Find the standard error of sample mean

Assignment Help Basic Statistics
Reference no: EM1321177

If random samples, each with n = 4 scores, are selected from a normal population with MK = 80 and o=10, then the distribution of sample means will have a standard error of __________ .

A. 2.5
B. 5
C. 10
D. 80

Reference no: EM1321177

Questions Cloud

Importance of focusing design on trainee : Outline the importance of focusing design on the trainee; explain your learning style and give examples of teaching techniques that support your learning style.
Solving probability problems based on binomial distribution : Solving probability problems based on Binomial distribution
Determine the standard error of sample mean : mean is calculated for each sample, then the average distance between M and u would be:
Case study of larson and son : Larson and son manufactured welders that frequently malfunctioned, setting clothing on fire and causing serious burns. Larson and Son sold all of its assets to Swenson Co.,
Find the standard error of sample mean : If random samples, each with n = 4 scores, are selected from a normal population with MK = 80 and o=10
How many permutations are there of 12 objects : How many permutations are there of 12 objects taken five at a time? How is this answer related to answers in 1 and 2?
Example of nonverbal feedback : Provide an example where nonverbal feedback was used and describe the end result?
Social movement with no formal organization : Essay Topic: James Scott argues that the weapons of the weak constitute a “social movement with no formal organization, no manifestoes, no dues, no name, and no banner”
What is standard error : On average, the size of the difference between the sample mean and the population mean is predicted by:

Reviews

Write a Review

Basic Statistics Questions & Answers

  Difference in voting patterns

Can we conclude a difference in voting patterns for men vs. women? YES or NO (circle one)

  Probability in case of style of pottery

Santa Fe black on white is a style of pottery that occurs in about 61% of the pot shards found in the Bandelier National Monument area.

  Find the standard normal score or z-score

Find the mean ______________ and the standard deviation _____________

  Finite-population correction factor

Should the finite-population correction factor be used? Why or why not?

  Probability when randomly selected

If we select a crew member at random, what is the probability the crew member earns:

  Probability of a fatal accident

What is the probability of a fatal accident over a lifetime?

  Condition for the events to be independent

Using the simple test of independence (described in the lecture), decide if the events high calorie and high fiber are independent or dependent. Show your work.

  Variances-population means and paired

Test the hypothesis. Will you reject or not reject the null hypothesis at α = 0.05

  Test at significance level-population standard deviation

Using the original data, test at the 5% significance level that the population standard deviation of studying times is greater than 4 hours.

  Explain one sample z test for p-value approach

Find out the test statistic P-value, and critical value, and state the final conclusion. The mean IQ score of statistic professors is less than 120. Sample data: n = 46. Suppose that = 17, and the significance level is = 0.05.

  Assumptions for pearson correlation

Suppose that a researcher does a study to see how level of anxiety (A 1  = low, A 2  = medium, A 3  = high) is used to predict exam performance (Y).

  Estimate the value of the population proportion

Develop a 99% confidence interval for the population proportion.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd