ANOVA Table Post Hoc Analysis
Tukey Simultaneous Comparison T-Values $($

question 38

Multiple Choice

ANOVA table
$\begin{array}{lrrrr}\hline\text { Source } & S S & d f & M S & F &p \text {-value }\\\hline \text { Treatment } & 6.000 & 3 & 1.9998 & 18.85&3.4E-05\\\hline\text { Error } & 1.486 & 14 & 0.1061 & \\\hline\text { Total } & 7.485 & 17 & &\end{array}$
Post hoc analysis
Tukey simultaneous comparison t-values $($ d.f. $=14)$
$\begin{array}{ccccc}&\text { Brand 3 }   \text { Brand 2 }  \text { Brand 4 }  \text { Brand 1 } \\&\quad1.40 \quad 2.28 \quad 2.58 \quad 2.95\\\begin{array}{ll}\text { Brand 3 } & 1.40 \\\text { Brand 2 } & 2.28 \\\text { Brand 4 } & 2.58 \\\text { Brand 1 } & 2.95\end{array}&\begin{array}{|l|l|l|l|}\hline & & & \\\hline 4.27 & & & \\\hline 5.38 & 1.35 & & \\\hline 7.09 & 3.07 & 1.63 &\quad\quad \\\hline\end{array}\end{array}$
The Excel/Mega-Stat output given above summarizes the results of a one-way analysis of variance in an attempt to compare the performance characteristics of four brands of vacuum cleaners. The response variable is the amount of time it takes to clean a specific size room with a specific amount of dirt.

-Use the information above and determine an individual 95% confidence interval confidence interval for $\mu _ { 1 } - \mu _ { 2 }$
) The mean and sample sizes for brand 1 and brand 2 are as follows: $\bar { x } _ { 1 }$
= 2) 95, $\bar { x } _ { 2 }$
= 2) 28,n₁ = 4 and n₂ = 5.

• A)2013 to 1.1387
• B)2852 to 1.0547
• C)-.228 to 1.5680
• D)4515 to .8885
• E)It cannot be determined with the information given.

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Definitions:

Revenues on Account

Earnings from sales or services that have been completed but not yet paid for by customers.

Unearned Revenues

Money received by a company for goods or services that have not yet been provided, classified as a liability on the balance sheet until the services or goods are delivered.

Fair Market Value

The price at which an asset would sell in the marketplace given willing, informed, and unpressured buyers and sellers.

Transfers

Movements of funds or resources from one account to another within an organization or between organizations.