Researchers collected body temperature readings from a sample of adults, and eig

Question

Researchers collected body temperature readings from a sample of adults, and eight of those temperatures are listed below (in degree Fahrenheit). you need to determine the mean and standard deviation) Body temperatures in degrees Fahrenheit x = 98.6 98.6 98.0 98.0 99.0 98.4 98.4 98.4 mean x bar = standard deviation s = Based on these results, is a body temperature of 102.0 degree F unusual? Scientists measured the greenhouse gas emissions of a sample of cars. Amounts listed below are in tons year, expressed as CO_2 equivalents. Is the value of 9.3 tons unusual? (page 104) 7.2 7.1 7.4 7.9 6.5 7.2 8.2 9.3 range = mean x bar = variance s^2 = standard deviation s =

Explanation / Answer

from above as 102 degree distance from mean temperature =(102-98.425)/0.328 =10.899 std deviation away, which seems to be very unusual.

4)arranging the numbers in ascending order

range=maximum -minimum =9.3-6.5=2.8

mean =7.6

variance =(0.859)2 =0.737

std deviation s=0.859

X 98.600 98.600 98.000 98.000 99.000 98.400 98.400 98.400 mean(X) 98.425 std deviation(S) 0.328

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