Answered: Given the data as follow. x y 10 11…

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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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 _______
3. The speed (in miles per hour) of 8 vehicles and their braking distance (in feet) when stopping on a dry surface speed, x braking distance, y 20 30 40 50 50 60 65 70 55 72 75 110 138 162 193 225 type of correlation: Conclusion
Please give the excel formula or spreadsheet.
An instructor is wondering if students who spend more time taking their final exam do better than those who take less time. The following data is gathered. Minutes 57 47 36 83 86 117 87 62 87 86 68 106 95 72 95 Score 96 92 92 77 96 96 81 85 88 96 70 81 77 74 77 What is the coefficient of determination? Multiple Choice −0.128 0.016 0.651 −0.053
A sample of blood pressure measurements is taken for a group of adults, and those values (mm Hg) are listed below. The values are matched so that 10 subjects each have a systolic and diastolic measurement. Find the coefficient of variation for each of the two samples; then compare the variation. Systolic 119 129 160 97 154 122 117 137 125 118 D Diastolic 80 74 73 54 88 90 58 66 71 81 The coefficient of variation for the systolic measurements is %. (Type an integer or decimal rounded to one decimal place as needed.) The coefficient of variation for the diastolic measurements is %. (Type an integer or decimal rounded to one decimal place as needed.) Compare the variation. The coefficients of variation for each data set are Therefore, the systolic measurements vary V the diastolic measurements.
A sample of blood pressure measurements is taken for a group of adults, and those values (mm Hg) are listed below. The values are matched so that 10 subjects each have a systolic and diastolic measurement. Find the coefficient of variation for each of the two samples; then compare the variation. Systolic 116 130 157 96 158 120 118 137 126 119 Diastolic 81 77 75 53 88 86 58 65 70 84 The coefficient of variation for the systolic measurements is %. (Type an integer or decimal rounded to one decimal place as needed.)
The following data is the number of tickets sold and the jackpot value for the Mega Millions lottery. The jackpot value is in millions of dollars and the number of tickets sold is in millions. Jackpot value 334 127 300 227 202 180 164 145 255 Number of tickets sold 54 16 41 27 23 18 18 16 26 r= 0.947 tickets sold -10.87 +0.17 (jackpot value) Which is the independent variable and which is the dependent variable? X= independent variable = Y= dependent variable Interpret ². Interpret the slope. Predict the number of tickets sold when the jackpot value is 500 million dollars. Would you feel comfortable using the model for this value? Why or why not.
A sample of blood pressure measurements is taken for a group of adults, and those values (mm Hg) are listed below. The values are matched so that 10 subjects each have a systolic and diastolic measurement. Find the coefficient of variation for each of the two samples; then compare the variation. Systolic 119 130 160 98 157 120 117 137 125 119 D Diastolic 80 75 75 52 91 89 57 63 72 84
Consider the following Box plots where data set A and data set B. Which data set has the largest variation?
A sample of blood pressure measurements is taken for a group of adults, and those values (mm Hg) are listed below. The values are matched so that 10 subjects each have a systolic and diastolic measurement. Find the coefficient of variation for each of the two samples; then compare the variation. Systolic 116 130 157 96 158 120 118 137 126 119 Diastolic 81 77 75 53 88 86 58 65 70 84 The coefficient of variation for the systolic measurements is 14.9 %. Type an integer or decimal rounded to one decimal place as needed.) The coefficient of variation for the diastolic measurements is%. Type an integer or decimal rounded to one decimal place as needed.)
A sample of blood pressure measurements is taken for a group of adults, and those values (mm Hg) are listed below. The values are matched so that 10 subjects each have a systolic and diastolic measurement Find the coefficient of variation for each of the two samples; then compare the variation. Systolic 119 127 158 94 156 120 117 137 128 122 e Diastolic 82 74 74 50 89 89 56 62 71 82 The coefficient of variation for the systolic measurements is %. (Type an integer or decimal rounded to one decimal place as needed.) Next Get more help - Next 8:36 PM 50°F Clear 3/27/2022

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90	91
100	95
110	100
120	122
130	133
140	144
150	150
160	155
170	155
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200	199
210	200
220	230
230	230
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250	244
260	266
270	277
280	277
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300	333
310	320

x	y
10	11
20	23
30	26
40	44
50	45
60	67
70	66
80	80
90	91
100	95
110	100
120	122
130	133
140	144
150	150
160	155
170	155
180	188
190	190
200	199
210	200
220	230
230	230
240	240
250	244
260	266
270	277
280	277
290	290
300	333
310	320

x	y
10	11
20	23
30	26
40	44
50	45
60	67
70	66
80	80
90	91
100	95
110	100
120	122
130	133
140	144
150	150
160	155
170	155
180	188
190	190
200	199
210	200
220	230
230	230
240	240
250	244
260	266
270	277
280	277
290	290
300	333
310	320