You have been asked to develop a multiple regression model to predict the traffic fatality rate per 100 million miles in 2007 (y). The data table available b contains traffic data for ten regions for the year 2007. Consider the possible predictor variables per capital disposable income (x₁), thousands of licensed drivers (x₂), thousands of motor vehicle registrations (x3), and the motor vehicle fuel tax in cents per gallon (x4), and include only those that are condition significant. Click the icon to view the traffic data for ten regions for the year 2007. Complete the regression equation below. Use 0 for the coefficient of any variable not included in the model. Y = + ( x₁ + x₂ + x3 + x4 (Round to five decimal places as needed.)

You have been asked to develop a multiple regression model to predict the traffic fatality rate per 100 million miles in 2007 (y). The data table available b contains traffic data for ten regions for the year 2007. Consider the possible predictor variables per capital disposable income (x₁), thousands of licensed drivers (x₂), thousands of motor vehicle registrations (x3), and the motor vehicle fuel tax in cents per gallon (x4), and include only those that are condition significant. Click the icon to view the traffic data for ten regions for the year 2007. Complete the regression equation below. Use 0 for the coefficient of any variable not included in the model. Y = + ( x₁ + x₂ + x3 + x4 (Round to five decimal places as needed.)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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An experiment was performed to determine whether different types of chocolate take different amounts of time to dissolve. Forty people were divided into five groups. Each group was assigned a certain type of chocolate. Each person dissolved one piece of chocolate, and the dissolve time (in seconds) was recorded. For comparison, each person in each group also dissolved one piece of butterscotch candy; these pieces were identical for all groups. The data, which include the group, the dissolve times for both chocolate and butterscotch, the difference between the dissolve times, and the ratio of the dissolve times, are presented in the following table. Note that the design is slightly unbalanced; group 3 has nine people and group 5 has only seven. Group Chocolate Butterscotch Difference Ratio 60 135 75 2.25 865 635 230 1.36 122 63 59 1.94 110 75 35 1.47 71 37 34 1.92 81 58 23 1.40 2405 1105 1300 2.18
Please give the excel formula or spreadsheet.
Data shows the temperature for the months of Novemember 2020 and November 2021. Date 2020 2021 1-Nov 55 61 2-Nov 47 52 3-Nov 57 55 4-Nov 67 53 5-Nov 70 55 6-Nov 73 55 7-Nov 77 56 8-Nov 80 68 9-Nov 79 72 10-Nov 76 67 11-Nov 72 67 12-Nov 60 65 13-Nov 54 64 14-Nov 54 47 15-Nov 66 50 16-Nov 54 50 17-Nov 49 61 18-Nov 38 72 19-Nov 50 50 20-Nov 65 49 21-Nov 66 56 22-Nov 60 50 23-Nov 55 45 24-Nov 50 46 25-Nov 61 59 26-Nov 68 48 27-Nov 62 43 28-Nov 57 43 29-Nov 59 44 30-Nov 67 41 Find the variance and standard deviation for each group.
A researcher interested in determining if there is an association between head circumference and brain volume tested for linear correlation at the a= 0.05 significance level. She took a random sample of twenty adults and measured the head circumference and brain volume (using ultrasound) for each person in the sample. The table above gives the paired data for the twenty adults. The researcher determined there is positive linear correlation between head circumference and brain volume at the 0.05 level of significance. With that information answer the following questions. 1.) Since we've determined there is linear correlation between head circumference and brain volume from the output on the TI83/84 what is "a" the y-intercept of the regression line? A. a=.508 B. a=34.740 C. a=-110.572 D. a=-823.829 2. Since we've determined there is linear correlation between head circumference and brain volume from the output on the T183/84 what is "b" the slope of the regression? A. b=34.740 B. b=.508…
Data shows the temperature for the months of Novemember 2020 and November 2021. Date 2020 2021 1-Nov 55 61 2-Nov 47 52 3-Nov 57 55 4-Nov 67 53 5-Nov 70 55 6-Nov 73 55 7-Nov 77 56 8-Nov 80 68 9-Nov 79 72 10-Nov 76 67 11-Nov 72 67 12-Nov 60 65 13-Nov 54 64 14-Nov 54 47 15-Nov 66 50 16-Nov 54 50 17-Nov 49 61 18-Nov 38 72 19-Nov 50 50 20-Nov 65 49 21-Nov 66 56 22-Nov 60 50 23-Nov 55 45 24-Nov 50 46 25-Nov 61 59 26-Nov 68 48 27-Nov 62 43 28-Nov 57 43 29-Nov 59 44 30-Nov 67 41 Find the mean, median, mode and range for each group.
