubling O educating O positive O increasingQUESTION 3 Which test is the most appropriate to compare the mean incomes (measured in dollars per year) between women and men? O One-way ANOVA O Chi-square O Frequencies O Independent samples t-test O Pearson's correlationQUESTION 4 Inferential statistics use pvalues to indicate the likelihood that significant differences or associations exist in the population, based on the analysis of sample data. True False QUESTION 5 In which instance would you choose to conduct post-hoc comparisons? If you reject the null hypothesis (which stated that at least three groups' means were not equivalent) If you need to determine which group means are significantly different from each other As the last step of an ANOVA analysis if the F statistic is associated with p 1.96. O We should reject the null hypothesis because p