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,

	xi = 221.6

,

	yi = 194

,

	xi2 = 3056.69

,

	xiyi = 2759.7

,

	yi2 = 2971

.

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

(d) When Minitab was used to fit the simple linear regression model to the raw data, the observation (6.0, 2.50) was flagged as possibly having a substantial impact on the fit. Eliminate this observation from the sample and recalculate the estimate of part (a). (Round your answers to three decimal places.)

Answer 1