In a Simple Random Sample of 100 Women from Richmond

question 36

Multiple Choice

In a simple random sample of 100 women from Richmond, Virginia, the average amount of money that these women spent per visit at their hair salons is $32.43. The standard deviation from this sample is $7.84.
Which of these is an approximate 95% confidence interval for the mean amount of money that all women in Richmond spend per visit at their hair salons?

• A) $32.43 ± $0.784
• B) $32.43 ± $1.568
• C) $32.43 ± $7.84
• D) $7.84 ± $3.243
• E) $7.84 ± $6.486

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Definitions:

Taste Buds

Sensory organs on the tongue that are responsible for detecting and distinguishing the five elements of taste perception: sweet, sour, salty, bitter, and umami.

Organic Substances

Organic substances refer to chemical compounds that contain carbon-hydrogen bonds, typically associated with living organisms.

Chemical Substances

Materials with definite chemical compositions, which can be elements or compounds, involved in chemical processes.

Tactile Stimulation

Physical contact or touch that can produce responses or stimuli, playing an essential role in human development and emotional connections.