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I need help with parts C, D, and E.

I need help with parts C, D, and E.

MATLAB: An Introduction with Applications
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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I need help with parts C, D, and E.

Weight (oz) B The correct scatter diagram is Select your answer V b. Does there appear to be any relationship between these two variables? There appears to be a Select your answer - ✓ linear relationship between the two variables. The heavier helmets tend to be -Select your answe ✓expensive. c. Develop the estimated regression equation that could be used to predict the price given the weight (to 2 decimals). Enter negative values as negative numbers. Price = + Weight d. Test for the significance of the relationship at the 0.05 level of significance. p-value corresponding to test is - Select your answer - p-value corresponding to t test on ₁ (coefficient of Weight) is - Select your answer - There - Select your answer ✓evidence of a significant relationship. e. Did the estimated regression equation provide a good fit? Explain. Hint: If is greater than 0.70, the estimated regression equation provides a good fit. ² is (to 3 decimals), the estimated regression equation - Select your answer - ✓a good fit. Check My Work (2 remainit
Transcribed Image Text:Weight (oz) B The correct scatter diagram is Select your answer V b. Does there appear to be any relationship between these two variables? There appears to be a Select your answer - ✓ linear relationship between the two variables. The heavier helmets tend to be -Select your answe ✓expensive. c. Develop the estimated regression equation that could be used to predict the price given the weight (to 2 decimals). Enter negative values as negative numbers. Price = + Weight d. Test for the significance of the relationship at the 0.05 level of significance. p-value corresponding to test is - Select your answer - p-value corresponding to t test on ₁ (coefficient of Weight) is - Select your answer - There - Select your answer ✓evidence of a significant relationship. e. Did the estimated regression equation provide a good fit? Explain. Hint: If is greater than 0.70, the estimated regression equation provides a good fit. ² is (to 3 decimals), the estimated regression equation - Select your answer - ✓a good fit. Check My Work (2 remainit
Automobile racing, high-performance driving schools, and driver education programs run by automobile clubs continue to grow in popularity. All these activities require the participant to wear a helmet that is certified by the Snell Memorial Foundation, a not-for-profit organization dedicated to research, education, testing, and development of helmet safety standards. Snell "SA" (Sports Application) rated professional helmets are designed for auto racing and provide extreme impact resistance and high fire protection. One of the key factors in selecting a helmet is weight, since lower weight helmets tend to place less stress on the neck. The following data show the weight and price for 18 SA helmets (SoloRacer website). Helmet Pyrotect Pro Airflow Pyrotect Pro Airflow Graphics RCi Full Face RaceQuip RidgeLine HJC AR-10 HJC SI-12 HJC HX-10 Impact Racing Super Sport Zamp FSA-1 Zamp RZ-2 Zamp RZ-2 Ferrari Zamp RZ-3 Sport Zamp RZ-3 Sport Painted Bell M2 Bell M4 Bell M4 Pro G Force Pro Force 1 G Force Pro Force 1 Grafx a. Choose the correct scatter diagram with weight as the independent variable. Weight (oz) 64 64 64 64 58 47 49 59 66 58 58 52 52 63 62 54 63 63 Price ($) 241 287 208 197 305 708 894 338 195 292 297 487 471 375 363 552 240 288
Transcribed Image Text:Automobile racing, high-performance driving schools, and driver education programs run by automobile clubs continue to grow in popularity. All these activities require the participant to wear a helmet that is certified by the Snell Memorial Foundation, a not-for-profit organization dedicated to research, education, testing, and development of helmet safety standards. Snell "SA" (Sports Application) rated professional helmets are designed for auto racing and provide extreme impact resistance and high fire protection. One of the key factors in selecting a helmet is weight, since lower weight helmets tend to place less stress on the neck. The following data show the weight and price for 18 SA helmets (SoloRacer website). Helmet Pyrotect Pro Airflow Pyrotect Pro Airflow Graphics RCi Full Face RaceQuip RidgeLine HJC AR-10 HJC SI-12 HJC HX-10 Impact Racing Super Sport Zamp FSA-1 Zamp RZ-2 Zamp RZ-2 Ferrari Zamp RZ-3 Sport Zamp RZ-3 Sport Painted Bell M2 Bell M4 Bell M4 Pro G Force Pro Force 1 G Force Pro Force 1 Grafx a. Choose the correct scatter diagram with weight as the independent variable. Weight (oz) 64 64 64 64 58 47 49 59 66 58 58 52 52 63 62 54 63 63 Price ($) 241 287 208 197 305 708 894 338 195 292 297 487 471 375 363 552 240 288
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