_________ is the embryonic tissue layer that makes the gut lining.

What term is used to describe the pattern of more and more states holding their primaries and caucuses in presidential elections earlier in the year?

Because elections are conducted by states and not the US government [Check all that apply.]

_______________ changes the genetic code randomly.

_____________ are partnerships between fungi and plants (not algae or cyanobacteria!)

Quick Problems (25 problems, 1 pt each)

[Continued] Use the Enrollment sheet. Based on your regression model from the previous question, what is the predicted enrollment in Year 20? One decimal place.

Use the InsurancePremium sheet. Develop a multiple linear regression model to predict the monthly car insurance premium based on the age of the driver and the type of car (sedan, SUV, or sports car). Use sedan as the baseline. What is the estimated monthly insurance premium for a 17-year-old driver with a sports car? Please round your answer to the nearest integer.

If the total sum of squares (SST) is 2,640.5 and the sum of squares due to error (SSE) is 715.3, what is the r-squared value? Please round your answer to four decimal places.

If the total sum of squares (SST) is 2,850.1 and the sum of squares due to error (SSE) is 600.2, what is the r-squared value? Please round your answer to four decimal places.