The Bradford Electric Illuminating Company is studying the relationship between kilowatt-hours (thousands) used and the number of rooms in a private single-family residence. A random sample of 10 homes yielded the following: NUMBER OF ROOMSKILOWATT-HOURS
1216
910
1420
65
1011
87
1012
1014
78
916
a. Find X and Y. Find the regression equation. Calculate a and b.

b. Determine the number of kilowatt-hours, in thousands, for an 11-room house.

c. Find the coefficient of determination and interpret its meaning.

d. Find the coefficient of correlation and interpret its meaning.

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Select all that apply. select the ways that labor unions can increase wages. collective bargaining reducing the labor supply increasing the demand for labor creating monopolies

Which of the following statements is true regarding the reporting of outside interests and the management of conflicts? investigators are responsible for developing their own management plans for significant financial interests. the institution must report identified financial conflicts of interest to the u.s. office of research integrity. investigators must disclose their significant financial interests related to their institutional responsibilities and not just those related to a particular project. investigators must disclose all of their financial interests regardless of whether they are related to a research project.