04. Notebook + Quiz: Fitting A MLR Model

Code

If you need a code on the https://github.com/udacity.

QUIZ QUESTION::

Based on the results of your simple linear regression models, match each of the variables to the correct claim about their significance in predicting price.

ANSWER CHOICES:



Variable

Statistically Significant or Not

Bedrooms

Bathrooms

Area
SOLUTION:

Variable

Statistically Significant or Not

Bedrooms

Bathrooms

Area

Bedrooms

Bathrooms

Area

Bedrooms

Bathrooms

Area

If you sum the Rsquared values from each of the three simple linear regression models together, what is the result?
SOLUTION: Greater than 1

QUIZ QUESTION::

Based on the results of your multiple linear regression model using all of the variables, match each of the variables to the correct claim about their significance in predicting price.

ANSWER CHOICES:



Variable

Statistically Significant or Not

Bedrooms

Bathrooms

Area
SOLUTION:

Variable

Statistically Significant or Not

Bedrooms

Bathrooms

Area

Bedrooms

Bathrooms

Bedrooms

Bathrooms

Area

Area

When adding all of your variables into a single multiple linear regression model, what was true of your Rsquared value?
SOLUTION: It is less than 1.

When adding style to the multiple linear regression model, the following happens:
SOLUTION: There is an error, because an object cannot be added to the multiple linear regression model.

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