A Paint Manufacturer Discovers That the Mean Volume of Paint

question 1

Multiple Choice

A paint manufacturer discovers that the mean volume of paint in a gallon-sized pail is gallon with a standard deviation of 0.05 gallons. The paint volumes are approximately
Bell-shaped. Estimate the percent of pails with volumes between 0.95 gallons and 1.05
Gallons.

• A) 68%
• B) 32%
• C) 95%
• D) almost all (greater than 95%)

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Definitions:

Correlational Method

A research technique that establishes the relationship (not necessarily causal) between two variables, traditionally denoted x and y, by measuring both variables in a sample of participants.

Random Assignment

Random assignment is a method used in experiments to randomly allocate participants to different groups, ensuring that each group is comparable at the start of the experiment.

Measurement Biases

Involves errors or inaccuracies in data collection, interpretation, or analysis due to systemic factors.

Research Ethics

The moral principles that govern the conduct of research, ensuring the integrity and ethical treatment of all research subjects.