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Name: Wildlife conservationists studying grizzly bears in the United States
Uploaded: 2024-03-20T07:07:12.000Z
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Description: Wildlife conservationists studying grizzly bears in the United States found that the mean weight of 27 adult males was 623 pounds with a standard deviation of 88 pounds. Construct a 90% confidence interval for the mean weight of all adult male grizzl

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Wildlife conservationists studying grizzly bears in the United States found that the mean weight of 27 adult males was 623 pounds with a standard deviation of 88 pounds. Construct a 90% confidence interval for the mean weight of all adult male grizzly bears in the United States. Assume that the weights of all adult male grizzly bears in the United States are normally distributed. Round to the nearest whole number.

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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