Use the Data in the Given Table and the Corresponding

question 46

Essay

Use the data in the given table and the corresponding Minitab display to test the hypothesis. The following table shows
the mileage for four different cars and three different brands of gas. Assuming no effect from the interaction between
car and brand of gas, test the claim that the four cars have the same mean mileage. Use a 0.05 significance level. $\begin{array}{l|lll} & \text { Brand 1 } & \text { Brand 2 } & \text { Brand 3 } \\\hline \text { Car 1 } & 22.4 & 25.2 & 24.3 \\\text { Car 2 } & 19 & 18.6 & 19.8 \\\text { Car 3 } & 24.6 & 25 & 25.4 \\\text { Car 4 } & 23.5 & 23.6 & 24.1\end{array}$

$\begin{array}{lrrrrc}\text { Source } & \text { DF } & \text { SS } & {M} & F & p \\\text { Car } & 3 & 61.249 & 20.416 & 39.033 & 0.000249 \\\text { Gas } & 2 & 2.222 & 1.111 & 2.124 & 0.200726 \\\text { Error } & 6 & 3.138 & 0.523 & & \\\text { Total } & 11 & 66.609 & & &\end{array}$

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Definitions:

Patients

Individuals receiving medical treatment or care from healthcare providers.

CCP

Can refer to Cyclic Citrullinated Peptide, an antibody often found in the blood of people with rheumatoid arthritis, used as a marker for diagnosing the disease.

Phone Number

A sequence of digits used to call or identify a particular telephone line.

Caller

An individual who makes a telephone call, often used in contexts ranging from customer service to emergency response.