A population has a mean μ = 87 and a standard deviation o = 26. Find themean and standard deviation of a sampling distribution of sample means withsample size n = 247.H x =(Simplify your answer.)...R

A population has a mean μ=87 and a standard deviation σ=26Then we'll find the sampling distribution…

Answered: 1 A population has a mean μ = 87 and a…

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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Given population parameters for two populations, population 1 has a mean of 500 and a standard deviation equal to 50. Population 2 has a mean of 21,000 and a standard deviation equal to 6,000. Complete parts a and b below. a) Compute the coefficient of variation for each population. %. (Round to one decimal place as needed.) The coefficient of variation of population 1 is The coefficient of variation of population 2 is %. (Round to one decimal place as needed.) b) Which population has data values that are more variable relative to the size of their population mean? O A. Both populations are equally variable relative to their population means. O B. Population 2 OC. Population 1
A simple random sample is taken from a population and yields the following data for a variable of the population. 37 36 16 16 19 31 Find a point estimate for the population standard deviation (that is, the standard deviation of the variable). 12 26 39 9 A point estimate for the population standard deviation is (Round to two decimal places as needed.)
tion 11 of 15 Calculate the sample standard deviation for this data set: 11, 28, 36. The formula for the sample standard deviation is shown, where n represents the sample size, x represents each value in the data set, and x represents the sample mean. n- 1 Step 1. Calculate the sample mean. Step 2. Calculate the deviations and the squares of the deviations. about us careers privacy policy terms of use contact us help O US 9 DELL 24 & 8. y h
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Exhibit 11-3 The contents of a sample of 26 cans of apple juice showed a standard deviation of 0.06 ounce. We are interested in testing to determine whether the variance of the population is significantly more than .003. Refer to Exhibit 11-3. The p-value for this test is a) .05 b) greater than .10 c) less than .10 d) 1.96
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Given the sample data.x: 21 17 13 30 27 (d) Use the defining formulas to compute the sample variance s2 and sample standard deviation s. (Round your answers to two decimal places.) (e) Suppose the given data comprise the entire population of all x values. Compute the population variance ?2 and population standard deviation ?. (Round your answers to two decimal places.)
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1 A population has a mean μ = 87 and a standard deviation = 20 mean and standard deviation of a sampling distribution of samp sample size n = 247. H = (Simplify your answer.) 2