Calculating standard error of the mean

Assignment Help Basic Statistics
Reference no: EM1314779

Question 1: The standard deviation of the population of individual scores is 15. A random sample of 10 scores yields a mean of 100. Calculate the standard error of the mean.

Question 2: The standard deviation of the population of adult female height scores is 3 inches. A random sample of 50 women yields a mean height of 64 inches. Calculate the standard error of the mean.

Reference no: EM1314779

Questions Cloud

Bonds current yield and yield to maturity and valuation : Bonds current yield and yield to maturity and valuation and Assume that the yiel to maturity remains constant for the next 3 years
Solve the algebraic expression : Solve the algebraic expression.
Calculation of cost per motor as per cost accounting : Calculation of cost per motor as per cost accounting -  Determine the cost per motor, for cost accounting purposes, after completion of the additional plant capacity.
Utility maximization problem : Maggie's utility function is and her income is $5000. Then her MRS at generic bundle (x1, x2) is 50-0.25x1. Commodity 2 is a composite good, and hence its price is unity.
Calculating standard error of the mean : The standard deviation of the population of adult female height scores is 3 inches. A random sample of 50 women yields a mean height of 64 inches. Calculate the standard error of the mean.
Calculation of goodwill value : Calculation of goodwill value - What amount if any will Hi-Tech record as goodwill on the date of purchase
Monopoly profit and cartel profit : The ten firms have banded together to form a cartel, and the cartel sets the monopoly price. The cartel agreement limits each firm to an output of one-tenth of the total amount demanded at the cartel price.
Population mean on the basis of the sample mean : Estimating the value of the population mean on the basis of the sample mean alone produces a(n):
Solving the expression : Solving the expression.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determining mean of money withdrawn from atms

If random sample of thirty six customer transactions points out that sample mean withdrawal amount is $172, is there evidence to think that population mean withdrawal amount is no longer $160? Determine the mean of data above?

  Creating confidence interval estimate of population mean

Create a 99% confidence interval estimate of population mean amount of paint included in a 1 gallon can.

  Profit value using crystal ball software

How much net profit can John expect (on average) to earn from the store in total over the next five years?

  Population variance specification

Suppose the sample variance for 30 parts turns out to be  s 2  = .0005. Use α = .05 to test whether the population variance specification is being violated.

  Linear regression equation

Develop a linear regression equation for the given data and forecast how much money Robert will win if he spends $30.

  Computing chance that pharmaceutical stock will fall

What is the chance that stock will fall by more than 15% next month?  What extra assumption are you making when replying this question?

  Perform hypothesis testing

Perform hypothesis testing on one variable's data.

  Evidence that females are being discriminated against

Examine the relationship between final grade and the reported hours per week each student said they studied for the course. Do we have evidence that females are being discriminated against?

  Estimating probability-discrete distribution

Suppose you were to cut up the directory and pull out one listing at random to contact.

  Determining the correlation coefficient and regression lines

Make a scatter plot, illustrate the regression lines. Determine the correlation coefficient between husband’s and wife’s education for couples in which wife is employed full time?

  Appropriate set of hypotheses

What is the appropriate set of hypotheses to test such that a possible outcome of the test would indicate;

  Confidence interval for the population mean

Take a confidence interval for the difference in the average of renting between the first andthird hotel.

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