Calculating confidence interval

Assignment Help Basic Statistics
Reference no: EM1316166

Compute a 95% confidence interval for the population mean, based on the sample 10, 12, 13, 14, 15, 16, and 49.  Change the number from 49 to 16 and recalculate the confidence interval.  Using the results, describe the effect of an outlier or extreme value on the confidence interval.

Reference no: EM1316166

Questions Cloud

A product is normally distributed with a mean : The weight of a product is normally distributed with a mean of four ounces and a variance of .25 "squared ounces." What is the probability that the randomly selected unit from a recently manufactured batch weighs no more than 3.50 ounces.
Evaluation of current price of the stock : Evaluation of current price of the stock - What is the current value of a share of Bollinger's stock to an investor who requires a 15 per cent required rate of return.
Elimination or substitution method to solve the equations : Elimination or substitution method to solve the equations.
Computation of financial and operating levarages : Computation of financial and operating and combined levarages and Fastron has 1 million shares of common stock outstanding
Calculating confidence interval : Calculate a 95% confidence interval for the population mean, based on the sample 10, 12, 13, 14, 15, 16, and 49.
Calculate chi-square is less than the critical value : Testout the significance of the sample correlation also develop regression equation with scatter plot. Calculate chi-square is less than the critical value
Change in budget line-increase in tax by government : Suppose instead that the government wishes to impose a value tax of $0.25 on each dollar of the consumer's expenditure on good 1.Show the effect of imposing this tax in a graph containing before and after budget lines.
Evaluate the price of stock using dividend discount model : Evaluate the price of stock using dividend discount model and how much are you willing to pay for the stock
The probability that a sheet selected at random : The population of lengths of aluminium-coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of 0.2 inches.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Discrete probability distributions

The so-called "Gambler's Fallacy" makes the mistake of not recognizing:

  Strong or weak correlation

What does  r 2  of .73 tell us? Is this a strong or weak correlation? How can you tell?

  Determining valid density function

Verify that this is valid density function. Find out probability that weight is smaller than 24 ounces.

  Determining probability of serum cholesterol level

If 1 man aged 18-24 is arbitrarily chosen, determine the probability that his serum cholesterol level is between 165 and 200.

  Normal approximation to determine probability

Use normal approximation to determine probability that x = 2. Illustrate all work.

  Computing lower and upper quartiles of log 10-balances

Compute lower and upper quartiles of log10-balances? Determine 95% range of the balances in $s?  Express in English what the two boundaries mean.

  Example on sampling variability

Sampling variability refers to the idea that different samples will include different individuals

  Probability of drawing cards

We have a deck of 52 playing cards. What is the probability of drawing?

  Computing the standard deviation for distribution

Now compute the standard deviation for this distribution.

  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?

  Independent samples t test and levene test

See if there is a difference in their means and variances.

  Questions related to the study demonstrated the statistics

Determine whether the method of delivering teaching influences adherence with antiretroviral therapy.

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