Can you solve 8) no handwriting please The cetane number is a critical property in specifying the ignition quality of a fuel used in adiesel engine. Determination of this number for a biodiesel fuel is expensive and time-consuming. The article "Relating the Cetane Number of Biodiesel Fuels to Their Fatty AcidComposition: A Critical Study" (J. of Automobile Engr., 2009: 565–583) included thefollowing data on x= iodine value (g) and y = cetane number for a sample of 15 biofuelsThe iodine value (x) is the amount of iodine necessary to saturate a sample of 100 g of oil.The article's authors fit the simple linear regression model to this data, so let' s does thesame.x 132.0 129.0 120.0 113.2 105.0 92.0 84.0 88.4 59.0 80.0 81.0 81.5 71.0 69.2 63.0у 46.048.0 51.0 52.154.0 52.0 59.0 58.7 61.6 64.0 61.4 54.6 58.8 58.0 51.47) Using the analysis of variance ANOVA output obtained from the print output calculatethe coefficient of determination of the data and provide an interpretation of this quantity.State the null hypothesis and alternative hypothesis for the above model. Should the nullhypothesis be rejected?8) What are the assumptions of a simple linear regression model.

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Description: Can you solve 8) no handwriting please The cetane number is a critical property in specifying the ignition quality of a fuel used in adiesel engine. Determination of this number for a biodiesel fuel is expensive and time-consuming. The article "Relat

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8) What are the assumptions of a simple linear regression model.

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Concept explainers

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.

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Can you solve 8) no handwriting please

The cetane number is a critical property in specifying the ignition quality of a fuel used in a
diesel engine. Determination of this number for a biodiesel fuel is expensive and time-
consuming. The article "Relating the Cetane Number of Biodiesel Fuels to Their Fatty Acid
Composition: A Critical Study" (J. of Automobile Engr., 2009: 565–583) included the
following data on x= iodine value (g) and y = cetane number for a sample of 15 biofuels
The iodine value (x) is the amount of iodine necessary to saturate a sample of 100 g of oil.
The article's authors fit the simple linear regression model to this data, so let' s does the
same.
x 132.0 129.0 120.0 113.2 105.0 92.0 84.0 88.4 59.0 80.0 81.0 81.5 71.0 69.2 63.0
у 46.0
48.0 51.0 52.1
54.0 52.0 59.0 58.7 61.6 64.0 61.4 54.6 58.8 58.0 51.4
7) Using the analysis of variance ANOVA output obtained from the print output calculate
the coefficient of determination of the data and provide an interpretation of this quantity.
State the null hypothesis and alternative hypothesis for the above model. Should the null
hypothesis be rejected?
8) What are the assumptions of a simple linear regression model.

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