Answered: A population has a mean of 1398.25 and…

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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Consider a data set that has a mean of 33.7 and a standard deviation of 6.8. According to Chebyshev's Theorem, give an interval that has at least 93.53% of the data
For men heights are normally distributed with a mean of 69 inches and a standard deviation of 2.8 inches. If samples of 25 men are selected at random from the population, would the average height found for each sample be more or less varied than the individual measurements taken for each man?B
Suppose the standard deviation of the sample mean is equal to 0.6. If a sample of size n=100n=100 is collected, what is the population standard deviation?
A given distribution has a population meanof 129 and a population standard deviation, of 12. What score would be associated with the value x = 75
The mean for life expectancy is 47.6 for White people who were born in 1900 and 33.0 for non-white people. Suppose you randomly sample the death records for people born in 1900 in a certain country. Of the 124 white people, the mean life span is 45.3 years and the standard deviation is 12.7 years. 82 of the non-white people have a mean life span of 34.1 and a standard deviation of 15.6 years. A hypothesis test is needed to see if the mean is the same for both countries for White and Non-White people. Is this a right, left or two-tailed test.
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Consider a value to be significantly low if its z score less than or equal to - 2 or consider a value to be significantly high if its z score is greater than or equal to 2. A data set lists weights (grams) of a type of coin. Those weights have a mean of 5.59553 g and a standard deviation of 0.05449 g. Identify the weights that are significantly low or significantly high. What weights are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. O A. Weights that are between and (Round to five decimal places as needed. Use ascending order.) O B. Weights that are less than (Round to five decimal places as needed.) O C. Weights that are greater than (Round to five decimal places as needed.)
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Calculate z scores for a population with a mean of 1179 and a standard deviation of 164 for each raw scores: If X = 1000 What is Z =? If X= 1,184 what is Z =?
The standard deviation of the population of IQ Scores is standardized to be 15 points. Calculate the standard error of the mean(nearest hundredth place) for: A sample of size of 81 A sample size of 4

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a	1334.2	1462.3
b	1332.2	1464.3
c	1330.1	1466.4
d	1328.0	1468.5

A population has a mean of 1398.25 and standard deviation of 246.85 17 The middle interval that captures 99% of all means from samples of size 82 a 1334.2 1462.3 b 1332.2 1464.3 c 1330.1 1466.4 d 1328.0 1468.5