Standard error of the distribution of differences

Assignment Help Basic Statistics
Reference no: EM132461808

Use the formula to find the standard error of the distribution of differences in sample means, x¯1-x¯2.

Samples of size 105 from Population 1 with mean 83 and standard deviation 10 and samples of size 90 from Population 2 with mean 78 and standard deviation 18

(Round your answer for the standard error to two decimal places.)

Standard error = ______

(the absolute tolerance is +/-0.01)

Reference no: EM132461808

Questions Cloud

Confidence interval for the mean score of all students : Construct a 99% confidence interval for the mean score of all students. Round each answer to one decimal place.
Construct a confidence interval for the mean life : Construct a 90% confidence interval for the mean life, µ, of all light bulbs of this type. Round to the nearest ones place.
Determine the gator inc reported taxable income : Determine the Gator Inc reported taxable incomeof $1,000,000 this year and paid federal income taxes of $210,000. Compute the company's current E&
Sample results to complete the test of the hypotheses : Assume the results come from a random sample and use a 5% significance level.
Standard error of the distribution of differences : Use the formula to find the standard error of the distribution of differences in sample means, x¯1-x¯2.
What would that mean with respect to the two variables : Find the two variables, where the coefficient of determination is very low, or close to zero, what would that mean with respect to the two variables?
Why is the money multiplier in the united states smaller : Why is the money multiplier in the United States smaller than the inverse of the required reserve ratio? Provide one (1) reason.
What amounts did the legal consulting firm bill to SN Inc : The firm has just prepared the October bills for two clients, SN Inc. and MR Ltd. What amounts did the legal consulting firm bill to SN Inc. and MR Ltd.,
Calculate the expected yearly home upkeep expenditure : Calculate the expected yearly home upkeep expenditure of a home worth $300,000. Round your final answer to two decimal places (e.g. if you calculate

Reviews

Write a Review

Basic Statistics Questions & Answers

  Issue of the journal of family psychology

An article in the Davis (CA) Enterprise (5 April 1994) had the headline "Study: Fathers key to child's success." The article described a new study as follows.

  Perform a sample t-test and get the p values on spss

Perform a sample t-test and get the p values on spss which comes under (repeated anova measures) and make a graph and a SD table also

  Type of error when real message gets classified as junk

When filter permits spam to slip through into your inbox, which type of error is that? Which type of error is it when the real message gets classified as junk?

  Major constraints on production

A manufacturer of executive jet aircraft is concerned with its profit picture over the short run. It produces two different models of planes, x1 and x2. Its profits are $30,000 for each x1 and $20,000 for each x2. There are two major constraints o..

  Effective school discipline procedures

What are some statistical findings on effective school discipline procedures?

  You want to compare years of schooling among american

you want to compare years of schooling among american adults who describe their political veiwpoint as liberal moderate

  Critical value for hypothesis test

It is believed that the population standard deviation for the length of online videos is 1.7 minutes. The website would like to set α =0.05. The critical value for this hypothesis test would be ________. Round to three decimal places.

  Determining standard error of estimate

Determine the coefficient of determination R 2 . Determine standard error of the estimate s e .

  Paul received a score of 80

Paul received a score of 80 on a history test for which the class mean was 70 with a standard deviation of 10. He received a score of 75 on a biology test for which the class mean was 70

  How many people would need to be surveyed

In 2011 Pew research asked a random sample of 799 U.S. teens about their internet use, and 49% of those teens reported that they had misrepresented their age online in order to gain access to websites or online services

  What is the probability that a randomly selected resident

a) What is the probability that a randomly selected resident has neither pet? b) What is the probability that a randomly selected resident has a cat

  Determine the sample size required

Again referring to the data in 'odometer' from AnzacG.xls and the population from which it is drawn, determine the sample size required to estimate the population mean to within 5,000 kms with 90% confidence. Again assume the population standard d..

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