The following observations are for two quantitative variables, x and y. Observation x y Observation x y 1 26 60 11 20 95 2 20 83 12 74 22 3 69 59 13 65 20 4 80 28 14 18 86 5 35 60 15 70 29 6 71 21 16 38 69 7 38 60 17 33 71 8 11 93 18 60 70 9 66 44 19 45 26 10 61 56 20 39 23 If your answer is "zero", enter "0". a. Develop a crosstabulation for the data, with x as the row variable and y as the column variable. For x use classes of 10-29 , 30-49 , and so on; for y use classes of 20-39 , 40-59 , and so on.                   Grand Total                                                 Grand Total           b. Compute the row percentages (to 1 decimal).                   Grand Total    %  %  %  %  %    %  %  %  %  %    %  %  %  %  %    %  %  %  %  % c. Compute the column percentages (to 1 decimal).                    %  %  %  %    %  %  %  %    %  %  %  %    %  %  %  % Grand Total  %  %  %  %

An insurance investigator has observed that people with some astrological signs tend to be safer drivers than people with other signs. Using insurance records, the investigator classified 150 people according to their astrological signs and whether or not they were involved in a car accident during the previous 12 months. Do the following data indicate a significant relationship between sign and accidents? Test with a = .05.                     Libra Leo Gemini     Accident 7 4 19     No Accident 73 46 1

the data set shows the high school student grade . it have their mid and final test results. we wish to determine if there is a relationship between the two.   1 77 65 2 83 90 3 79 67 4 88 85 5 76 62 6 66 80 7 76 74 8 95 93 9 65 59 10 91 86 11 80 52 12 87 82 13 86 54 14 62 71 15 92 86 16 76 88 17 68 82 18 92 95 19 80 77 20 59 72 21 68 84 22 71 75 23 62 73 24 67 55 25 76 94 26 72 79 27 99 89 28 57 52 29 81 78 30 72 83 31 76 69 32 94 98 33 71 94 34 71 81 35 71 83 36 95 96 37 73 60 38 88 85 39 94 97 40 84 88 41 59 71 42 67 92 43 97 85 44 84 87 45 87 99 46 92 98 47 77 91 48 84 93 49 92 79 50 75 81 51 95 99 52 80 73 53 62 79 54 70 76 55 87 91 56 88 95   what is the equiation for the linear regression model? Final grade= ___ + ___ *  Mid term grade (round to three decimal places)   If cammy scores 73 on the midterm, her predicted final exam grade would be _______

please answer question 2