Page 16 - 新思维科学活动用书8 样章
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1.3 Breathing
2 State the mean volume of air pushed out for women in the 20–29 age group.
Remember to give the unit with your answer.
3 Calculate the difference between the mean volumes of air pushed out for men and women in the
40–49 age group.
Show your working.
4 Describe how the mean volume of air that can be pushed out by women changes with age.
5 Use the graph to predict a value for the mean volume of air that can be pushed out by men aged
between 70 and 79.
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