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The table below shows the number of hours per day 11 patients suffered from headaches before and after 7 weeks of soft tissue therapy. At a 0.01. is there enough evidence to conclude that soft tissue therapy helps to reduce the length of time patients suffer from headaches? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through Patient 6789 Daily headache hours (before 20 30 13 16 35 22 43 28 25 21 23 Daily headache hours (after) 12 47 (a) Identify the claim and state H, and H The claim is "The therapy helps to reduce the length of time patents suffer from headaches" Let be the hypothesized mean of the paterts daily headache hours before therapy minus their daily l State H, and H, Choose the c ORHA 147 (b) Find the ortical values) and identify the rejection region(s) 6-279 (Use a comma to separate answers as needed. Type an integer or a decimal Round to three decimal places as needed) Idently the rejection region(s) Choose the conect answer below A 1×2.784 OB 1-2764 or 1>2.704 OC 14-2109 OD 14-10 >3.189 Calcula -0.445 (Type anger or a decimal Round to three decimal places as needed) Calculate Sy 9-0 (Type an integer or a decimal Round to twee decimal places as needed) H OF 1 120 C. 12:50 OF 14

The table below shows the number of hours per day 11 patients suffered from headaches before and after 7 weeks of soft tissue therapy. At a 0.01. is there enough evidence to conclude that soft tissue therapy helps to reduce the length of time patients suffer from headaches? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through Patient 6789 Daily headache hours (before 20 30 13 16 35 22 43 28 25 21 23 Daily headache hours (after) 12 47 (a) Identify the claim and state H, and H The claim is "The therapy helps to reduce the length of time patents suffer from headaches" Let be the hypothesized mean of the paterts daily headache hours before therapy minus their daily l State H, and H, Choose the c ORHA 147 (b) Find the ortical values) and identify the rejection region(s) 6-279 (Use a comma to separate answers as needed. Type an integer or a decimal Round to three decimal places as needed) Idently the rejection region(s) Choose the conect answer below A 1×2.784 OB 1-2764 or 1>2.704 OC 14-2109 OD 14-10 >3.189 Calcula -0.445 (Type anger or a decimal Round to three decimal places as needed) Calculate Sy 9-0 (Type an integer or a decimal Round to twee decimal places as needed) H OF 1 120 C. 12:50 OF 14

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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The table below shows the number of hours per day 11 patients suffered from headaches before and after 7 weeks of soft tissue therapy. At a 0.01, is there enough evidence to conclude that soft tissue therapy helps to reduce the length of time patients suffer from headaches? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through ( Patent 1 Daily headache hours (before) 2.9 39 1.8 1.0 3.5 22 43 28 25 21 23 Daily headache hours (after) 12 47 13 11 23 13 41 24 20 10 30 (a) Identify the claim and state H, and H. The claim is "The therapy helps to reduce the length of time patents suffer from headaches." Let be the hypothesized mean of the patents' daily headache hours before therapy minus their daily headache hours after it State H, and H, Choose the correct answer below. OA HA OD 16:42 на (b) Find the critical value(s) and identify the rejection region(s). 6-2764 (Use a comma to separate answers as needed. Type an integer or a decimal Round to three decimal places as needed) Identify the rejection region(s). Choose the correct answer below. A 12.784 OB <-2704 or 1>2.704 OC 1-3109 OD 1-2100 or 1>3.180 (e) Calculated d-0.445 (Type an integer or a decimal. Round to three decimal places as needed.) Calculate S (Type an integer or a decimal. Round to three decimal places as needed) OB H₂-d DE H₂ 120 Нико LED C. H₂:30 OF H H₂:44-2
Transcribed Image Text:The table below shows the number of hours per day 11 patients suffered from headaches before and after 7 weeks of soft tissue therapy. At a 0.01, is there enough evidence to conclude that soft tissue therapy helps to reduce the length of time patients suffer from headaches? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through ( Patent 1 Daily headache hours (before) 2.9 39 1.8 1.0 3.5 22 43 28 25 21 23 Daily headache hours (after) 12 47 13 11 23 13 41 24 20 10 30 (a) Identify the claim and state H, and H. The claim is "The therapy helps to reduce the length of time patents suffer from headaches." Let be the hypothesized mean of the patents' daily headache hours before therapy minus their daily headache hours after it State H, and H, Choose the correct answer below. OA HA OD 16:42 на (b) Find the critical value(s) and identify the rejection region(s). 6-2764 (Use a comma to separate answers as needed. Type an integer or a decimal Round to three decimal places as needed) Identify the rejection region(s). Choose the correct answer below. A 12.784 OB <-2704 or 1>2.704 OC 1-3109 OD 1-2100 or 1>3.180 (e) Calculated d-0.445 (Type an integer or a decimal. Round to three decimal places as needed.) Calculate S (Type an integer or a decimal. Round to three decimal places as needed) OB H₂-d DE H₂ 120 Нико LED C. H₂:30 OF H H₂:44-2
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