Suppose a Researcher Is Interested in Understanding the Variation in the Price

question 94

Multiple Choice

Suppose a researcher is interested in understanding the variation in the price of store brand milk.A random sample of 36 grocery stores is selected from a population and the mean price of store brand milk is calculated.The sample mean is $3.13 with a standard deviation of $0.23.Construct a 95% confidence interval to estimate the population mean.

• A)$3.03 to $3.23
• B)$3.12 to $3.14
• C)$3.05 to $3.21
• D)$2.90 to $3.36
• E)$3.06 to $3.20

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Definitions:

Sign Stimuli

External sensory cues that trigger a fixed action pattern or innate behavioral response in an animal.

Innate Releasing Mechanisms

Biological processes or structures that trigger specific behaviors in response to certain stimuli.

Environmental Stimuli

External factors or conditions in the environment that can elicit responses or reactions from organisms.

William McDougall

A psychologist known for his work in social psychology and the concept of instinct theory of motivation.