A study was conducted to compare oral and intravenous antibiotics in patients withlower respiratory tract infection. Patients were rated in terms of their final outcomeafter their assigned treatment (delivery route of antibiotic). The outcomes wereclassified as: cure (1), partial cure (2), antibiotic extended (3), antibiotic changed (4),death (5). Note that this variable is categorical and ordinal. For the oral deliverygroup, the numbers of patients falling into the five outcome levels were: 74, 68, 16,14, and 9, respectively. The following are some graphical summaries.FREQUENCYFREQUENCY of OUTCOME807060504030201001 2 3 4 5OUTCOME286817416HA149What are the names of the two types of graphics and what data is each of themdisplaying to us?

Introduction: In the scenario study, antibiotic use was investigated in patients with lower…

Answered: A study was conducted to compare oral…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 25PPS

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Is there a relationship between treatment and smoking cessation? A study randomly selects a group of 1,025 smokers who are attempting to quit. One group of 352 is using Chantix, one group of 329 is using Bupropion, and one group of 344 is using a placebo. The success of the treatment is measured on whether or not participants smoked in weeks 9-12 of the treatment (this is a yes or no variable). Treatment Chantix Bupropion Placebo No smoking in weeks 9-12 155 97 61 Smoked in weeks 9-12 197 232 283 Total 352 329 344 Treatment Chantix Bupropion Placebo No smoking in weeks 9-12 Smoked in weeks 9-12 Total 100% 100% 100% Complete the table above by filling in the percentages for each of the three treatments (remember that columns will add to 100%) a. Write an interpretation statement comparing across the percentages across the row and a summary statement describing the relationship between treatment and smoking cessation. b.
Recent research indicates that the effectiveness of antidepressant medication is directly related to the severity of the depression (Khan, Brodhead, Kolts & Brown, 2005). Based on pretreatment depression scores, patients were divided into four groups based on their level of depression. After receiving the antidepressant medication, depression scores were measured again and the amount of improvement was recorded for each patient. The following data are similar to the results of the study. Low High Moderate Moderately Moderate Severe Severe 3.1 1.3 5.1 3.5 2.3 3.3 3.6 2.9 2.7 2.9 1.8 4.2 3 4 4.2 2 3.9 3.9 4.7 2.1 0.5 2.5 2.2 From this table, conduct an one-way ANOVA. Calculate the F-ratio and p-value. Be sure to round your answers to three decimal places. Assume all population and ANOVA requirements are met. F-ratio: p-value: What is your final conclusion? Use a significance level of a = 0.02. O There is not enough evidence to determine a difference between the treatments. O There is…
Recent research indicates that the effectiveness of antidepressant medication is directly related to the severity of the depression (Khan, Brodhead, Kolts & Brown, 2005). Based on pretreatment depression scores, patients were divided into four groups based on their level of depression. After receiving the antidepressant medication, depression scores were measured again and the amount of improvement was recorded for each patient. The following data are similar to the results of the study. Low Moderate High Moderate Moderately Severe Severe 1.6 2.9 3.8 3.4 0.9 1.3 3 2.8 1.8 3.1 3.3 3.2 2.7 3.7 2.4 4.9 3.8 2.9 3.7 3.2 4.9 1.7 From this table, conduct an one-way ANOVA. Calculate the F-ratio and p-value. Be sure to round your answers to three decimal places. Assume all population and ANOVA requirements are met. F-ratio: p-value: What is your final conclusion? Use a significance level of a = 0.01. O There is sufficient evidence that there exists a significant difference between treatments. O…
A study was conducted to compare oral and intravenous antibiotics in patients with lower respiratory tract infection. Patients were rated in terms of their final outcome after their assigned treatment (delivery route of antibiotic). The outcomes were classified as: cure (1), partial cure (2), antibiotic extended (3), antibiotic changed (4), death (5). Note that this variable is categorical and ordinal. For the oral delivery group, the numbers of patients falling into the five outcome levels were: 74, 68, 16, 14, and 9, respectively. The following are some graphical summaries. FREQUENCY FREQUENCY of OUTCOME 80 70 60 50 40 30 20 10 0 1 2 3 4 5 OUTCOME 28 68 1 74 16 HA 14 9 What are the names of the two types of graphics and what data is each of them displaying to us?
A clinical psychologist is interested in the effect of a new treatment for treating depression. She randomly divides her clients into two groups. One group receives the new treatment and the other group receives the old treatment (control group). At the end of treatment, she assesses the severity of their depression on a scale ranging from 0 to 20 (higher scores indicate greater depression). Was there a significant difference in depression scores between the two treatments? New Treatment Old Treatment 2 7 5 10 3 6 8 8 11 4 4 8 6 10 4 4
