How does lateral acceleration—side forces experienced in turns that are largely

Question

How does lateral acceleration—side forces experienced in turns that are largely under driver control—affect nausea as perceived by bus passengers? An article reported data on x = motion sickness dose (calculated in accordance with a British standard for evaluating similar motion at sea) and y = reported nausea (%). Relevant summary quantities are

n = 17,

Values of dose in the sample ranged from 6.0 to 17.6.

(a) Assuming that the simple linear regression model is valid for relating these two variables (this is supported by the raw data), calculate and interpret an estimate of the slope parameter that conveys information about the precision and reliability of estimation. (Calculate a 95% CI. Round your answers to three decimal places.)

1 , 2

(b) Does it appear that there is a useful linear relationship between these two variables? Test appropriate hypotheses using

= 0.01.

State the appropriate null and alternative hypotheses.

3

State the conclusion in the problem context.

6

7

8 , 9

Based on this, does the observation appear to be exerting an undue influence?

10

n = 17,

xi = 221.7 , yi = 197 , xi2 = 3056.67 , xiyi = 2759.9 , yi2 = 2973 .

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How does lateral acceleration—side forces experienced in turns that are largely

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