.(10000001.00001011.00001011.11101111)

Represent the following numbers in hexadecimal number system:  (85,238)10 (1,056,327)10 (3462)8 (1100101000011101110)2

dec 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 bin 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 1111 hex

SAT Income GPA 1651 47000 2.79 1581 34000 2.97 1790 90000 3.48 1626 60000 2.5 1754 113000 2.92 1754 71000 3.76 1706 105000 2.8 1765 59000 3.26 1786 50000 3.89 1686 27000 3.67 1790 107000 3.31 1707 109000 3.16 1804 81000 3.73 1712 62000 3.21 1607 72000 2.8 1738 63000 3.7 1790 55000 3.86 1796 64000 3.91 1547 47000 2.63 1692 89000 2.98 1711 42000 3.45 1689 70000 3.06 1740 118000 2.88 1940 113000 3.96 A researcher studies the relationship between SAT scores, the test-taker’s family income (Income), and his/her grade point average (GPA). Data are collected from 24 students. A portion of the data is shown in the accompanying Excel Estimate: SAT = β0+ β1Income + β2GPA At the 5% significance level, are income and GPA individually significant? Show the relevant steps of each test, using the critical value approach. At the 5% significance level, are income and GPA jointly significant? Show the relevant steps of the hypothesis test, using the…