A company that sponsors LSAT prep courses would like to be able to claim that their courses improve scores by more than 3 percentag points. To test this, they take a sample of 8 people, have each take an initial diagnostic test, then take the prep course, and then take a post-test after the course. The test results are below (scores are out of 100%): Person Initial Test Post-Test 1 68 66 72 73 3 60 62 4 76 81 73 79 6. 70 76 69 82 8. 68 68 Is there evidence, at an a = 0.065 level of significance, to conclude that the prep course improves scores by more than 3 percentage points? Carry out an appropriate hypothesis test, filling in the information requested. (Arrange your data so that the standardized test statistic is for the change from the initial test to the post-test.) A. What test method should be used? OA. Two Sample z O B. Matched Pairs OC. Two Sample t B. The value of the standardized test statistic: (give to at least 3 decimal places) C. The p-value is (give to 4 decimal places)

Find the SLG Percentage for Mr Hodowith 52 doubles, 31 singles, 2 triples, 61homeruns, and 335 at bats.

Find P₄₁ , which is the score separating the bottom 41% from the top 59%.P₄₁ =Enter your answer as a number accurate to 1 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.

A survey of 500 citizens of a large country revealed that 70 of them believe the government's highest priority should be foreign relations. Find the standard error for the sample proportion of citizens in the country who believe the government's highest priority should be foreign relations. Enter your answer as a decimal rounded to three decimal places.

What is the percentage of students weighing less than or equal too 203 pounds

The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 33 who smoke. step 1 of 2: suppose a sample of 1267 Americans over 33 is drawn. Of these people, 913 don't smoke. Using the data, estimate the proportion of Americans over 33 who smoke. Enter your answer as a decimal number rounded to three decimal places.

Professor X  gave a quiz to five students.  He remembered four of the grades 82, 88, 81, 77 and the mean 80.  What was the other grade?

The mean of 14 numbers in a data set is 43. A new number is included in the data set. It changes the mean to 44. What is the new number? Record the result below accurate to two decimal places.

Prof. Leen wants to estimate the more than 92% percent of adults living in a large city have cell phones. Prof. Leen randomly selects 160 adult residents to determine whether they have cell phones. Of the 160 people sampled, 155 own cell phones. Find the p-value for the test. (Round the answer to three decimal places.)

Here are some of the Final Exam scores from last semester's class: 81, 77, 90, 93, 99, 88, 85, 70, 79, 91, 94, 87. Find the mean. Round your answer to 3 decimal places.