Use the dataset gradesTV in the package openintro.

(a) Describe the variables in the dataset - what units are used. (you can use the h command).
(b) Fit a linear model of Grades on TV plot the data with the regression line.
(c) Plot the standardized residual plot and comment on the validity of the assumptions.
(d) Identify possible outliers, explain why you think they are outliers.
(e) Fit the model to the data without the outliers. Describe the difference between the i model and the original model.
(f) Do you think it is legitimate to remove these outliers?

Hye ryung is the president of the local chapter of the american medical students association (amsa). she is organizing local outreach and informational meetings. at her first meeting there are five people present (including herself). every month after that her group grows by 5 people. a. how many members are in the group after 6 months? b. the logistics of hosting and feeding her group at meetings was more complicated than expected. the cost of feeding 5 people at her first meeting was $30, for 10 people it was $35, for 15 it was $45, and after 6 months all of the costs had added up to $100. write a function to model the cost with the number of people attending meetings. c. what connections can you make between the linear growth of the group’s membership and the increasing costs of running meetings?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

What is fraction that is equivalent to 3/8