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Assume that the hay fever rate in each age group has an approximately normal distribution. Do the data indicate that the age group over 50 has a lower rate of hay fever? Use a =0.05. If 0.025

Assume that the hay fever rate in each age group has an approximately normal distribution. Do the data indicate that the age group over 50 has a lower rate of hay fever? Use a =0.05. If 0.025

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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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A random sample of n1 = 16 communities in western Kansas gave the following information for people under 25 years of age. X1: Rate of hay fever per 1000 population for people under 25 93 121 83 128 121 113 111 106 113 108 126 102 145 101 108 81 A random sample of n2 = 14 regions in western Kansas gave the following information for people over 50 years old. x2: Rate of hay fever per 1000 population for people over 50 102 81 86 94 73 107 102 104 113 118 101 106 83 119 Assume that the hay fever rate in each age group has an approximately normal distribution. Do the data indicate that the age group over 50 has a lower rate of hay fever? Use a =0.05. If 0.025 < P-value < 0.05, will you reject or fail to reject the null hypothesis? Are the data statistically significant at confidence level a?
Transcribed Image Text:A random sample of n1 = 16 communities in western Kansas gave the following information for people under 25 years of age. X1: Rate of hay fever per 1000 population for people under 25 93 121 83 128 121 113 111 106 113 108 126 102 145 101 108 81 A random sample of n2 = 14 regions in western Kansas gave the following information for people over 50 years old. x2: Rate of hay fever per 1000 population for people over 50 102 81 86 94 73 107 102 104 113 118 101 106 83 119 Assume that the hay fever rate in each age group has an approximately normal distribution. Do the data indicate that the age group over 50 has a lower rate of hay fever? Use a =0.05. If 0.025 < P-value < 0.05, will you reject or fail to reject the null hypothesis? Are the data statistically significant at confidence level a?
Assume that the hay fever rate in each age group has an approximately normal distribution. Do the data indicate that the age group over 50 has a lower rate of hay fever? Use a =0.05. If 0.025 < P-value <0.05, will you reject or fail to reject the null hypothesis? Are the data statistically significant at confidence level a? O Since the P-value is greater than the level of significance, the data are statistically significant. Thus, we fail to reject the null hypothesis. O Since the P-value is greater than the level of significance, the data are not statistically significant. Thus, we fail to reject the null hypothesis. O Since the P-value is greater than the level of significance, the data are statistically significant. Thus, we reject the null hypothesis. Since the P-value is less than the level of significance, the data are not statistically significant. Thus, we fail to reject the null hypothesis. O Since the P-value is greater than the level of significance, the data are not statistically significant. Thus, we reject the null hypothesis.
Transcribed Image Text:Assume that the hay fever rate in each age group has an approximately normal distribution. Do the data indicate that the age group over 50 has a lower rate of hay fever? Use a =0.05. If 0.025 < P-value <0.05, will you reject or fail to reject the null hypothesis? Are the data statistically significant at confidence level a? O Since the P-value is greater than the level of significance, the data are statistically significant. Thus, we fail to reject the null hypothesis. O Since the P-value is greater than the level of significance, the data are not statistically significant. Thus, we fail to reject the null hypothesis. O Since the P-value is greater than the level of significance, the data are statistically significant. Thus, we reject the null hypothesis. Since the P-value is less than the level of significance, the data are not statistically significant. Thus, we fail to reject the null hypothesis. O Since the P-value is greater than the level of significance, the data are not statistically significant. Thus, we reject the null hypothesis.
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