A survey aims to compare the average reaction times (in seconds) of men (group A) and women (group B) to a certain stimulus. For this, an experiment was carried out to verify if there are differences between the sexes. Assume that the mean times follow a normal distribution and that the variance of the men's mean reaction times (σ2A) is different from the variance of women's mean reaction times (σ2B). Perform an adequate hypothesis test, considering a significance level of 5% Indivíduo 1 2 3 4 5 6 7 8 9 10 Homens 52 66 76 65 52 65 68 Mulheres 60 50 60 50 70 57 59 68 61 65 a. What range of values is the p-value in? b.There is evidence to reject H0 with the level of significance adopted?
A survey aims to compare the average reaction times (in seconds) of men (group A) and women (group B) to a certain stimulus. For this, an experiment was carried out to verify if there are differences between the sexes. Assume that the mean times follow a normal distribution and that the variance of the men's mean reaction times (σ2A) is different from the variance of women's mean reaction times (σ2B). Perform an adequate hypothesis test, considering a significance level of 5% Indivíduo 1 2 3 4 5 6 7 8 9 10 Homens 52 66 76 65 52 65 68 Mulheres 60 50 60 50 70 57 59 68 61 65 a. What range of values is the p-value in? b.There is evidence to reject H0 with the level of significance adopted?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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A survey aims to compare the average reaction times (in seconds) of men (group A) and women (group B) to a certain stimulus. For this, an experiment was carried out to verify if there are differences between the sexes. Assume that the
Indivíduo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Homens | 52 | 66 | 76 | 65 | 52 | 65 | 68 | |||
Mulheres | 60 | 50 | 60 | 50 | 70 | 57 | 59 | 68 | 61 | 65 |
a. What
b.There is evidence to reject H0 with the level of significance adopted?
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