Question

The table summarizes Consumer Report’s testing for the stopping distance of Firestone Winterfire versus Michelin Alpin tires under winter conditions.

Firestone Winterfire	Michelin Alpin
n = 10 _ x = 51 ft s = 8ft	n = 12 _ x = 55ft s = 3ft

At the 7% LOS, do the data suggest that the Firestone tire has the shorter stopping distance?

Answer 1

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