Question 6 A study on a range of automotive lubricants reported the following data on oxidation-induction time (min) for various commercial oils: Oxidation-Induction Time: 87 103 130 160 180 195 132 145 211 105 145 153 152 138 87 99 93 119 129 a. Calculate the sample variance and standard deviation for the oxidation-induction time. b. If the observations were converted and displayed in hours, what would be the resulting values of the sample variance and sample standard deviation? Answer without actually performing the conversion.
Question 6 A study on a range of automotive lubricants reported the following data on oxidation-induction time (min) for various commercial oils: Oxidation-Induction Time: 87 103 130 160 180 195 132 145 211 105 145 153 152 138 87 99 93 119 129 a. Calculate the sample variance and standard deviation for the oxidation-induction time. b. If the observations were converted and displayed in hours, what would be the resulting values of the sample variance and sample standard deviation? Answer without actually performing the conversion.
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Author:Amos Gilat
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![car after three years of use?
Question 6
A study on a range of automotive lubricants reported the following data on oxidation-induction
time (min) for various commercial oils:
Oxidation-Induction Time: 87 103 130 160 180 195 132
145
211
105
145 153 152 138 87 99 93
119
129
a. Calculate the sample variance and standard deviation for the oxidation-induction time.
b. If the observations were converted and displayed in hours, what would be the resulting
values of the sample variance and sample standard deviation? Answer without actually
performing the conversion.
Page 1 of 2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8c00a30f-1218-4c46-8723-f69e1ff61765%2Ff881ccc5-f8df-4227-bf7e-e0d7fe4b4ba7%2Flh37g5b_processed.jpeg&w=3840&q=75)
Transcribed Image Text:car after three years of use?
Question 6
A study on a range of automotive lubricants reported the following data on oxidation-induction
time (min) for various commercial oils:
Oxidation-Induction Time: 87 103 130 160 180 195 132
145
211
105
145 153 152 138 87 99 93
119
129
a. Calculate the sample variance and standard deviation for the oxidation-induction time.
b. If the observations were converted and displayed in hours, what would be the resulting
values of the sample variance and sample standard deviation? Answer without actually
performing the conversion.
Page 1 of 2
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