Get an education: In 2012 the General Social Survey asked 844 adults how many years of education they had. The samplemean was 8.54 years with a standard deviation of 8.58 years. Get an education: In 2012 the General Social Survey asked 844 adults how many years of education they had. The samplemean was 8.54 years with a standard deviation of 8.58 years.Part: 0 / 2Part 1 of 2(a) Construct a 99% confidence interval for the mean number of years of education. Round the answers to at least twodecimal places.A 99% confidence interval for the mean number of years of education is Part 2 of 2(b) Data collected in an earlier study suggest that the mean in 2000 was 6.93 years. A sociologist believes than the mean in2012 is the same. Does the confidence interval contradict this claim? Explain.The confidence interval (Choose one) ▼contradict this belief.doesdoes not

From the provided information, Sample size (n) = 844 Sample mean (x̄) = 8.54 Standard deviation (s)…

Answered: Get an education: In 2012 the General…

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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Get an education: In 2012 the General Social Survey asked 844 adults how many years of education they had. The sample mean was 8.54 years with a standard deviation of 8.58 years.

Part 2 of 2
(b) Data collected in an earlier study suggest that the mean in 2000 was 6.93 years. A sociologist believes than the mean in
2012 is the same. Does the confidence interval contradict this claim? Explain.
The confidence interval (Choose one) ▼
contradict this belief.
does
does not

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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