II. Direction: Construct the sampling distribution of the sample means andanswer the questions that follow:1. A jar contains numbers 0, 1, 2 and 3. Construct the sampling distribution ofthe sample means when two numbers are taken from the jar withreplacementa. what is the probability that the mean of the numbers is 1.5 ?b. what is the probability that the mean of the numbers is less than 1?c. what is the probability that the mean of the numbers is greater than0.5?d. what is the probability that the mean of the numbers is between 1.5and 3.e. construct the histogram of the sampling distribution2. Three containers contain the number 1, 2 and 3. construct the samplingdistribution of the sample mean when a number is taken from eachcontainer.a. what is the probability that the mean of the numbers is 1?b. what is the probability that the mean of the numbers is less than 1?c. what is the probability that the mean of the numbers is greater than0.5?d. what is the probabity that the mean of the numbers is between 1and 2.e. construct the histogram of the sampling distribution of the samplemeans

Given Information: There are 4 numbers in a jar. That is, 0, 1, 2 and 3. Two numbers are taken from…

Answered: III. Direction: Construct the sampling…

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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Find the requested probability. 2) The test scores of 5 students are under consideration. The following is the dotplot for the sampling distribution of the sample mean for samples of size 2. 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 LL Find the probability, expressed as a percent, that the sample mean will be within 1 point of the population mean.
Give all two correct answers please
1. Given the data set 4, 6, 8, 10,15 and a sample size of 3. a. How many different samples can we get from the population given the sample b. Determine the number of all the possible combinations of samples. c. List all the possible random samples and solve for the sample mean of each set of samples. d. Construct the frequency and probability distribution table of the sample means.
The following graph shows the curve for a normally distributed variable. Superimposed are the curves for the sampling distributions of the sample mean for two different sample sizes. a. Explain why all three curves are centered at the same place. b. Which curve corresponds to the larger sample size? Explain your answer. c. Why is the spread of each curve different? d. Which of the two sampling-distribution curves corresponds to the sample size that will tend to produce less sampling error? Explain your answer. e. Why are the two sampling-distribution curves normal curves?
d. The medlan income 1or police oiIc Review later 5. Miguel wanted to determine the average length of time students at his school spend each night doing homework. He asks the first 50 students who walk into the building on Monday. a. What is his population? b. What is his sample? If Miguel wants to determine the average length of time students in just his grade level spend nightly on homework, instead of the whole school, answer the following c. What is the new population? d. Describe an appropriate way that Miguel can get a new sample? 6. A study was conducted to determine reaction times of all 7th graders in your school by dropping a ruler and seeing how far it dropped before it was caught. 64% of 7" graders in Michael's math class were able to catch the ruler before it fell 2 inches. US V O 2:03 acer -> 23 & + 4 7 8. 9. { e r y u 11 d. g j k
A random sample of adult men was asked if they would return the money if they found a wallet on the street. Of 143 men, 29 said they would. The true proportion of all adult men who would return the money is 18%. Which of the following do you expect would accurately describe the sampling distribution of the sample proportion of men who would return money from a found wallet? Select one or more: a. The sampling distribution will be skewed right. b. The mean of the sampling distribution will be equal to 0.18. c. The standard deviation of the sampling distribution will be 0.0336. d. The mean of the sampling distribution will be equal to X 0.2028 e. The sampling distribution will be skewed left. M f. The sampling distribution would be approximately standard normal. g. The sampling distribution will be approximately normal.
Q1) The following are the share prices ($) of some companies: 23, 45, 26, 30 and 35. a) What is the name of the variable? b) Calculate skewness. Which formula is used to calculate the skewness of the above set of data? Write this formula. c) Comment about the shape of the distribution whether the given variable is right skewed or left skewed. d) Write a summary based on your result.
Solve b, c and d
A. Construct the sampling distribution of the sample Means and answer the questions that follow: A jar contains number 1, 2, 3 and 4. Construct the sampling distribution of the sample means when two numbers are taken from the jar with replacement. 1. What is the probability that the mean of the number is 2.5? 2. What is the probability that the mean of the numbers is less than 2? 3. What is the probability that the mean of the numbers is greater than 1.5? 4. What is the probability that the mean of the numbers is between 1.5 and 5. Construct the histogram of the sampling distribution.
For a population with an unknown distribution, the form of the sampling distribution of the sample mean is what?
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For the data set given, what is the standard error of the sampling distribution of mean difference scores for n=4. a. .91 b. 2.25 c. 3.33 d. .52

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