Mathematics, 12.03.2021 16:50 heinslice3
An article in technometric (Vol 19 1997 p. 425) present the following data on the motor fuel
octane ratings of several blends of gasoline (60%):
88,5 98,8 89,6 92,2 92,7 88,4 87,5 90,9
94,7 88,3 90,4 83,4 87,9 92,6 87,8 89,9
84,3 90,4 91,6 91,0 93,0 93,7 88,3 91,8
90,1 91,2 90,7 88,2 94,4 96,5 89,2 89,7
89,0 90,6 88,6 88,5 90,4 84,3 92,3 92,2
89,8 92,2 88,3 93,3 91,2 93,2 88,9
91,6 87,7 94,2 87,4 86,7 88,7 92,7
90,3 91,1 85,3 91,1 94,2 92,7 93,3
90,0 86,7 90,1 90,5 90,8 88,6 89,8
91,5 93,4 89,3 100,3 90,1 89,3 86,789,9 96,1 91,1 87,6 91,8 91,0 91,0
a. Calculate the sample mean, standard deviation, sample median and of fuel octane ratings.
Explain how these three measure of location describe different features in the data.
c. Calculate the interquartile range
Answers: 3
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An article in technometric (Vol 19 1997 p. 425) present the following data on the motor fuel
octane...
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