Recent research indicates that the effectiveness of antidepressant medication is directly related to the severity of the depression (Khan, Brodhead, Kolts & Brown, 2005). Based on pretreatment depression scores, patients were divided into four groups based on their level of depression. After receiving the antidepressant medication, depression scores were measured again and the amount of improvement was recorded for each patient. The following data are similar to the results of the study. Moderately High Moderate Low Moderate Severe Severe 1.3 1.4 3 2.5 1.3 2 3.8 4 2.5 0.4 5 2.5 2.2 1.5 3.8 3.2 1.7 2 1.7 2 3.1 2.1 4.1 1.6 From this table, conduct an one-way ANOVA. Calculate the F-ratio and p-value. Be sure to round your answers to three decimal places. Assume all population and ANOVA requirements are met. F-ratio: p-value:
Recent research indicates that the effectiveness of antidepressant medication is directly related to the severity of the depression (Khan, Brodhead, Kolts & Brown, 2005). Based on pretreatment depression scores, patients were divided into four groups based on their level of depression. After receiving the antidepressant medication, depression scores were measured again and the amount of improvement was recorded for each patient. The following data are similar to the results of the study. LowModerate HighModerate ModeratelySevere Severe 0.3 1.2 2.2 1.8 3.8 1.7 1.4 2.8 3.2 0.4 0.6 2.6 2.3 1.2 1.6 2.6 2 3.2 1.6 2.2 0.6 1.2 1.6 1 2.7 1 2.2 0.6 1.4 1.6 3.3 2.7 2.2 2.9 3.7 2.6 0.9 0.7 3.4 3.1 2.6 1.7 0.8 1.8 2 1.4 1.6 4.1 1.7 0.9 3.3 2.3 1.6 1.1 3.5 1.4 3.5 1.9 0.4 4.2 1.5 2.3 2.2 2.9 1.4 2.2 2.7 2.8 2.1 1.9 1.9 3.9 1.5 2.7 0.8 1.5 1 3 2.1 3.7 1.5 0.9 2.4 1.9 2.7 3.2 0.8 2.7 2.2 2.9 1.8 1.2 2.4 1.7 3.2 1.3 2.2 2.4 1.1 1 2.6 2…
Recent research indicates that the effectiveness of antidepressant medication is directly related to the severity of the depression (Khan, Brodhead, Kolts & Brown, 2005). Based on pretreatment depression scores, patients were divided into four groups based on their level of depression. After receiving the antidepressant medication, depression scores were measured again and the amount of improvement was recorded for each patient. The following data are similar to the results of the study. LowModerate HighModerate ModeratelySevere Severe 2.2 1.4 3.4 3.4 1.5 1.4 3.5 2.8 2.8 3.1 2.7 2.3 1.7 2.6 4.4 3.6 1.3 1.5 2.6 3.2 1.3 2.6 2.8 3.5 Fill in the summary table for the ANOVA test: degrees of freedom (d.f.) Sum of Squares (S.S.) Mean Square (M.S.) Between Within Total From this table, obtain the necessary statistics for the ANOVA:F-ratio (F-test statistic): p-value: η2η2 (Eta squared = Sum of squares betweenSum of squares totalSum…
Recent research indicates that the effectiveness of antidepressant medication is directly related to the severity of the depression (Khan, Brodhead, Kolts & Brown, 2005). Based on pretreatment depression scores, patients were divided into four groups based on their level of depression. After receiving the antidepressant medication, depression scores were measured again and the amount of improvement was recorded for each patient. The following data are similar to the results of the study. LowModerate HighModerate ModeratelySevere Severe 0.5 2.7 3.4 2.6 1.7 0.8 2.6 5.3 3.3 1.9 1.1 4 2.6 1.4 4.3 2.6 1.4 2.9 3.6 4.6 3.1 3.2 4.8 1.4 From this table, conduct an one-way ANOVA. Calculate the F-ratio and p-value. Be sure to round your answers to three decimal places. Assume all population and ANOVA requirements are met.F-ratio: p-value:
Recent research indicates that the effectiveness of antidepressant medication is directly related to the severity of the depression (Khan, Brodhead, Kolts & Brown, 2005). Based on pretreatment depression scores, patients were divided into four groups based on their level of depression. After receiving the antidepressant medication, depression scores were measured again and the amount of improvement was recorded for each patient. The following data are similar to the results of the study. LowModerate HighModerate ModeratelySevere Severe 2.4 0.2 2.5 3.5 1.6 1.7 2.7 4.3 2.7 3.4 2 3.4 0.5 1.2 5.2 5.1 2.4 2.3 4 3.5 1.8 0.3 4.1 3.8 From this table, conduct an one-way ANOVA. Calculate the F-ratio and p-value. Be sure to round your answers to three decimal places. Assume all population and ANOVA requirements are met.F-ratio: _____p-value: _____What is your final conclusion? Use a significance level of α=0.05. (Select one): There is sufficient evidence that…
A group of 500 patients who suffer from migraine headaches is asked to participate in a study to determine the effectiveness of a new medication. The patients are divided randomly into two groups, one was given the actual medication and one received a placebo pill. After 6 months of treatment, 65% of the patients who took the medication had fewer migraines, while only 35% of those who took the placebo had fewer migraines.a. What is the treatment variable?b. What is the response (or outcome) variable?C. Was this an observational study or a controlled experiment? Explain how you know
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