A Company Has Recorded Data on the Weekly Sales for Its

question 48

Essay

A company has recorded data on the weekly sales for its product (y) and the unit price of the competitor's product (x). The data resulting from a random sample of seven weeks follows. Use Excel to a. Compute a $95 \%$ confidence interval for expected sales for all weeks when the competitor's price is $0.30$ .
b. Compute a $95 \%$ prediction interval for sal es for a week when the competitor's price is $0.30$ .
$\begin{array}{lll}\text { Week } & \text { Price } & \text { Sales } \\\hline 1 & 0.33 & 20 \\2 & 0.25 & 14 \\3 & 0.44 & 22 \\4 & 0.40 & 21 \\5 & 0.35 & 16 \\6 & 0.39 & 19 \\7 & 0.29 & 15\end{array}$ ​

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Definitions:

Deviancy Training

Destructive peer support in which one person shows another how to rebel against authority or social norms.

Offender Initiation

The act or process by which an individual begins or is introduced into committing offenses or engaging in criminal activities.

Selection

The process of choosing or making a choice from a range of options or candidates, often based on criteria or preferences.

Facilitation

The process of making an action or process easier or more likely to happen, often seen in learning environments, group projects, or therapy sessions.