In Exercises 5-20, find the (a) mean , (b) median , (c) mode , and (d) midrange for the given sample data. Express answers with the appropriate units of measurement. Then answer the given questions . 9. Harry Potter listed below are the gross amounts (in millions of dollars) earned in box office receipts for the movie Harry Potter and the Half-Blood Prince . The movie opened on a Wednesday, and the amounts are listed in order for the first 14 days of the movie’s release. What important feature of the data is not revealed through the different measures of center? What is an explanation for the fact that the three highest amounts are the first, third, and fourth values listed? 58 22 27 29 21 10 10 8 7 9 11 9 4 4
In Exercises 5-20, find the (a) mean , (b) median , (c) mode , and (d) midrange for the given sample data. Express answers with the appropriate units of measurement. Then answer the given questions . 9. Harry Potter listed below are the gross amounts (in millions of dollars) earned in box office receipts for the movie Harry Potter and the Half-Blood Prince . The movie opened on a Wednesday, and the amounts are listed in order for the first 14 days of the movie’s release. What important feature of the data is not revealed through the different measures of center? What is an explanation for the fact that the three highest amounts are the first, third, and fourth values listed? 58 22 27 29 21 10 10 8 7 9 11 9 4 4
Solution Summary: The author calculates the mean for gross amounts earned in box office receipts for the movie Harry Potter and the Half-Blood Prince, which is 16.4 million.
In Exercises 5-20, find the (a) mean, (b) median, (c) mode, and (d) midrange for the given sample data. Express answers with the appropriate units of measurement. Then answer the given questions.
9. Harry Potter listed below are the gross amounts (in millions of dollars) earned in box office receipts for the movie Harry Potter and the Half-Blood Prince. The movie opened on a Wednesday, and the amounts are listed in order for the first 14 days of the movie’s release. What important feature of the data is not revealed through the different measures of center? What is an explanation for the fact that the three highest amounts are the first, third, and fourth values listed?
58 22 27 29 21 10 10 8 7 9 11 9 4 4
Definition Definition Number of subjects or observations included in a study. A large sample size typically provides more reliable results and better representation of the population. As sample size and width of confidence interval are inversely related, if the sample size is increased, the width of the confidence interval decreases.
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