Which one of the following is a validity condition for theory-based tests for regression? select one: a. the variability of the points around the regression line should not differ as you slide along the x-axis. b. the scatterplot should show a positive association between the explanatory and response variables. c. the variability of the explanatory variable should be the same as the variability of the response variable. d. there should be at least 10 successes and 10 failures in the data.

Write an equation for the function that includes the points (2,100)and (3,100)

Barbara has a good credit history and is able to purchase a car with a low-interest car loan. she co-signs a car loan for her friend jen, who has poor credit history. then, jen defaults on the loan. who will be held legally responsible by the finance company and why? select the best answer from the choices provided. a. barbara will be held legally responsible because she has a good credit history. b. jen will be held legally responsible because she drives the car. c. barbara will be held legally responsible because she is the co-signer. d. jen will be held legally responsible because she has a poor credit history. the answer is a

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.