frequencies	Tina's class	not in Tina's class
completing the face test	3	8
not completing the face test	9	5

Here is a cross table summarising the frequencies of students completing and not completing the test, for those students in Tina's class versus those not in Tina's class.

Question:

Use a chi-squared test of association to determine whether or not completing the face test is related to Tina's class, using = 5%. State the hypotheses, test statistic, p-value (or critical value) and final conclusion. Please use R studio and provide the relevant code.