A Researcher Selects a Sample of 121 Participants from a Population

question 42

Multiple Choice

A researcher selects a sample of 121 participants from a population with a mean of 32 and a standard deviation of 22.What is the standard error of the mean?

• A) 32
• B) 2.0
• C) 0.5
• D) There is not enough information to answer this question.

Understand how to manipulate and extract specific components (seconds, minutes, hours, month number) from time and date values in Excel.

Learn to round numbers, including times to the nearest specified interval, and understand rounding functions (ROUND, ROUNDDOWN, ROUNDUP).

Know how to control the calculation options in Excel, including manual and automatic updates of formulas.

Understand how to use the COUNT function and its variations to count cells based on different criteria.

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