iw a Type Il ceror QIN: The appropriate statistical procedure fr this ex mple wo
ID: 3376657 • Letter: I
Question
iw a Type Il ceror QIN: The appropriate statistical procedure fr this ex mple would be . 019 Is this a me sailed or a o-Tailed test A. on-tailed R two-tailed The most appropeime null hypothesis (in words) would be A. There is no statistical difference in SAT soores when comparing stadents who prep course with the gencral population of stadents who did not took the SAT take the SAT prep course B. There is a statistical difference in SAT soores when comparing students who took the SAT peep course with the general popalation of shudenns take the SAT prep ourse who did not C. The students who took the SAT prep coarse did not score significantly higher s the SAT when compared to the general populatios of students who did not take the SAT pren course D. The students who took the SAT prep course diod score significanily higher ce the SAT whem compared to the general popalatom of students who did no take the SAT prep coase 021: The most appropeiate mull hypothesis (in syssbols) would be 022: Set up the sriteria for making a decision That is, find the critical value usimg an pha 01 (Make sare you are sign specificL)Wse your tables) Summarize the data into the appropriate test statistic 023: What is the americ value of your standard ertor Q24: What 35 tie z-value or t-value you obtained (your lest statistic? 025: Hased on your results (and comparing your 024ad 022 answers) would you A. reject the null hypothesis B fail to reject the null hypothess Q26: The best conclusion for this example would he took the SAT prep course with the gencral population of students who did not take the SAT prep course There is a statistical difference in SAT scores when co took the SAT prep course with the general population of students whho did not take the SAT prep course The students who took the SAT prep course did nat score significantly higher on the SAT when compared to the general population of students who did not take the SAT prep course B. mparing students who C. D. The students who took the SAT prep course did score signticantly higher on the SAT when compared to the general population of studerms who did not take the SAT prep course 027: Based on your evaluation of the null in Q25 and your conclusion is Q26, as a researcher you would be more concerned with a A. Type I statistical error B Type II statistical error Calculate the 95% confidence interval 028: The mean you will use for this calculation is B. 1150 What is the new critical value you will use for this calculation? As you know, two values will be required to complete the following equation: Which of the following is a more accur 029: 030: rate interpretation of the confidence interval you Q31: just computed We are 95% confident that the scores fall in the interval We are 95% confident that the average score on the SAT by the students who took the prep course falls in the interval A. To C. We are 95% confident that the example above has correct values. D. We are 95% confident that the difference in SAT scores between the students who took the prep course and the students who did not falls in the intervalExplanation / Answer
Sol:
(18)
A. t-test
(19)
B. two-tailed
(20)
B. There is a statistical difference in SAT scores when comparing students who
took the SAT prep course with the general population of students who did not
take the SAT prep course.
(21)
A. ?SATprep = 1050
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.