The top five states for hybrid car sales in 2004 were California, Virginia, Washington, Florida, and Maryland. Suppose that each car in a sample of 2004 hybrid car sales is classified by state where the sale took place. Sales from states other than the top five were excluded from the sample, resulting in the accompanying table (19 pts total). State California Virginia Maryland 33 Washington Florida Observed Frequency 250 56 34 33 The Census Bureau site states the proportion of hybrid sales for each state is: California (.495), Virginia (.103), Washington (.085), Florida (.240), and Maryland (.077). You want to test if the proportions predicted by the Census Bureau are correct.
The top five states for hybrid car sales in 2004 were California, Virginia, Washington, Florida, and Maryland. Suppose that each car in a sample of 2004 hybrid car sales is classified by state where the sale took place. Sales from states other than the top five were excluded from the sample, resulting in the accompanying table (19 pts total). State California Virginia Maryland 33 Washington Florida Observed Frequency 250 56 34 33 The Census Bureau site states the proportion of hybrid sales for each state is: California (.495), Virginia (.103), Washington (.085), Florida (.240), and Maryland (.077). You want to test if the proportions predicted by the Census Bureau are correct.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 6E
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Transcribed Image Text:The top five states for hybrid car sales in 2004 were California, Virginia, Washington, Florida, and
Maryland. Suppose that each car in a sample of 2004 hybrid car sales is classified by state where the
sale took place. Sales from states other than the top five were excluded from the sample, resulting in
the accompanying table (19 pts total).
State
California
Virginia
Maryland
33
Washington
Florida
Observed Frequency
250
56
34
33
The Census Bureau site states the proportion of hybrid sales for each state is: California (.495),
Virginia (.103), Washington (.085), Florida (.240), and Maryland (.077).
You want to test if the proportions predicted by the Census Bureau are correct.
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