The Excellent Drug Company claims its aspirin tablets will relieve headaches faster than any oth aspirin on the market. To determine whether Excellent's claim is valid, 30 volunteers who are suf from headaches are randomly assigned to two groups. The subjects in one group are given Exce aspirin, and the subjects in the other group are given aspirin from the Simple Drug company. The number of minutes required for each subject to recover from the headache is recorded. A test is performed using a 0.05 to determine whether Excellent's aspirin cures headaches significantly: than Simple's aspirin. The data were analyzed with MINITAB, and the following output was obtair StDev SE Mean Mean Excellent 15 8.4 4.23 1.092 Simple 15 8.9 4.61 1.190 Difference = mu(Excellent) - mu(Simple) Estimate for difference: -0.5 T-Test of difference = 0 (vs not =): T-Value -0.380 P-Value = 0.3796 DF = 27.8 If the company performing this test committed a Type Il error, which of the following describes wha happened? The company hasn't concluded that Excellent aspirin works faster than Simple aspirin when it does. O The company failed to reject Ho when the P-value was less than a. O The company concluded that Excellent aspirin works faster than Simple aspirin when it does. OThe company rejected Ho when the P-value was greater than e. O The company concluded that Excellent aspirin works faster than Simple aspirin when it doesn't.
The Excellent Drug Company claims its aspirin tablets will relieve headaches faster than any oth aspirin on the market. To determine whether Excellent's claim is valid, 30 volunteers who are suf from headaches are randomly assigned to two groups. The subjects in one group are given Exce aspirin, and the subjects in the other group are given aspirin from the Simple Drug company. The number of minutes required for each subject to recover from the headache is recorded. A test is performed using a 0.05 to determine whether Excellent's aspirin cures headaches significantly: than Simple's aspirin. The data were analyzed with MINITAB, and the following output was obtair StDev SE Mean Mean Excellent 15 8.4 4.23 1.092 Simple 15 8.9 4.61 1.190 Difference = mu(Excellent) - mu(Simple) Estimate for difference: -0.5 T-Test of difference = 0 (vs not =): T-Value -0.380 P-Value = 0.3796 DF = 27.8 If the company performing this test committed a Type Il error, which of the following describes wha happened? The company hasn't concluded that Excellent aspirin works faster than Simple aspirin when it does. O The company failed to reject Ho when the P-value was less than a. O The company concluded that Excellent aspirin works faster than Simple aspirin when it does. OThe company rejected Ho when the P-value was greater than e. O The company concluded that Excellent aspirin works faster than Simple aspirin when it doesn't.
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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Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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