Hypothesis testing about a difference in population means between two groups 3. Dylan wonders whether American and Swedi

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Hypothesis Testing About A Difference In Population Means Between Two Groups 3 Dylan Wonders Whether American And Swedi 1 (28.35 KiB) Viewed 133 times

Hypothesis testing about a difference in population means between two groups 3. Dylan wonders whether American and Swedish women spend different amounts of time on housework per day. Using the 2016 International Social Survey Program data, he computed the mean and standard deviation of each sample. (16.5pts) American women Swedish women X = 1.92 8. = 2.85 S = 18 N=740 S; = 20 N = 680 a) Using the significance level of 05, test the null hypothesis that American and Swedish women on average spend an equal number of hours per day doing housework. (Round all calculations to 3 decimal places) b) Is the difference between the difference in means observed between the samples statistically significant? Explain why, using the language of probability c) What is your conclusion? Is there relationship between the variables statistically significant? Interpret the results in terms of the original research question.