Estimate of population mean

Assignment Help Basic Statistics
Reference no: EM131764011

Population A and Population B both have a mean height of 70.0 inches with an SD of 6.0. A random sample of 30 people is picked from population A, and random sample of 50 people is selected from Population B. Which sample mean will probably yield a more accurate estimate of its population mean? Why?

Reference no: EM131764011

Questions Cloud

Discuss solvency ratios shannon corporation gathered : Profitability, Liquidity, and Solvency Ratios Shannon Corporation gathered the following information
Compute the number of days on which the train arrives late : Taking the train According to New Jersey Transit, the 8:00 a.m. weekday train from Princeton to New York City has a 90% chance of arriving on time.
Define the parameter of interest : Define the parameter of interest, giving appropriate notation and writing a sentence saying what it is.
Calcaulate the cost and stuff : Explain how you will evaluate the extent to which your marketing plan is "successful" at the end of the first, second and third years .
Estimate of population mean : Which sample mean will probably yield a more accurate estimate of its population mean? Why?
Discuss problem on binomial setting : Binomial setting? A binomial distribution will be approximately correct as a model for one of these two settings and not for the other.
Compare and contrast the development and use of gaap : Compare and contrast the development and use of GAAP and IFRS
Model has been fit to a time series : The last four observations were Yn-3 = 105, Yn-2 = 102, Yn-1 = 103, and Yn=99. Forecast Yn+1 and Yn+2 using these data and estimates.
Prepare an annotated bibliography on article : Prepare an Annotated Bibliography - Hospital Do-Not-Resuscitate Orders: Why They Have Failed and How to Fix Them.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Describe the format of a linear regression equation

Describe the format of a linear regression equation for estimating the dollar amount of the order on the basis of the other variables described above. If any qualitative variables are used, indicate the strategy for coding them.

  Calculation of eps and retained earning everdeen

Calculation of EPS and retained earning everdeen mining INC ended 2015 with a net profit before taxes of $ 436,000.

  Analysis of variance- one way classificationa

analysis of variance- one way classification.a pharmaceutical company wants to determine whether there is any

  Predict the brain weight for the species

Prediction. The line on the scatterplot in Figure is the least-squares regression line for predicting brain weight from body weight.

  Confidence interval of the mean

If the standard deviation of the population was s = $6.36, find the 90% confidence interval of the mean.

  Can you conclude that the company claim is false

Mong Corporation makes auto batteries. The company claims that 80% of its LL70 batteries are good for 70 months or longer.

  Compute the standard error of estimated sales

Suppose a large sample is selected (instead of just 10). About 95 percent of the predictions regarding sales would occur between what two values?

  The phase margin versus the time delay

(a) Determine the gain K so that the phase margin is 60° when T - 0.2. (b) Plot the phase margin versus the time delay T for K as in part (a).

  Calculate p-value for hypothesis test-intake linoleic acid

Test hypothesis that intake of linoleic acid in this group is lower than that of general population. Also, calculate p-value for hypothesis test.

  Is the process in a state of statistical control

What is the first thing that the team from the advertising production department should do to reduce the number of errors? Explain

  What is probability that a majority of them are made sick

If seven workers are selected at random, what is the probability that a majority of them are made sick by their workplace?

  Lake wobegon junior college admits students only if they

lake wobegon junior college admits students only if they score above 400 on a standardize achievement test. applicants

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