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Home Q & A Board Science-Related Homework Help Mathematics
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atravistwins atravistwins
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9 years ago
A medical doctor wishes to test the claim that the standard deviation of the systolic blood pressure of deep sea divers is greater than 450. To do so, she selected a random sample of 25 divers and found s = 468. Assuming that the systolic blood pressures of deep sea divers are normally distributed, the doctor would perform a chi-square test to test her research hypothesis. In that case, what is the test value that she would compute.
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9 years ago Edited: 9 years ago, alyssa_19
test statistic is a Chi-square variable with 25-1=24 deg. freedom. From Chi-square table,
 .01 critical value is 42.98

Hope this helps  Slight Smile
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atravistwins Authoratravistwins
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9 years ago
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9 years ago
its 42.980

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