Question: X + Microsoft Word - Essum 120013 Grt Homeware Hap With Chege x Miercrorit Word - Fan 12001 - 63 Or C:/Users/Zoltry Downloads Exam 180213_Module

X + Microsoft Word - Essum 120013 Grt Homeware

X + Microsoft Word - Essum 120013 Grt Homeware Hap With Chege x Miercrorit Word - Fan 12001 - 63 Or C:/Users/Zoltry Downloads Exam 180213_Module 1_Brod A Microsoft Word - Exam180213 Module 1 JP.docx 6/14 1501 + A study has been conducted to investigate whether there is a relation between students' study results and their sleeping habits. One hundred of students (from the same class) answered the questionnaire about their study results on the latest exam and their sleeping habits. The researchers then classified, according to the recommended guidelines for sleeping habits, the students into categories "good sleeping habits" or "bad sleeping habits". The students' study results were classified according to the grade they obtained on the last exam: "Fail", "Pass" or "Pass with distinction". An analysis of the collected data was performed in Minitab. The following Minitab output was obtained: Pass with distinction 16 Good sleeping habits Bad sleeping habits All Fail 6 10 16 Pass 38 26 64 All 60 40 100 20 Observed value of the test statistic = 6,72 a) Investigate, on 5% significance level, if there is an association between students' study results and sleeping habits. Describe and motivate all steps in the hypothesis test based on the information in the Minitab output above. You should use the decision rule based on the critical value. (4p) b) State the p-value for the test in a) as accurately as possible. (1p) c) Calculate the expected number of students who fail the exam and have good sleeping habits, assuming that there is no relation between the students' study results and sleeping habits. (10) non ide a keresshez O ES 11 4 HUN 1857 2121.02. Microsoft Word - Fan 12001 * Got Hommark hap Wah Chay x + w Microsoft Word - Exam180213_Module1_JBP.docx G/14 125 + o Code: 7 Problem 2 (6 points) A study has been conducted to investigate whether there is a relation between students' study results and their sleeping habits. One hundred of students (from the same class) answered the questionnaire about their study results on the latest exam and their sleeping habits. The researchers then classified, according to the recommended guidelines for sleeping habits, the students into categories "good sleeping habits" or "bad sleeping habits". The students' study results were classified according to the grade they obtained on the last exam: "Fail", "Pass" or "Pass with distinction". An analysis of the collected data was performed in Minitab. The following Minitab output was obtained: Pass 38 Good sleeping habits Bad sleeping habits A11 : 6 10 16 Pass with distinction 16 4 20 All 60 40 100 64 Observed value of the test statistic - 6,72 a) Investigate, on 5% significance level, if there is an association between students' study results and sleeping habits. Describe and motivate all steps in the hypothesis test based on the information in the Minitab output above. You should use the decision rule based on the critical value. (4p) b) State the p-value for the test in a) as accurately as possible. (ip) c) Calculate the expected number of students who fail the exam and have good sleeping habits, assuming that there is no relation between the students' study results and sleeping habits. (10) non ide a keresshez O 11 A 4 HUN 18:45 2121.02.06 5 X + Microsoft Word - Essum 120013 Grt Homeware Hap With Chege x Miercrorit Word - Fan 12001 - 63 Or C:/Users/Zoltry Downloads Exam 180213_Module 1_Brod A Microsoft Word - Exam180213 Module 1 JP.docx 6/14 1501 + A study has been conducted to investigate whether there is a relation between students' study results and their sleeping habits. One hundred of students (from the same class) answered the questionnaire about their study results on the latest exam and their sleeping habits. The researchers then classified, according to the recommended guidelines for sleeping habits, the students into categories "good sleeping habits" or "bad sleeping habits". The students' study results were classified according to the grade they obtained on the last exam: "Fail", "Pass" or "Pass with distinction". An analysis of the collected data was performed in Minitab. The following Minitab output was obtained: Pass with distinction 16 Good sleeping habits Bad sleeping habits All Fail 6 10 16 Pass 38 26 64 All 60 40 100 20 Observed value of the test statistic = 6,72 a) Investigate, on 5% significance level, if there is an association between students' study results and sleeping habits. Describe and motivate all steps in the hypothesis test based on the information in the Minitab output above. You should use the decision rule based on the critical value. (4p) b) State the p-value for the test in a) as accurately as possible. (1p) c) Calculate the expected number of students who fail the exam and have good sleeping habits, assuming that there is no relation between the students' study results and sleeping habits. (10) non ide a keresshez O ES 11 4 HUN 1857 2121.02. Microsoft Word - Fan 12001 * Got Hommark hap Wah Chay x + w Microsoft Word - Exam180213_Module1_JBP.docx G/14 125 + o Code: 7 Problem 2 (6 points) A study has been conducted to investigate whether there is a relation between students' study results and their sleeping habits. One hundred of students (from the same class) answered the questionnaire about their study results on the latest exam and their sleeping habits. The researchers then classified, according to the recommended guidelines for sleeping habits, the students into categories "good sleeping habits" or "bad sleeping habits". The students' study results were classified according to the grade they obtained on the last exam: "Fail", "Pass" or "Pass with distinction". An analysis of the collected data was performed in Minitab. The following Minitab output was obtained: Pass 38 Good sleeping habits Bad sleeping habits A11 : 6 10 16 Pass with distinction 16 4 20 All 60 40 100 64 Observed value of the test statistic - 6,72 a) Investigate, on 5% significance level, if there is an association between students' study results and sleeping habits. Describe and motivate all steps in the hypothesis test based on the information in the Minitab output above. You should use the decision rule based on the critical value. (4p) b) State the p-value for the test in a) as accurately as possible. (ip) c) Calculate the expected number of students who fail the exam and have good sleeping habits, assuming that there is no relation between the students' study results and sleeping habits. (10) non ide a keresshez O 11 A 4 HUN 18:45 2121.02.06 5

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