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Ford Car Sales Assume you are working as a statistician for the automotive company Ford. Ford's three most popular cars are the Escape (SUV), the Focus (midsize sedan), and the Fusion (hybrid sedan). Your boss is putting together next year's production numbers and asks you to determine if any of the three models are selling better or worse than the other two. You have the sales numbers from one month of sales: the Escape sold 22,274, the Focus sold 21,385, and the Fusion sold 20,808.* Perform the necessary test to determine if sales are significantly different and report the conclusion(s) of interest to your boss.

Ford Car Sales Assume you are working as a statistician for the automotive company Ford. Ford's three most popular cars are the Escape (SUV), the Focus (midsize sedan), and the Fusion (hybrid sedan). Your boss is putting together next year's production numbers and asks you to determine if any of the three models are selling better or worse than the other two. You have the sales numbers from one month of sales: the Escape sold 22,274, the Focus sold 21,385, and the Fusion sold 20,808.* Perform the necessary test to determine if sales are significantly different and report the conclusion(s) of interest to your boss.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 9E
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Is the evidence strong enough from this one month to conclude that sales are significantly different between the three models? O Yes O No
Transcribed Image Text:Is the evidence strong enough from this one month to conclude that sales are significantly different between the three models? O Yes O No
Ford Car Sales Assume you are working as a statistician for the automotive company Ford. Ford's three most popular cars are the Escape (SUV), the Focus (midsize sedan), and the Fusion (hybrid sedan). Your boss is putting together next year's production numbers and asks you to determine if any of the three models are selling better or worse than the other two. You have the sales numbers from one month of sales: the Escape sold 22,274, the Focus sold 21,385, and the Fusion sold 20,808. Perform the necessary test to determine if sales are significantly different and report the conclusion(s) of interest to your boss. 1Sales from The Wall Street Journal for June 2011. Calculate the chi-square test statistic and the p-value. Round your answer for the chi-square statistic to the nearest integer, and your answer for the p-value to three decimal places. i p-value - i
Transcribed Image Text:Ford Car Sales Assume you are working as a statistician for the automotive company Ford. Ford's three most popular cars are the Escape (SUV), the Focus (midsize sedan), and the Fusion (hybrid sedan). Your boss is putting together next year's production numbers and asks you to determine if any of the three models are selling better or worse than the other two. You have the sales numbers from one month of sales: the Escape sold 22,274, the Focus sold 21,385, and the Fusion sold 20,808. Perform the necessary test to determine if sales are significantly different and report the conclusion(s) of interest to your boss. 1Sales from The Wall Street Journal for June 2011. Calculate the chi-square test statistic and the p-value. Round your answer for the chi-square statistic to the nearest integer, and your answer for the p-value to three decimal places. i p-value - i
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