Differences in three hypotheses tests

Assignment Help Basic Statistics
Reference no: EM13113446

I have studied 3 similar methods for testing hypotheses about population means -- a 1-sample test, and 2 versions of a 2-sample test (independent samples, and dependent samples).

What are the key conceptual differences between these 3 methods? In other words, under what conditions do we choose each method for our analysis, and why?

Reference no: EM13113446

Questions Cloud

Hypothesis test of artificial fingernails : Your director has banned the use of all artificial fingernails, claiming their use contributes to patient infections in the unit. After multiple discussions the director has allowed you to do a research study to determine if the use of artificial ..
Which counpound has the highest normal boiling point : At 100 degrees C, the vapor pressure of water, methanol, and ethanol are 760, 2625, and 1694 torr, respectively. Which counpound has the highest normal boiling point.
Hypothesis testing and regression : Bi-lo Appliance Stores has outlets in several large metropolitan areas. The general sales manager plans to air a commercial for a digital camera on selected local TV stations prior to a sale starting on Saturday and ending Sunday.
How much time (in s) is needed : 2NOCl(g) → 2NO(g) + Cl2(g) ,At 450 K the rate constant is 15.4 atm-1s-1. How much time (in s) is needed for NOCl originally at a partial pressure of 46 torr to decay to 25.8 torr.
Differences in three hypotheses tests : What are the key conceptual differences between these 3 methods? In other words, under what conditions do we choose each method for our analysis, and why?
Rare event and statistical significance : The Spanish patients, two men and two women, were elderly and very ill. All four had undergone routine dialysis at the Hospital de la Princesa. Soon after, they began sweating and vomiting, some of them in excruciating pain. They died within a few..
Five step hypothesis testing for mean with one sample : The manufacturer of the X-15 steel-belted radial truck tire claims that the mean mileage the tire can be driven before the tread wears out is 60,000 miles.
Choose the atom that has the largest partial positive charge : Formic acid, CH2O2, can be decomposed to produce hydrogen. The Lewis structure for formic acid, CH2O2, is show below. The atoms are labeled A, B, C, D, E.
Hyopthesis testing of oil-related stocks : A financial analyst wants to compare the turnover rates, I percent, for shares of oil-related stocks versus other stocks, such as GE and IBM. She selected 32 oil related stocks and 49 other stocks.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Fitting of orthogonal polynomial regression model

What conclusions can you draw about the nature of the relationship between anxiety and exam performance?

  One-tailed or two-tailed test

Would you use a one-tailed or two-tailed test? Explain your response.

  Set of height measurements

This set of height measurements are recorded in centimeters. Answer the following questions using the Histogram Applet.

  F test for comparison of variance

For the samples summarized below, test the hypothesis at =0.05 that the two variancees are equal.

  Determine the probabiliyt of type two error

Assume you always reject null hypothesis, regardless of any sample evidence. Determine the probabiliyt of Type II error? P(Type II error).

  Evaluate the p-value of the anova f test

The hypotheses tested by the one-way ANOVA F test - Evaluate the P-value of the ANOVA F test

  Confidence interval question for houses sold

Suppose that a random sample of fifteen recently sold houses in a certain city has a mean sales price of $290000 , with a standard deviation of $15,000.

  Student query-hypothesis testing

OHIP records show the average length of stay in Ontario hospitals is 5.4 days. A researcher sampled 125 patient records at US hospitals and found that the mean stay was 4.6 days

  Relationship between dichotomour and categorical variables

Identify a research question from your professional life, research interests, or everyday experience that could be addressed by this analysis.

  Regression equation and percentage of variance

Find the regression equation and percentage of variance and test whether the equation is significant portion of the variance.

  What is expected value of a two point shot

If the probability of making a two point shot is greater than the probability of making a three point shot, why do coaches allow some players to shoot the three point shot if they have the opportunity?  Use expected value to explain your answer.

  Example of a design that has three confounds

What are confounds? Give an example of a design that has three confounds. Describe three ways to alter the design to address these confounds and explain the advantages and disadvantages of each.

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