A Random Sample of 25 Employees of a Local Company

question 115

Multiple Choice

A random sample of 25 employees of a local company has been measured. A 95% confidence interval estimate for the mean systolic blood pressure for all company employees is 123 to 139. Which of the following statements is valid?

• A) 95% of the sample of employees has a systolic blood pressure between 123 and 139.
• B) If the sampling procedure were repeated many times, 95% of the resulting confidence intervals would contain the population mean systolic blood pressure.
• C) 95% of the population of employees has a systolic blood pressure between 123 and 139.
• D) If the sampling procedure were repeated many times, 95% of the sample means would be between 123 and 139.

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Definitions:

Information Evaluation

The process of assessing the quality, relevance, and reliability of information, typically before making a decision based on that information.

Product Preferences

Individual or collective consumer choices or inclinations towards certain products over others based on factors like quality, price, or brand loyalty.

Purchasing Intentions

The likelihood or propensity of consumers to buy a product or service in the near future.

Attitudes of Others

The perceptions, beliefs, or feelings held by individuals apart from oneself, which can influence interpersonal interactions and dynamics.