A psychologist would like to examine the effects of different testing methods on the final performance of college students. One group has regular quizzes, one group has three large exams, and the third group only has a final exam. At the end of the course, the psychologist interviews each student to get a measure of the student's overall knowledge of the material.      quizes exams final only 4 1 0 6 4 2 3 5 0 7 2 2         G=36 Ex2=164    Compute Tukey's HSD to determine exactly which methods are significantly different.   q =     Round to 2 decimal places, Tukey's HSD=     Which methods are significantly different? a. Quizzes vs. Exams b. Quizzes vs. Final Only c. Exams vs. Final Only d. All three are different Enter letter only from the choices above:

Last time you didn’t answer question c,i) in terms of the variables of score and hours. Also write the answers in more depth

The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.

R %24 FE %#3 %24 Is the proportion of wildfires caused by humans in the south higher than the proportion of wildfires caused by humans in the west? 374 of the 522 randomly selected wildfires looked at in the south were caused by humans while 390 of the 563 randomly selected wildfires looked at the west were caused by humans. What can be concluded at the a = 0.01 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: :0H H1: Select an answer Select an answer Select an answer (please enter a decimal) Select an answer Select an answer Select an answer (Please enter a decimal) c. The test statistic ? O (please show your answer to 3 decimal places.) d. The p-value (Please show your answer to 4 decimal places.) e. The p-value is ? e a f. Based on this, we should elect an answer the null hypothesis. g. Thus, the final conclusion is that O The results are statistically insignificant at a = 0.01, so there is statistically…