I am not sure which test I would use or how to enter the data in...
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I am not sure which test I would use or how to enter the data in statdisk on the problem below. Scenario 4: Drug Effectiveness To test the effectiveness of a new drug, a researcher gives one group of individuals the new drug and another group a placebo. The results of the study are shown below. At the 0.01 level of significance, can the researcher conclude that the drug is effective? In other words, are the results independent of the method of treatment?
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Which type of test would you use, and why? |
State the null and alternative hypothesis. |
Use Statdisk to solve the problem describing the steps that you used (options in Statdisk) and paste your results here. |
Write a conclusion statement. |
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Homework Answers
OMalley, Kaitlyn Answered Change your responses to resub To test the effectiveness of a new drug,...
OMalley, Kaitlyn Answered Change your responses to resub To test the effectiveness of a new drug, a researcher gives one group the drug and the other group a placebo. At alpha=0.10, can it be concluded that the drug is effective? Use Table 3 below Medication Effective Not Effective Drug 32 9 Placebo 12 18 ... Refer to Table 3. What is the Chi-Square Test 1A 11.881 O B 12.771 O C 10.643 0 D 11.112
Incorrect Question 3 0/1 pts Provide an appropriate response. To test the effectiveness of a new...
Incorrect Question 3 0/1 pts Provide an appropriate response. To test the effectiveness of a new drug designed to relieve flu symptoms, 200 patients were randomly selected and assigned to two equal groups. One group of 100 patients was given a pill containing the drug while the other group of 100 was given a placebo. 62 of those actually taking the drug felt a beneficial effect while 41 of the patients taking the placebo felt a beneficial effect. Which of...
Investigators want to determine the effectiveness of a new drug in lowering cholesterol. They conduct a...
Investigators want to determine the effectiveness of a new drug in lowering cholesterol. They conduct a small clinical trial in which patients were randomized to receive the new drug or placebo. The total cholesterol was measured after ten weeks on the assigned treatment. The table below shows the results. Sample size (n) Mean Clostrol SD New drug 30 198.8 26.7 Placebo 30 215.4 30.3 Is there sufficient evidence to conclude a difference in mean cholesterol for patients on the...
1) Investigators want to determine the effectiveness of a new drug in lowering cholesterol. They conduct...
1) Investigators want to determine the effectiveness of a new drug in lowering cholesterol. They conduct a small clinical trial in which patients were randomized to receive the new drug or placebo. The total cholesterol was measured after ten weeks on the assigned treatment. The table below shows the results. Sample Size (n) Mean Cholesterol SD New drug 30 198.8 26.7 Placebo 30 215.4 30.3 Is there sufficient evidence to conclude a difference in mean cholesterol for patients on the...
If anyone knows the answrrs to any of these questions on the paper( preferably all) I...
If anyone knows the answrrs to any of these questions
on the paper( preferably all) I would appreciate it.
Quarrative Reasoning in C ivis, Lot 2008 3) Some studies have shown that the person who gives the placebo to the pain can influence its effect. For instance, the doctor or nurse says that it is a very powerful medication that will help them, the placebo effect can be stronger Part A placebo Should the person who gives a placebo to...
Question 2 A study was conducted to examine the effectiveness of a new nasal spray designed...
Question 2 A study was conducted to examine the effectiveness of a new nasal spray designed to reduce hay fever symptoms. The researchers involved with this study recruited 300 participants and divided them into either the treatment group (consisting of the new nasal spray) or the control group (consisting of a placebo spray). The table below summarises these results No change 81 61 59 Group Treatment Placebo a) Based on this scenario, state whether we should use relative risk (RR)...
y Notes As You A drug company is developing a product which is intended to shorten...
y Notes As You A drug company is developing a product which is intended to shorten the duration of colds. To determine if the product is effective, a study is done with two groups of physiologically similar people. The placebo group is given a sugar pill, the treatment group is given the cold remedy, and the results are given below Cold duration (days) Placebo group (relative frequency) Treatment group (fnequency) 0-5 days 10-12 days 13+ days We want to determine...
Quiz: Bidwell Quiz - Chapter 1 - Data Collection Time Remain 00:33:58 Submit Quiz This Question:...
