The following data were generated from a blocked experiment. Conduct a Friedman test at the 5% significance level to determine if at least two population locations differ. 
Test Statistic: 
= ______________
Reject Region:
Reject 
if 
> ______________
Conclude: ______________
The locations of all four populations are ______________.
Definitions:
Tip Rate
The tip rate is the percentage of the total bill amount given as extra money (tip) for services, typically in the hospitality industry.
Markup Rate
The percentage increase in price applied to the cost price of a product to determine its selling price.
Tourist Shop
A store that specializes in selling souvenirs and merchandise aimed at tourists.
Markup
The amount by which the cost of a product is increased to arrive at its selling price.
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