estimate, to the nearest tenth, the difference between the average number of awakenings during the night between 25-year-old men and 25-year-old women if women woke up 1.5 times and men woke up 3 times a night.
Subtract 1.5 from 3.0
-1.5
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To estimate the difference between the average number of awakenings during the night between 25-year-old men and women, you need to find the average number of awakenings for each group and then subtract the average for women from the average for men.
First, calculate the average number of awakenings for women. We are given that women wake up 1.5 times per night.
Next, calculate the average number of awakenings for men. We are given that men wake up 3 times per night.
To find the difference, subtract the average number of awakenings for women from the average number of awakenings for men.
Let's work this out:
Average awakenings for women = 1.5
Average awakenings for men = 3
Difference = Average awakenings for men - Average awakenings for women
Difference = 3 - 1.5
Difference = 1.5
Therefore, the estimated difference between the average number of awakenings during the night between 25-year-old men and women is 1.5, to the nearest tenth.