Holding educ fixed, at what value of exper does additional experience actually lower predicted log(wage) in the following regression equation?  log(wage) = 0.1 + 0.3*educ + 0.2*exper – 0.01*exper2  + u

Are these statements correct? Why? R-squared can be greater than 1 t-statistics can be less than 0 Correlation must be greater than 0

You believe that the time since an artist’s death has a large impact on the price of their paintings. Using a random sample of oil painting sales (in thousands of dollars; sales) and time from the artist’s death to the sale of the painting (in years; Time) you generate the following regression output: oil painting sales = beta_0 + beta_1 * Time. (i) You want to test the hypothesis that an additional one year from the time of death to the sale of a painting will increase the price of the painting by $30,000 (30 units in the dependent variable). What is the null hypothesis? (ii) You want to test the hypothesis that an additional ten years from the time of death (10 units in Time) to the sale of a painting will increase the price of the painting by $100,000 (100 units in the dependent variable). What is the null hypothesis?

How do the stage directions in a play contribute to the story?

Choose one literary work we have studied: The Miracle Worker, “Jesus Shaves,” “Advice to Youth,” “Good Country People,” “The Life You Save May Be Your Own,” “The Veldt,” or “The Pedestrian.” Identify a symbol in the text and explain what it represents. This answer should be 2-3 sentences. DO NOT CHOOSE THE SAME STORY FOR MORE THAN ONE SHORT ANSWER QUESTION.

This dystopian author typed his most famous novel on a rented typewriter at UCLA in 9 days. 

For bonus points, what is the Fresh Prince of Bel Air’s name?

How does Annie Sullivan’s teaching approach contribute to Helen Keller’s breakthrough at the end of the play? Describe at least one specific example from The Miracle Worker to support your answer. This answer should be a solid paragraph of 7-10 sentences.

From The Miracle Worker which answer choice best describes the theme of the story? 

This dystopian story critiques how an overreliance on technology can change the development of children.