Answered: A company that sells carrot seeds for…

Name: A company that sells carrot seeds for heavy, clay soil conducts a year
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Description: A company that sells carrot seeds for heavy, clay soil conducts a yearly quality-control test to see, among other things, if it can still say that the average length of carrots from the seeds will be 11.5cm. Aside this test, you take a random sample

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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A company that sells carrot seeds for heavy, clay soil conducts a yearly quality-control test to see, among other things, if it can still say that the average length of carrots from the seeds will be 11.5cm. Aside this test, you take a random sample of 40 of these carrots from a field of mature carrots and find that their average length is 11.8. Assuming that the population of length measurements is still normally distributed with standard deviation of 1.15cm, at level of significance, is there enough evidence to reject the claim?

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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