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The data below from the Florida Student Survey shows the number of hours per week using social networks for samples of males and females. Females:
The data below from the Florida Student Survey shows the number of hours per week using social networks for samples of males and females. Females: 5, 3, 6, 3. 7, 1, 1, 3, 0, 4, 7, 2, 2. 7, 3, 0. 5, 0, 4, 4, 5, 14, 3, 1, 2, 1, 7. 2. 5, 3,7 Males: 0, 3, 7, 4, 3, 2. 1, 12. 1, 6, 2, 2. 7. 7, 5. 3, 14, 3. 7, 6, 5, 5. 2, 3, 5, 5, 2, 3, 3 We wish to use t-procedures to make inferences regarding . Below are the (R) software results. Use these results to answer Questions 19-20. Welch Two Sample t-test data: females and males t = 1.7772, df = 30.574, p-value = 0.08548 alternative hypothesis: true difference in means is not equal to O 95 percent confidence interval: -0.5488456 7.9536075 sample estimates: mean of x mean of y 15.61905 11.91667 Question 19 1 pts Choose the best interpretation of the confidence interval. O The probability that the mean number of hours per week on social networking is higher for females than for males is 0.95. We are 95% confident that the average hours per week on social networking for females is anywhere from 0.55 fewer hours to 7.95 more hours than for males. O Since the confidence interval contains 0. we can conclude that females spend more hours per week than males using social networks. O The probability is 0.95 that -0.55 0.05. O Ho tly - Mm = 0 can be rejected since 0.085 > 0.05. O Ho : My - Mm = 0 can be accepted since 0.085 > 0.05
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