In a 1868 paper, German physician Carl Wunderlich reported based on over a million body temperature readings that the mean body temperature for healthy adults is 98.6° F. However, it is now commonly believed that the mean body temperature of a healthy adult is less than what was reported in that paper. To test this hypothesis a researcher measures the following body temperatures from a random sample of healthy adults. 98.4, 98.3, 98.5, 98.5, 97.3, 98.4

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In a 1868 paper, German physician Carl Wunderlich reported based on over a
million body temperature readings that the mean body temperature for healthy
adults is 98.6° F. However, it is now commonly believed that the mean body
temperature of a healthy adult is less than what was reported in that paper. To test
this hypothesis a researcher measures the following body temperatures from a
random sample of healthy adults.
98.4, 98.3, 98.5, 98.5, 97.3, 98.4
(a) Find the value of the test statistic.
(b) Find the 1% critical value.
Transcribed Image Text:In a 1868 paper, German physician Carl Wunderlich reported based on over a million body temperature readings that the mean body temperature for healthy adults is 98.6° F. However, it is now commonly believed that the mean body temperature of a healthy adult is less than what was reported in that paper. To test this hypothesis a researcher measures the following body temperatures from a random sample of healthy adults. 98.4, 98.3, 98.5, 98.5, 97.3, 98.4 (a) Find the value of the test statistic. (b) Find the 1% critical value.
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