Normal Probability Distributions- Chapter 6 Test Questions with Complete Answers Latest Update
2024
Normal Distribution - Answers Continuous probability distribution for a random variable.
Continuous Random Variable - Answers Variable with infinite possible values on a number line.
Continuous Probability Distribution - Answers Probability distribution for a continuous random variable.
Normal Curve - Answers Graphical representation of a normal distribution.
Mean - Answers Average value of a dataset; line of symmetry.
Median - Answers Middle value when data is ordered.
Mode - Answers Most frequently occurring value in a dataset.
Standard Deviation - Answers Measure of data spread around the mean.
Inflection Points - Answers Points where the curve changes concavity.
Standard Normal Distribution - Answers Normal distribution with mean 0 and standard deviation 1.
Z-Score - Answers Standardized score indicating how many standard deviations away.
Cumulative Area - Answers Area under the curve to the left of a z-score.
Area Under the Curve - Answers Represents probability for a given interval.
Probability Interval - Answers Area under the normal curve for a specific range.
Laplace and Gauss - Answers Developed the Astronomers' Law of Errors.
Quetelet - Answers Applied error law to human features in 1844.
Symmetrical Distribution - Answers Distribution where values are evenly spread around the mean.
Bell-Shaped Curve - Answers Characteristic shape of a normal distribution graph.
Total Area - Answers Area under the normal curve equals one.
Standard Normal Table - Answers Table used to find cumulative areas for z-scores.
Finding Areas to the Left - Answers Use Standard Normal Table for z-scores.
Finding Areas to the Right - Answers Subtract cumulative area from 1.
Finding Areas Between Z-Scores - Answers Subtract smaller area from larger area.
Probability Calculation - Answers Area under the normal curve for a specific interval.
2024
Normal Distribution - Answers Continuous probability distribution for a random variable.
Continuous Random Variable - Answers Variable with infinite possible values on a number line.
Continuous Probability Distribution - Answers Probability distribution for a continuous random variable.
Normal Curve - Answers Graphical representation of a normal distribution.
Mean - Answers Average value of a dataset; line of symmetry.
Median - Answers Middle value when data is ordered.
Mode - Answers Most frequently occurring value in a dataset.
Standard Deviation - Answers Measure of data spread around the mean.
Inflection Points - Answers Points where the curve changes concavity.
Standard Normal Distribution - Answers Normal distribution with mean 0 and standard deviation 1.
Z-Score - Answers Standardized score indicating how many standard deviations away.
Cumulative Area - Answers Area under the curve to the left of a z-score.
Area Under the Curve - Answers Represents probability for a given interval.
Probability Interval - Answers Area under the normal curve for a specific range.
Laplace and Gauss - Answers Developed the Astronomers' Law of Errors.
Quetelet - Answers Applied error law to human features in 1844.
Symmetrical Distribution - Answers Distribution where values are evenly spread around the mean.
Bell-Shaped Curve - Answers Characteristic shape of a normal distribution graph.
Total Area - Answers Area under the normal curve equals one.
Standard Normal Table - Answers Table used to find cumulative areas for z-scores.
Finding Areas to the Left - Answers Use Standard Normal Table for z-scores.
Finding Areas to the Right - Answers Subtract cumulative area from 1.
Finding Areas Between Z-Scores - Answers Subtract smaller area from larger area.
Probability Calculation - Answers Area under the normal curve for a specific interval.
