Please help me with this. Also please show the work if possible. Thank you!

Explore the "grade" data using attached. Estimate a model that examines the relationship between grade and drinks consumed per week (drinks) and hours studied per week (hours). Please interpret your results w/ emphasis on the model's coefficient of determination, mean squared error, and parameter coefficients.

Demand for New Passenger Cars in the United States, 1971 to 1986 Year Y X2 X3 X4 X5 X6 1971 10227 112 121.3 776.8 4.89 79367 1972 10872 11 1 125.3 339.6 4.55 82153 1973 11350 111.1 133.1 949.8 7.38 85064 1974 8775 117.5 147.7 1038.4 8.61 86794 1975 8539 127.6 161.2 1142.8 6.16 85846 1976 9994 135.7 170.5 1252.6 5.22 88752 1977 11046 142.9 181.5 1379.3 5.5 92017 1978 11164 153.8 195.4 1551.2 7.78 96048 1979 10559 166 217.4 1729.3 10.25 98824 1980 3979 179.3 246.8 1918 11.28 99303 1981 8535 190.2 272.4 2127.6 13.73 100397 1982 7980 197.6 289.1 2261.4 11.2 99526 1983 9179 202.6 298.4 2428.1 8.69 100834 1984 10394 208.5 311.1 2670.6 9.65 105005 1985 11039 215.2 322.2 2841.1 7.75 107150 1986 11450 224.4 328.4 3022.1 6.31 109597 Notes: Y = New passenger cars sold (thousands), seasonally unadjusted X2 = New cars Consumer Price Index (1967 = 100), seasonally unadjusted X3 = Consumer Price Index, all items, all urban consumers (1967 = 100), seasonally unadjusted X4 = Personal disposable income (PDI) ($, in billions), unadjusted forseasonal variation X5 = Interest rate (percent), finance company paper placed directly X6 = Employed civilian labor force (thousands), unadjusted for seasonal variation Source: Business Statistics, 1986, a Supplement to the Current Survey of Business, U.S. Department of Commerce