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

  Survey on internet regularly

According to a recent survey, 275 of 400 middle-aged Americans said they used the Internet regularly. 140 of 400 senior citizens said they used the Internet regularly.

  Evaluate the confidence interval

The 50 members of the placebo group had blood pressure lowered by an average of 15 points with standard deviation 8 points. To analyze this information we will use a, When testing whether or not the increases in spending are different, the test is ..

  Concept of probabilities

Be sure to include information about how you would use the concept of probabilities to apply to profiles for hiring more satisfied individuals.

  Average number of putts per round

Based on these results, the proportion of the variation in 1993 winnings that is explained by the average number of putts per round and driving distance

  Standard deviations for first- and second-time

Standard deviations for first- and second-time and confidence interval

  Probability-binomial distribution

Find the probability that the number of who consider themselves basketball fans is :

  Interpreting the meaning of p-value

At 0.01 level of significance, is there evidence that mean price is higher at Whole Foods Market than at Fairyway supermarket? Interpret the meaning of p-value in (i).

  Determining the values of mean m

Determine the values of mean M and standard deviation s for original sample?

  Computing coefficient of determination

Write the regression equation approximately. Computed the coefficient of determination(r 2 ).

  Comparing value of test statistics

Compare value of test statistics F obtained in part(2) with value of t 2 , square of test statistic for testing H 0 : β 1 =0 that was needed in  test null hypothesis that true slope is 0. Interpret the results of this test.

  Estimating the sample size based on normal distribution

Karefree State University has an enrollment of 18,000. Researchers took a sample of 900 and found 477 students wanted a Field Hockey team. Construct the 95% and 99% Interval estimates for the population proportion.

  Distribution-approximately normal

The mean maximum oxygen uptake for elite athletes has been found to be 80 with a standard deviation of 8.1. Assume that the distribution is approximately normal.

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