For Questions , use the following narrative
Narrative: Cell phone use
How do men and women compare when it comes to talking on the cell phone? Suppose you take a random sample of 100 male cell phone owners and a random sample of 100 female cell phone owners.The average number of minutes for the women per month was 280 with a standard deviation of 10; the average number of minutes for the men per month was 190 with a standard deviation of 30.
-{Cell phone use narrative} Based on these sample results, what is the difference in average time spent on the cell phone for females versus males?

Question

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The Answer of For Questions , use the following narrative
Narrative: Cell phone use
How do men and women compare when it comes to talking on the cell phone? Suppose you take a random sample of 100 male cell phone owners and a random sample of 100 female cell phone owners.The average number of minutes for the women per month was 280 with a standard deviation of 10; the average number of minutes for the men per month was 190 with a standard deviation of 30.
-{Cell phone use narrative} Based on these sample results, what is the difference in average time spent on the cell phone for females versus males?

For Questions , Use the Following Narrative