A Recent Survey Indicated That the Average Amount Spent for Breakfast

question 19

Multiple Choice

A recent survey indicated that the average amount spent for breakfast by business managers was $\$ 7.58$ with a standard deviation of $\$ 0.42$ . It was felt that breakfasts on the West Coast were higher than $\$ 7.58$ . A sample of 81 business managers on the West Coast had an average breakfast cost of $\$ 7.65$ . At $\alpha = 0.05$ , what is the critical value?

• A) -1.5
• B) 1.65
• C) 1.5
• D) 1.96

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Definitions:

Intellectual Ability

Intellectual ability refers to the capacity to think abstractly, reason logically, and solve problems effectively, often measured through IQ tests.

Contact Comfort

The pleasure derived from physical contact with another; a hypothesized need or drive for physical contact with another.

Harry and Margaret Harlow

Psychologists known for their research on attachment theory using rhesus monkeys, highlighting the importance of care and social interactions.

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The lack of regular, positive social interactions and relationships, which can lead to significant cognitive and emotional problems.