C6. When taking a random sample from a very large population, how does the standarderror of the mean change whena. the sample size is increased from 100 to 1,600?b. the sample size is decreased from 300 to 150?c. the sample size is multiplied by 4?

Answered: Image /qna-images/answer/b202affb-2329-4cb6-9079-aa4501a6f49e.jpg

Answered: C6. When taking a randor error of the…

Math

Statistics

C6. When taking a randor error of the mean cha a. the sample size is in b. the sample size is d c. the sample size is m

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: K A researcher wishes to estimate the proportion of children in a certain neighborhood who are…

A: Given that Margin of Error=0.032 A researcher wishes to estimate the proportion of children in a…

Q: Describe the sampling distribution of . Assume the size of the population is 30,000. n=700, p=.144…

A: Given, Sample size = 700 Proportion = 0.144 The objective is find the sampling distribution.

Q: 1st quarter is an indicator of what is ahead for the stock market and the economy. The sample data…

A: Mean=7.2184 Standard deviation 4.427 confidence interval 95% n=25 mean price beggining of…

Q: In calculating the sample variance, we subtract one from the sample size. This is because A. The…

A: Variance: The variance is the expectation of the squared deviation of a random variable from it's a…

Q: Describe the sampling distribution of p. Assume the size of the population is 15,000. n= 700, p= 0.6…

A: Consider, the conditions nN=70015,000 =0.0467 ≤0.05 That is, n≤0.05N.…

Q: Problem Solving 1. Random samples with size 5 are drawn from the population containing the values…

A: 1a) The number of possible samples with size 5 of 6 population units will be 6C5 = 6 b) The sample…

Q: Find the required sample size, n, if c=0.89, E=0.05, and is unknown.

A: Solution: Given, c=0.89 E=0.05 Proportion is unknown. The critical value for zα/2 =1.598 using Excel…

Q: The appropriate interval width for a random sample of 100 observations that fall between 50 and 250…

A: Given, A random sample of 100 observations that fall between 50 and 250 is: The formula for class…

Q: The Distribution of the Sample Mean is A. normal…

A: Using Normal distribution property

Q: C. Find the sample size from each of the given data. 7.95% level of confidence, E = 10, o = 24 8.…

A: C. 7. Here it is given that 95% confidence , margin of error E=10 and standard deviation σ=24…

Q: Describe the sampling distribution of p. Assume the size of the population is 20,000. n= 800, p =…

A: Mean of the sampling distribution is p.

Q: For the sampling distribution of the mean, o = o. O True O False

A: From the provided information, Sampling distribution of the mean σx̄ = σ

Q: a. Explain what it would mean to make a type I error. Choose the correct answer below. A. A type I…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Consider these sample data: x1=12, x2=6, x3=4, x4=14. Find n. Compute ∑xi. Determine x.

Q: d. Draw the dot plot for the sample means obtained in part (b) and makes comment.

Q: Cadmium, a heavy metal, is toxic to animals. Mushrooms, however, are able to absorb and accumulate…

A: Test is that whether the mean cadmium level in the sample is less than the governments' safety…

Q: The number of successes and the sample size are given for a simple random sample from a population.…

Q: The sample size is 5, the intercept is negative and the slope is positive. a. True b. False

A: Given: n=5 intercept = -ve slope = +ve

Q: Write the sample space for an experiment where a coin is tossed and a 4 sided die is rolled. Choose…

A: Answer- When a coin is tossed then possible outcome is {H, T} Rolled a 4-sided die =…

Q: All other factors the same, as the sample size increases, the margin of error A. decreases

A: Given that Statement - As the sample size increases, the margin of error _____________ We know…

Q: Find the values of the UCL and LCL for the R chart for this data

A: Number of sub-groups = 20 Sample size n = 7

Q: We use a 2-proprtion z-test when we want to: Group of answer choices Compare two sample proportions…

A: A hypothesis test which determine whether the difference between two proportions is significant.…

Q: Suppose 65% of all college students find watching TV a waste of time. The population proportion is…

A: Consider that p is proportion of all college students find watching TV a waste of time.

Q: H Find z when = The z-score for the sampling distribution is given by z = 15, 4 = 15, o, = 22, %3D…

A: As givev, x¯ = 15 μx =15 σx=22 n = 16 It is required to obtain the z-score.

Q: Determine the shape of the sampling distribution of the sample mean given the following information:…

Q: Describe the sampling distribution of p. Round to three decimal places when necessary. N= 18,000, n=…

A: The sampling distribution of the sample proportion depends on the sample size. For large n, the…

Q: A t-test would NOT be appropriate for which sample size? a.27 b.17 c.16 d.57

A: The question is about t test Introduction : t test : 1 ) This test is used check whether the mean of…

Q: A company that produces white bread is concerned about the distribution of the amount of sodium in…

A: The sample size is 100, the sample mean is 103 and the sample standard deviation is 10.

Q: Find the standard error In a survey of 550 T.V. viewers, 20% said they watch network news programs.…

A: Given,n=550p^=0.20

Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

C6. When taking a random sample from a very large population, how does the standard
error of the mean change when
a. the sample size is increased from 100 to 1,600?
b. the sample size is decreased from 300 to 150?
c. the sample size is multiplied by 4?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Point Estimation, Limit Theorems, Approximations, and Bounds$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.

Similar questions

Help
Describe the sampling distribution of p. Assume the size of the population is 20,000. n= 800, p = 0.8 Choose the phrase that best describes the shape of the sampling distribution of p below. VA. Approximately normal because ns 0.05N and np(1- p) 2 10. B. Not normal because ns0.05N and np(1-p) 2 10. OC. Not normal because ns0.05N and np(1- p) < 10. O D. Approximately normal because ns0.05N and np(1- p) < 10. Determine the mean of the sampling distribution of p. Ha = 0.8 (Round to one decimal place as needed.) Determine the standard deviation of the sampling distribution of p. (Round to three decimal places as needed.)
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
Consider these sample data: x1=15, x2=9, x3=3, x4=22. a. Find n. b. Compute ∑xi. c.Determine x. a.n=
Consider a population proportion p = 0.27. Calculate the standard error for the sampling distribution of the sample proportion when n = 17 and n = 65?
Assume we know the following for a paired-samples t test: N = 32, Mdifference = 1.75, s = 4
Please answer quickly!
Describe the sampling distribution of p. Assume the size of the population is 15,000. n= 400, p = 0.4 Choose the phrase that best describes the shape of the sampling distribution of p below. O A. Approximately normal because ns0.05N and np(1- p) < 10. O B. Not normal because ns0.05N and np(1-p) 2 10. O C. Approximately normal because ns0.05N and np(1- p) 10. O D. Not normal because n<0.05N and np(1-p)< 10. Determine the mean of the sampling distribution of p. (Round to one decimal place as needed.) Determine the standard deviation of the sampling distribution of p. OA = (Round to three decimal places as needed.)
O a. the OLS estimate of r is biased due to sample selection. O b.the OLS estimate of r is unbiased. Oc the error u is homoskedastic. O d. the OLS estimator is BLUE.
Q6. Select the best response. The sampling distribution of the mean will be approximately Normaleven when the population is not exactly Normal as long as the sample is: A. medium B. large C. small
Answer number 1 to 3 pls. I don't want to waste my money here thanks.