The Following MINITAB Output Presents a 95% Confidence Interval for the Mean

question 137

Multiple Choice

The following MINITAB output presents a 95% confidence interval for the mean ozone Predicted Values for New Observations
$\begin{array} { l r c c c } \text { New Obs } & \text { Fit } & \text { SE Fit } & 95.0 \% \mathrm { CI } & 95.0 \% \mathrm { PI } \\ 1 & 36.83 & 1.8 & ( 33.30,40.36 ) & ( 20.06,53.60 ) \end{array}$

Values of Predictors for New Observations

Predict the ozone level for a day when the relative humidity is $70 \%$ .

• A) \(1.8\)
• B) \(33.30\)
• C) \(70.0\)
• D) \(36.83\)

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Definitions:

Mixers

Devices used for blending ingredients together, commonly found in cooking, baking, and cocktail making.

Diseconomies of Scale

A condition in which a firm’s average costs increase as production increases.

Returns to Scale

The change in output as a result of proportionately changing all inputs in the production process, indicating increasing, constant, or decreasing returns.

Marginal Cost

An uplift in the sum total of costs incurred by producing another unit of a product or service.