Suppose you were to create a scatter plot of outside temperature and amount of heating bill. Would you expect to see a positive, negative, or no relationship between the two variables. Explain your answer.
a. no relationship.
b. positive relationship; as the outside temperature decreases, the amount of the heating bill
increases.
C. positive relationship; as the outside temperature increases, the amount of the heating bill
increases
d. negative relationship; as the outside temperature decreases, the amount of the heating bill
increases

How do you solve a question like this?

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?

What are the domain and range of the function f(x)=2^x+1