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In: Statistics and Probability

Based on sales over a six-month period, the five top-selling compact cars are Chevy Cruze, Ford...

Based on sales over a six-month period, the five top-selling compact cars are Chevy Cruze, Ford Focus, Hyundai Elantra, Honda Civic, and Toyota Corolla.† Based on total sales, the market shares for these five compact cars were Chevy Cruze 24%, Ford Focus 21%, Hyundai Elantra 20%, Honda Civic 18%, and Toyota Corolla 17%. Suppose a sample of 400 compact car sales in one city showed the following number of vehicles sold.

Chevy Cruze 109
Ford Focus 91
Hyundai Elantra 63
Honda Civic 85
Toyota Corolla 52

Use a goodness of fit test to determine if the sample data indicate that the market shares for the five compact cars in this city are different than the market shares reported by Motor Trend. Use a 0.05 level of significance.

Find the value of the test statistic. (Round your answer to three decimal places.)

_________

Find the p-value. (Round your answer to four decimal places.)

p-value =

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orchestra answered 2 years ago
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