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Instructor-created question When subjects were treated with a drug, their systolic blood pressure readings (in mm Hg) were measured before and after the drug was taken. Results are given in the table below. Assume that the paired sample data is a simple random sample and that the differences have a distribution that is approximately normal. Using a 0.05 significance level, is there sufficient evidence to support the claim that the drug is effective in Iowering systolic blood pressure? 157 152 164 148 194 169 158 159 193 170 205 143 189 155 159 163 210 179 167 177 195 176 188 179 Before After In this example, y, is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the systolic blood pressure reading before the drug was taken minus the reading after the drug was taken. What are the null and alternative hypotheses for the hypothesis test? B. H Pd <0 O A H Ha 0 O C. H Ha 0 Identify the test statistic. (Round to two decimal places as needed.) Identify the P-value. (Round to three decimal places as needed.) P-value= evidence to support the claim that the drug is effective in lowering systolic blood pressure. There is 5% 52 53 54 55 56 57 58 59

Instructor-created question When subjects were treated with a drug, their systolic blood pressure readings (in mm Hg) were measured before and after the drug was taken. Results are given in the table below. Assume that the paired sample data is a simple random sample and that the differences have a distribution that is approximately normal. Using a 0.05 significance level, is there sufficient evidence to support the claim that the drug is effective in Iowering systolic blood pressure? 157 152 164 148 194 169 158 159 193 170 205 143 189 155 159 163 210 179 167 177 195 176 188 179 Before After In this example, y, is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the systolic blood pressure reading before the drug was taken minus the reading after the drug was taken. What are the null and alternative hypotheses for the hypothesis test? B. H Pd <0 O A H Ha 0 O C. H Ha 0 Identify the test statistic. (Round to two decimal places as needed.) Identify the P-value. (Round to three decimal places as needed.) P-value= evidence to support the claim that the drug is effective in lowering systolic blood pressure. There is 5% 52 53 54 55 56 57 58 59

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Instructor-created question When subjects were treated with a drug, their systolic blood pressure readings (in mm Hg) were measured before and after the drug was taken. Results are given in the table below. Assume that the paired sample data is a simple random sample and that the differences have a distribution that is approximately normal. Using a 0.05 significance level, is there sufficient evidence to support the claim that the drug is effective in Iowering systolic blood pressure? 157 152 164 148 194 169 158 159 193 170 205 143 189 155 159 163 210 179 167 177 195 176 188 179 Before After In this example, y, is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the systolic blood pressure reading before the drug was taken minus the reading after the drug was taken. What are the null and alternative hypotheses for the hypothesis test? B. H Pd <0 O A H Ha 0 O C. H Ha 0 Identify the test statistic. (Round to two decimal places as needed.) Identify the P-value. (Round to three decimal places as needed.) P-value= evidence to support the claim that the drug is effective in lowering systolic blood pressure. There is 5% 52 53 54 55 56 57 58 59
Transcribed Image Text:Instructor-created question When subjects were treated with a drug, their systolic blood pressure readings (in mm Hg) were measured before and after the drug was taken. Results are given in the table below. Assume that the paired sample data is a simple random sample and that the differences have a distribution that is approximately normal. Using a 0.05 significance level, is there sufficient evidence to support the claim that the drug is effective in Iowering systolic blood pressure? 157 152 164 148 194 169 158 159 193 170 205 143 189 155 159 163 210 179 167 177 195 176 188 179 Before After In this example, y, is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the systolic blood pressure reading before the drug was taken minus the reading after the drug was taken. What are the null and alternative hypotheses for the hypothesis test? B. H Pd <0 O A H Ha 0 O C. H Ha 0 Identify the test statistic. (Round to two decimal places as needed.) Identify the P-value. (Round to three decimal places as needed.) P-value= evidence to support the claim that the drug is effective in lowering systolic blood pressure. There is 5% 52 53 54 55 56 57 58 59
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