ΣΣΤ. Lesson 7.1, Certify Mode. Questio .x.1, Can a normal approximation be仓A learn.hawkeslearning.com/Portal/Lesson/lesson_certify#!+ Save & Exit CertifyLesson: 7.1 Sampling Distributions and the...LORETTA STONE6/10Question 7 of 8, Step 1 of 1CorrectCan a normal approximation be used for a sampling distribution of sample means from a population with u = 47 and o = 9, when n = 4?Answer囲 Tables画 KeypadKeyboard ShortcutsO No, because the standard deviation is too small.O Yes, because the mean is greater than 30.O No, because the sample size is less than 30.O Yes, because the sample size is less than 30.Submit Answer© 2021 Hawkes Learning

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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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3. Complete the first 3 columns of the table below. Values Deviations Square deviations X - X X (X-X)² Standard (z) scores X - X S Z= a. Compute the sample variance and sample standard deviation by definition. b. Fill in the last column of the table c. Compute the coefficient of variation.
step by step please
The numbers of regular season wins for 10 football teams in a given season are given below. Determine the range, mean, variance, and standard deviation of the population data set. 2, 7, 15, 5, 14, 10, 12, 8, 3, 9 The range is 1313. (Simplify your answer.) The population mean is . (Simplify your answer. Round to the nearest tenth as needed.) The population variance is nothing. (Simplify your answer. Round to the nearest tenth as needed.) The population standard deviation is nothing. (Simplify your answer. Round to the nearest tenth as needed.)
Please state if the statement is correct or wrong and explain why. Statement 1. The sampling distribution of the sample mean with a sample size of 12 has a smaller standard error than that of the sampling distribution of the sample mean with a sample size of 13. Statement 2. Degrees of Freedom is one of the parameters of the normal distribution. Statement 3. A parameter is a function of a sample.
The average number of words in a romance novel is 64,289 and the standard deviation is 17,272. Assume the distribution is normal. Let X be the number of words in a randomly selected romance novel. Round all answers to 4 decimal places where possible.b. Find the proportion of all novels that are between 62,562 and 79,834 words. ________________c. The 85th percentile for novels is words. (Round to the nearest word) ________________d. The middle 70% of romance novels have from _______ words to _______ words. (Round to the nearest word)
urgent
Consider the data set shown. 17, 13, 13, 22, 11, 20 What is the approximate standard deviation for this set of data? a. 4 b. 5 c. 6 d. 7
Find the range, the standard deviation, and the variance for the given sample. Round non-integer results to the nearest tenth. 3, 4, 4, 5, 5, 6, 15 range standard deviation variance
Find the range, the standard deviation, and the variance for the givien samples. Round non integer results to the nearest tenth. 2 ,6,8,10,12,15,17
For an Economics test the mean score is 100 and the standard deviation is 10, and for an Accounting test the mean score is 50 and the standard deviation is 4. You are given the test scores of a student who took both tests. Determine on which test the student had a better score. Enter E if the student did better on the Economics test Enter A if the student did better on the Accounting test Enter S if the student did relatively the same on both tests. A student scores 125.6 on the Economics test and 60.2 on the Accounting test. The student did better/same on test.
A Find the standard error of the mean for each sampling situation (assuming a normal population). (Round your answers to two decimal places). 1. O=56, n=4 2. O=56, n=16 3. O=56, n=64 B. What happens to the standard error each time you quadruple the sample size? The standard error is ________ by half.

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