# Question Question 3 25 pts Which of the following cases represent paired differences and which are differences between 2 independent samples? The difference between the average time a child spends with their mother and the average time the child spends with their father (in a hetero family) [Select] The difference between the average IQ of the first-born twin and of the second-born twin [ Select] The difference between the average number of books read per year by the residents of the states of California and New York [Select] The difference between the average amount grossed by Paramount Pictures and Warner Bros. movies [Select ] The difference between the shares of the republican and the democratic candidate in each year of the US elections. [ Select ] Question 4 10 pts You are computing a confidence interval for the difference in 2 population proportions. Which of the following could be negative? Select all. P1 01 - P2 The standard error The critical value The lower bound of the confidence interval The upper bound of the confidence interval

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Transcribed Image Text: Question 3 25 pts Which of the following cases represent paired differences and which are differences between 2 independent samples? The difference between the average time a child spends with their mother and the average time the child spends with their father (in a hetero family) [Select] The difference between the average IQ of the first-born twin and of the second-born twin [ Select] The difference between the average number of books read per year by the residents of the states of California and New York [Select] The difference between the average amount grossed by Paramount Pictures and Warner Bros. movies [Select ] The difference between the shares of the republican and the democratic candidate in each year of the US elections. [ Select ] Question 4 10 pts You are computing a confidence interval for the difference in 2 population proportions. Which of the following could be negative? Select all. P1 01 - P2 The standard error The critical value The lower bound of the confidence interval The upper bound of the confidence interval
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Transcribed Image Text: Question 3 25 pts Which of the following cases represent paired differences and which are differences between 2 independent samples? The difference between the average time a child spends with their mother and the average time the child spends with their father (in a hetero family) [Select] The difference between the average IQ of the first-born twin and of the second-born twin [ Select] The difference between the average number of books read per year by the residents of the states of California and New York [Select] The difference between the average amount grossed by Paramount Pictures and Warner Bros. movies [Select ] The difference between the shares of the republican and the democratic candidate in each year of the US elections. [ Select ] Question 4 10 pts You are computing a confidence interval for the difference in 2 population proportions. Which of the following could be negative? Select all. P1 01 - P2 The standard error The critical value The lower bound of the confidence interval The upper bound of the confidence interval