1) Your hypothesis is that scores will behigher in the sampleof students who are randomly selected to attend a review session for the examthan in therest of thepopulationof students who were not selected to attend. If alpha = .05 andz-obtained = -2.21, which of these is/areTRUE?

a. You should conclude that attending the review sessioncausedyour sample to havea lower scorethan the rest of the class on the exam.

b. You should conclude that attending the review sessiondid NOT causeyour sample to havea higher scorethan the rest of the class on the exam.

c. You should conclude that attending the review sessioncausedyour sample to havethe same or a lower scorethan the rest of the class on the exam.

d. You should conclude that attending the review sessioncausedyour sample to havea higher scorethan the rest of the class on the exam.

e. You should retain the null hypothesis.

f. You should reject the null hypothesis.

*can you also draw and label the figure needed to ensure that I answer this correctly so I can do it for my future exams and quizzes?*

2) Your hypothesis is that a new form of psychotherapy will affect people's spending on vacations. If alpha = .05 andz-obtained = 0.35, which of these is/areTRUE?

a. You shouldretainthe null hypothesis.

b. You should conclude that this therapycausedyour sample to spendlesson vacations than the population mean.

c. You should conclude that this therapydid NOT causeyour sample to spend a different amount on vacations than the population mean.

d. You should conclude that this therapycausedyour sample to spendthe same amounton vacations as the population mean.

e. You shouldrejectthe null hypothesis.

f. You should conclude that this therapycausedyour sample to spendmoreon vacations than the population mean.

*can you also draw and label the figure needed to ensure that I answer this correctly so I can do it for my future exams and quizzes?*