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For each of the following, state the null (H0) and alternative (H1) hypotheses.
a) Has the mean community level of suspended particulates for the month of August exceeded 30 units per cubic meter?
b) Does mean age of onset of a certain acute disease for schoolchildren differ from 11.5?
c) Is the average crosssectional area of the lumen of coronary arteries for men ages 40 – 59 less than 31.5% of the total arterial cross section?
 one year ago
 one year ago
For each of the following, state the null (H0) and alternative (H1) hypotheses. a) Has the mean community level of suspended particulates for the month of August exceeded 30 units per cubic meter? b) Does mean age of onset of a certain acute disease for schoolchildren differ from 11.5? c) Is the average crosssectional area of the lumen of coronary arteries for men ages 40 – 59 less than 31.5% of the total arterial cross section?
 one year ago
 one year ago

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