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To investigate the effect of general hospital experience on the attitudes of physicians toward Medicare patients, a random sample of 50 physicians who had just completed 4 weeks of service in a general hospital were surveyed, generating the data in the table. Concern Before Low High Chi-Square Test Concern After High Low Total 26 10 5 9 31 19 Test Statistic DF P-Value 5.702 Do the data provide sufficient evidence to indicate an association between the level of concern after general hospital experience and the level of concern before? (Use a = 0.05. and the partial output from the Chi-Square test.) State the null and alternative hypotheses. O Ho: Level of concern after is linearly related to level of concern before. H: Level of concern after is independent of level of concern before. O Ho: Level of concern after is independent of level of concern before. H: Level of concern after is dependent of level of concern before. O Ho: Level of concern after is independent of level of concern before. H: Level of concern after is linearly related to level of concern before. O Ho: The physicians and Medicare patients have the same concerns.

To investigate the effect of general hospital experience on the attitudes of physicians toward Medicare patients, a random sample of 50 physicians who had just completed 4 weeks of service in a general hospital were surveyed, generating the data in the table. Concern Before Low High Chi-Square Test Concern After High Low Total 26 10 5 9 31 19 Test Statistic DF P-Value 5.702 Do the data provide sufficient evidence to indicate an association between the level of concern after general hospital experience and the level of concern before? (Use a = 0.05. and the partial output from the Chi-Square test.) State the null and alternative hypotheses. O Ho: Level of concern after is linearly related to level of concern before. H: Level of concern after is independent of level of concern before. O Ho: Level of concern after is independent of level of concern before. H: Level of concern after is dependent of level of concern before. O Ho: Level of concern after is independent of level of concern before. H: Level of concern after is linearly related to level of concern before. O Ho: The physicians and Medicare patients have the same concerns.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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To investigate the effect of general hospital experience on the attitudes of physicians toward Medicare patients, a random sample of 50 physicians who had just completed 4 weeks of service in a general hospital were surveyed, generating the data in the table. Concern Before Low High Chi-Square Test Concern After High Low Total 26 10 Test Statistic DF 5.702 5 9 31 19 P-Value Do the data provide sufficient evidence to indicate an association between the level of concern after general hospital experience and the level of concern before? (Use α = 0.05. and the partial output from the Chi-Square test.) State the null and alternative hypotheses. O Ho: Level of concern after is linearly related to level of concern before. H: Level of concern after is independent of level of concern before. O Ho: Level of concern after is independent of level of concern before. H: Level of concern after is dependent of level of concern before. O Ho: Level of concern after is independent of level of concern before. H: Level of concern after is linearly related to level of concern before. O Ho: The physicians and Medicare patients have the same concerns. H: The physicians and Medicare patients have different concerns.
Transcribed Image Text:To investigate the effect of general hospital experience on the attitudes of physicians toward Medicare patients, a random sample of 50 physicians who had just completed 4 weeks of service in a general hospital were surveyed, generating the data in the table. Concern Before Low High Chi-Square Test Concern After High Low Total 26 10 Test Statistic DF 5.702 5 9 31 19 P-Value Do the data provide sufficient evidence to indicate an association between the level of concern after general hospital experience and the level of concern before? (Use α = 0.05. and the partial output from the Chi-Square test.) State the null and alternative hypotheses. O Ho: Level of concern after is linearly related to level of concern before. H: Level of concern after is independent of level of concern before. O Ho: Level of concern after is independent of level of concern before. H: Level of concern after is dependent of level of concern before. O Ho: Level of concern after is independent of level of concern before. H: Level of concern after is linearly related to level of concern before. O Ho: The physicians and Medicare patients have the same concerns. H: The physicians and Medicare patients have different concerns.
State the degrees of freedom. df = Find the p-value. (Round to three decimal places) p-value = State the conclusion. O Ho is not rejected. There is sufficient evidence to indicate the level of concern after is dependent on the level of concern before. O Ho is rejected. There is insufficient evidence to indicate the level of concern after is dependent on the level of concern before. O Ho is not rejected. There is insufficient evidence to indicate the level of concern after is dependent on the level of concern before. OH is rejected. There is sufficient evidence to indicate the level of concern after is dependent on the level of concern before. Do the data suggest a change in "concern" after the general hospital experience? If so, describe the nature of the change. OA small proportion of physicians appear to change their level of concern from high to low after general hospital experience. A large proportion of physicians appear to change their level of concern from high to low after general hospital experience. O A large proportion of physicians appear to change their level of concern from low to high after general hospital experience. A small proportion of physicians appear to change their level of concern from low to high after general hospital experience. The physicians' level of concern stayed the same after general hospital experience.
Transcribed Image Text:State the degrees of freedom. df = Find the p-value. (Round to three decimal places) p-value = State the conclusion. O Ho is not rejected. There is sufficient evidence to indicate the level of concern after is dependent on the level of concern before. O Ho is rejected. There is insufficient evidence to indicate the level of concern after is dependent on the level of concern before. O Ho is not rejected. There is insufficient evidence to indicate the level of concern after is dependent on the level of concern before. OH is rejected. There is sufficient evidence to indicate the level of concern after is dependent on the level of concern before. Do the data suggest a change in "concern" after the general hospital experience? If so, describe the nature of the change. OA small proportion of physicians appear to change their level of concern from high to low after general hospital experience. A large proportion of physicians appear to change their level of concern from high to low after general hospital experience. O A large proportion of physicians appear to change their level of concern from low to high after general hospital experience. A small proportion of physicians appear to change their level of concern from low to high after general hospital experience. The physicians' level of concern stayed the same after general hospital experience.
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