a. Interpret the slope coefficient. ( is the linear relationship positive or negative ) b.Test for a significant relationship. Use α = 0.05. (PLEASE USE P-VALUE APPROACH STATING THE NULL AND ALTERNATIVE HYPOTHESIS)
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 non-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 (in oz), since lower weight helmets tend to place less stress on the neck. The data is in the file RaceHelmets.
a. Interpret the slope coefficient. ( is the linear relationship positive or negative )
b.Test for a significant relationship. Use α = 0.05. (PLEASE USE P-VALUE APPROACH STATING THE NULL AND ALTERNATIVE HYPOTHESIS)
file RaceHelmets.
Weight
64 64 64 64
58 47 49 59
66 58 58 52
52 63 62 54
63 63
Price
248 278 200 200
300 700 900 340
199 299 299 479
479 369 369 559
250 280
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