Quiz: Bidwell Quiz - Chapter 1 - Data Collection Time Remain 00:33:58 Submit Quiz This Question: 1 pt 6 of 10 (4 complete) This Quiz: 10 pts possible of a new drug therapy for treating patlients with dementia. To do this, they identified 75 patients with a diagnosis of dementia. Patients were randomly assigned to one of three treatment groups. Twenty-five patients were randomly assigned to receive the new drug therapy, another 25 received the older drug therapy, and the...
Quel He Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea,...
Quel He Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 39 of the 46 subjects treated with echinacea developed rhinovirus infections. In a placebo group. 73 of the 90 subjects developed rhinovirus infections. Use a 0.01 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of subjects...
1. Use a χ2 test to test the claim that in the given contingency table, the row variable and the column variable are ind...
1. Use a χ2 test to
test the claim that in the given contingency table, the row
variable and the column variable are independent.
Responses to a survey question are broken down according to
employment status and the sample results are given below. At the
0.10 significance level, test the claim that response and
employment status are independent.
a. find the test statistic
2. Use a χ2 test to
test the claim that in the given contingency table, the row...
OMalley, Kaitlyn Answered Change your responses to resub To test the effectiveness of a new drug, a researcher gives one group the drug and the other group a placebo. At alpha=0.10, can it be concluded that the drug is effective? Use Table 3 below Medication Effective Not Effective Drug 32 9 Placebo 12 18 ... Refer to Table 3. What is the Chi-Square Test 1A 11.881 O B 12.771 O C 10.643 0 D 11.112
Incorrect Question 3 0/1 pts Provide an appropriate response. To test the effectiveness of a new drug designed to relieve flu symptoms, 200 patients were randomly selected and assigned to two equal groups. One group of 100 patients was given a pill containing the drug while the other group of 100 was given a placebo. 62 of those actually taking the drug felt a beneficial effect while 41 of the patients taking the placebo felt a beneficial effect. Which of...
1) Investigators want to determine the effectiveness of a new drug in lowering cholesterol. They conduct a small clinical trial in which patients were randomized to receive the new drug or placebo. The total cholesterol was measured after ten weeks on the assigned treatment. The table below shows the results. Sample Size (n) Mean Cholesterol SD New drug 30 198.8 26.7 Placebo 30 215.4 30.3 Is there sufficient evidence to conclude a difference in mean cholesterol for patients on the...
If anyone knows the answrrs to any of these questions
on the paper( preferably all) I would appreciate it.
Quarrative Reasoning in C ivis, Lot 2008 3) Some studies have shown that the person who gives the placebo to the pain can influence its effect. For instance, the doctor or nurse says that it is a very powerful medication that will help them, the placebo effect can be stronger Part A placebo Should the person who gives a placebo to...
Question 2 A study was conducted to examine the effectiveness of a new nasal spray designed to reduce hay fever symptoms. The researchers involved with this study recruited 300 participants and divided them into either the treatment group (consisting of the new nasal spray) or the control group (consisting of a placebo spray). The table below summarises these results No change 81 61 59 Group Treatment Placebo a) Based on this scenario, state whether we should use relative risk (RR)...
y Notes As You A drug company is developing a product which is intended to shorten the duration of colds. To determine if the product is effective, a study is done with two groups of physiologically similar people. The placebo group is given a sugar pill, the treatment group is given the cold remedy, and the results are given below Cold duration (days) Placebo group (relative frequency) Treatment group (fnequency) 0-5 days 10-12 days 13+ days We want to determine...
Quiz: Bidwell Quiz - Chapter 1 - Data Collection Time Remain 00:33:58 Submit Quiz This Question: 1 pt 6 of 10 (4 complete) This Quiz: 10 pts possible of a new drug therapy for treating patlients with dementia. To do this, they identified 75 patients with a diagnosis of dementia. Patients were randomly assigned to one of three treatment groups. Twenty-five patients were randomly assigned to receive the new drug therapy, another 25 received the older drug therapy, and the...
Quel He Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 39 of the 46 subjects treated with echinacea developed rhinovirus infections. In a placebo group. 73 of the 90 subjects developed rhinovirus infections. Use a 0.01 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of subjects...
1. Use a χ2 test to
test the claim that in the given contingency table, the row
variable and the column variable are independent.
Responses to a survey question are broken down according to
employment status and the sample results are given below. At the
0.10 significance level, test the claim that response and
employment status are independent.
a. find the test statistic
2. Use a χ2 test to
test the claim that in the given contingency table, the row...
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