Fitchburg State University Statistics Questions

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MAA MATHEMATICAL ASSOCIATION OF AMERICA
< webwork / math1800_spring2022_stassen / rev_04 / 1 MAIN MENU Previous Problem Problem List Next Problem Courses Homework Sets Rev 04 Problem 1 Rev 04: Problem 1 (1 point) User Settings Grades Problems 10 randomly selected students at Mythic U were asked how many pets thay have. 5,4,5, 3, 7, 8, 14, 6, 7, 11 Problem 1 Find each requested value. Enter NONE for values that cannot be found from the given data. Problem 2 ✓ M = NONE T = 7.00 0= NONE S = 3.33 Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 4 times. You have 1 attempt left before new version will be requested. Your overall recorded score is 50% Rev 05: Problem 1 (1 point) 100 college students on campus for the first time participate in a study of navigation strategies. Each student is given a map of campus, then told to find their way to a specific location however they choose. The researchers then observe whether the students check the map or ask directions first. 33 female students asked directions first and 24 checked the map first. 15 male students asked directions and 28 checked the map first. Asked directions Checked map Total Female 33 24 57 Male 15 28 43 Total 48 52 100 Find the percents. Percents should be rounded to 2 decimal places. What percent of the students asked directions first? 48.00 What percent of the students are females who checked the map first? 42.10 What percent of the female students checked the map first? 46.15 What percent of the male students asked directions first? 34.88 Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 3 times. You have 2 attempts left before new version will be requested. Your overall recorded score is 85%. Rev 05: Problem 2 (1 point) Consider the following linear regression analysis comparing exam scores (in the variable Exam) to homework scores (in the variable Homework). Call: lm( formula = Exam HW) Coefficients: Estimate Std. Error t value Pr(>1t|)
(Intercept) 0.5433 2.35961 0.094 0.926
Homework 1.8701 0.07055 26.293

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