Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 6 - The Normal Distribution - 6-1 Normal Distribution - Exercises 6-1 - Page 322: 1


The Normal Distribution have following characteristics: a. It has a bell shaped curve b. Mean, median a,d mode of a normal distribution are almost equal and located in the center. c. The curve is unimodal d. The curve is continuous and it has no gaps. e. The Normal Distribution curve never touches the X-axis f. Total area under the curve is equal to 1 g. The area under the normal curve has spread of approx 68% within 1 Standard Deviation, 95% within 2 Standard Deviations and 99.7% within 3 Standard Deviations

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