In an Attempt to Increase Business on Monday Nights, a Restaurant

question 29

Multiple Choice

In an attempt to increase business on Monday nights, a restaurant offers a free dessert with every dinner order. Before the offer, the mean number of dinner customers on Monday was 150. Following are the numbers of
Diners on a random sample of Mondays while the offer was in effect. $$\begin{array} { l l l l l } 181 & 172 & 153 & 142 & 160 \\156 & 144 & 152 & 176 & 172\end{array}$$ Can you conclude that the mean number of diners increased while the offer was in effect? Use the α = Level of significance and assume the population is normally distributed.

• A) Reject \(H _ { 0 }\) . There is sufficient evidence to conclude that the mean number of diners increased While the offer was in effect.
• B) Do not reject \(H _ { 0 }\) . There is insufficient evidence to conclude that the mean number of diners Increased while the offer was in effect.
• C) There is not enough information to draw a conclusion.

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Definitions:

Ego

A component of Sigmund Freud's psychoanalytic theory, representing the realistic part of the psyche that mediates between desires and moral constraints.

Self

Pertaining to the individual person, often in reference to one's own thoughts, feelings, or actions.

Mind

The element of a person that enables them to be aware of the world and their experiences, to think, and to feel; the faculty of consciousness and thought.

Personality

The combination of characteristics or qualities that form an individual's distinctive character.