A Coffeehouse Wishes to See If Customers Have Any Preference $\chi ^ { 2 }$

question 10

Multiple Choice

A coffeehouse wishes to see if customers have any preference among 5 different brands of coffee. A sample of 200 customers provided the data below. Calculate the chi-square test statistic $\chi ^ { 2 }$ used to test the claim that the probabilities show no preference.
$\begin{array}{l|ccccc}\text { Brand } & 1 & 2 & 3 & 4 & 5 \\\hline \text { Customers } & 30 & 18 & 32 & 55 & 65\end{array}$

• A) 48.91
• B) 37.45
• C) 55.63
• D) 45.91

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Definitions:

Catch Blocks

Sections of code in many programming languages that are used to handle exceptions or errors during program execution.

NegativeNumberException

A custom exception that could be created to handle or indicate the use of an illegal negative number in a specific context.

Catch Block

A section of code used to handle an exception that occurs in a try block in Java.

Finally Block

A block in Java exception handling that executes code after a try/catch block, regardless of whether an exception was caught.