Weight City MPG 3968 20 3583 22 3470 22 3527 23 3990 18 4724 17 3692 21 3315 22 3616 20 5527 14 3719 16 3097 26 3800 19 3532 25 2269 31 5674 15 3402 20 4029 19 3996 19 3242 23 2434 31 2575 29 2960 27 3618 15 4054 19 3192 24 3305 23 3605 19 4240 15 3933 18 3633 19 3790 17 3477 20 3258 21 4685 17 2776 25 2615 24 3186 21 5137 13 3461 21 4233 16 4178 18 4702 17 3713 22 5794 14 2306 28 3194 26 3428 22 4894 12 4751 17 2605 29 3296 25 5267 13 2789 25 3570 19 4011 18 2363 27 4398 15 2806 25 2127 36 2665 27 3419 24 3427 24 3280 25 5765 13 3465 24 2295 30 3038 22 3070 25 4711 17 3230 24 3528 21 4667 16 SUMMARY OUTPUT Regression Statistics Multiple R 0.894328844 R Square 0.799824082 Adjusted R Square 0.797004703 Standard Error 2.238112689…
please help me solve this practice question using excel functions 7065 6870 6858 6641 6306 6671 6663 6492 6569 6601 6653 6729 7237 6911 6784 7312 7313 7082 7462 7311 6994 7399 7231 7666 7574 7706 7561 7198 7255 7116 7362 7511 7773 7776 7547 7567 7679 7627 7883 7274 7072 7165 7025 7125 7195 7318 7461 7624 7717 7450 7108 7053 6768 6896 7158 7152 7171 6902 6968 6619 6427 6567 6422 6686 6976 7069 7222 7381 7495 7460 7721 7804 7558 7781 7517 7795 7976 8038 8122 7854 7924 7754 7824 7935 8233 8304 8094 7974 7659 7538 7282 7435 7399 7712 8259 7935 8142 7696 7366 7182 7184 7408 7408 7805 7187 7074 7141 7245 7518 7748 7620 7434 7489 7345 7557 7490 7625 7691 7698 8019 8015 8064 8068 7839 7923 7939 8215 8730 8487 8444 8364 7893 8183…
180.5 181.7 180.9 181.6 182.6 181.6181.3 182.1 182.1 180.3 181.7 180.5Compute the following:a. Range
The table below shows the number of individuals infected with a disease t days after its first detected by the CDC. Days Infected Individuals 1 2 678 722 3 756 4 825 5 7 6 882 945 1017 8 1104
Data shows the temperature for the months of Novemember 2020 and November 2021. Date 2020 2021 1-Nov 55 61 2-Nov 47 52 3-Nov 57 55 4-Nov 67 53 5-Nov 70 55 6-Nov 73 55 7-Nov 77 56 8-Nov 80 68 9-Nov 79 72 10-Nov 76 67 11-Nov 72 67 12-Nov 60 65 13-Nov 54 64 14-Nov 54 47 15-Nov 66 50 16-Nov 54 50 17-Nov 49 61 18-Nov 38 72 19-Nov 50 50 20-Nov 65 49 21-Nov 66 56 22-Nov 60 50 23-Nov 55 45 24-Nov 50 46 25-Nov 61 59 26-Nov 68 48 27-Nov 62 43 28-Nov 57 43 29-Nov 59 44 30-Nov 67 41 Please find the range and standard deviation