Sara is a salesperson for Camera s Etc which is a
Sara is a salesperson for Camera’s Etc. which is a retailer for highend digital cameras. Historically, Sara has sold an average of 2.1 extended warranties per day. Data in the Excel file camera warranty. xlsx display the number of extended warranties that Sara has sold per day over the past 100 business days.
a. Using α = 0.10, perform a chisquare test to determine if the data follow a Poisson probability distribution with λ = 2.1.
b. Determine the pvalue for the chisquare test statistic using Excel and interpret its meaning.
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