Recitation 3 - Numerical Descriptions and Normal Distributions (AU 15).docx - STAT 1450 Recitation Activity 3 Normal Distributions Student Name Kara

Recitation 3 - Numerical Descriptions and Normal Distributions (AU 15).docx

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STAT 1450 Recitation Activity 3 Student Name: Kara McKay Normal Distributions Date: June 6, 2018 OBJECTIVES Students will review select concepts regarding numerical descriptions of data. Students will use JMP to produce graphs and summary statistics. Students will apply the 68-95-99.7 Rule. Students will use Table A to compute proportions of a Normal Distribution. Students will explore the Normal Density Curve Applet (within LaunchPad ). Part I: TRUE/FALSE Please correct any false statements. 1. Density curves have areas of exactly 1 beneath them. True 2. The probability that a uniformly distributed random variable assumes values above its maximum is greater than the probability that it assumes values below its minimum. False The uniform distribution has 0 probability of assuming values that are either above its maximum, or below its minimum. 3. The invNorm function on the graphing calculator computes probabilities associated with the normal distribution. False The normalcdf function computes probabilities associated with the normal distribution.
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