lj H learn.umgc.edu iU Quizzes - STAT 200 5378 Introduction to Statistics (2215) - UMGC Learning Management System Final Exam x Time Limit: 3:00:00 Time Left:2:45:48 Nehemiah Taylor: Attempt 1 Page 1: Question 10 (1 point) 1 The amount of sugar in a Tralfaz glazed donut is 10 g. Many people feel that cereal is -- a healthier alternative for children over glazed donuts. The following table contains 'i' the amount of sugar in a sample of cereal that is geared towards children ("Healthy Page 2: breakfast story," 2013). 2 3 4 Sugar Amounts in Children's Cereal (grams per common serving size) 77* 1014129131313 Page 3 : 111215910113 6 12 15 12 12 Page 4 7 7 8 Is there enough evidence to show that the mean amount of sugar in children's cereal __ __ __ is more than in a glazed donut? Test at the 5% level. ;e 57 '7 (i) Which of the following statements correctly denes the null hypothesis Ho? 7 A. p = 10 " B. u = 10 Page 6: C. H > 10 7i D. p > 10 Enter letter corresponding to correct answer 10 D. p > 10 Page 4: Enter letter corresponding to correct answer 6 7 8 Page 5: (iii) Enter the level of significance a used for this test: 9 Enter in decimal form. Examples of correctly entered answers: 0.01 0.02 0.05 -- 0.10 Page 6: (iv) Determine sample mean x : Enter in decimal form to nearest ten-thousandth. Examples of correctly enteredlj H learn.umgc.edu iU Quizzes - STAT 200 5378 Introduction to Statistics (2215) - UMGC Learning Management System Final Exam x Time Limit: 3:00:00 Time Leftz2z45z38 Nehemiah Taylor: Attempt 1 Page 11 0.0001 0.0020 0.0500 0.3000 0.7115 l: 'v Page 2: (v) Determine sample standard deviation s 2 3 4 Enter in decimal form to nearest ten-thousandth. Examples of correctly entered __ __ _- answers: Page 3: 0.0001 0.0020 0.0500 0.3000 0.7115 6/ U (vi) Determine degrees of freedom df Page 4 7 7 8 Enter answer as integer number without sign Page 5 7' (vii) Calculate and enter test statistic 9 - Enter value in decimal form rounded to nearest tenthousandth, with appropriate sign (no spaces). Examples of correctly entered answers: Page 6: ii 2.0140 0.0307 +0.6000 +1.0009 Q/ U (viii) Using tables, calculator, or spreadsheet: Determine and enter p-value