What assumptions must be satisfied for a two-sided t-test

Assignment Help Basic Statistics
Reference no: EM131808509

Question: a. What assumptions must be satisfied for a two-sided t-test to be valid?

b. Consider each assumption in turn. What happens if the assumption is not satisfied? What, if anything, can be done to fix the problem?

The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.

Reference no: EM131808509

Questions Cloud

Prepare statement of cash flows for central duplicating fund : Central Duplicating Internal Service Fund. Prepare a statement of cash flows for the Central Duplicating Fund for the year ended September 30, 2011.
Which critical value would use for a two-sided t-test : What, in general, is a test statistic? Which test statistic would you use for a two-sided t-test?
Discuss a customer for merchandise to be manufactured : Hales borrowed $25,000 from a local bank on October 1, 2016. Principal and interest at 12% will be paid on September 30, 2017
Executive handbook has strong anti-harassment policy : Identify related laws or legislation that supports this perspective. Educational Books' executive handbook has a strong anti-harassment policy.
What assumptions must be satisfied for a two-sided t-test : Consider each assumption in turn. What happens if the assumption is not satisfied? What, if anything, can be done to fix the problem?
What is the pra new regulation ring-fencing : What is the PRA's new regulation "Ring-fencing"? What is the background? Why does central bank implement such regulation?
Can management-employers today use personal information : When in the private workplace do we have a "reasonable expectation of privacy?" If management's interest is to make sure its employees are productive?
Identify on the grsph where equilibrium occurs : Qty supliied 160 150 110 100 80 1) Identify on the grsph where equilibrium occurs. Explain ,in detail , what is meant by equilibrium
Discuss what is the firms after tax cost of debt : Currently, the bonds are quoted at 102.3 percent of face value and carry a coupon rate of 9 percent. What is the firm's after tax cost of debt if the tax rate

Reviews

Write a Review

Basic Statistics Questions & Answers

  Compute coefficient of variation

Using this data set, compute the: mode, median, mean, range, interquartile range, variance, standard deviation and coefficient of variation

  Populations with leading digits that follow bedford law

According to Berford's law, a variety of different data sets includes numbers with leading (first) digits that follow the distribution shown in the nine row of Table 1. The bottom row lists the frequencies of leading digits of the populations of a..

  Confidence interval in a single sentence

Be sure to show whether you use the t- or z- value, and what value you use. Interpret the confidence interval in a single sentence. In another sentence, state why you used either the "t" or the "z".

  Determine an appropriate model

Identify the predictors and the response variable in the dataset. Randomly select 70% of the data as training data and the remaining 30% as test data. Install the package glmnet and use elastic net method on the training data to determine an appro..

  You conducted a t-test in your capstone research you did

you conducted a t-test in your capstone research. you did not find a statistically significant difference between your

  Conduct a t-test to determine if there is a bias in sample

Conduct a t-test for independent samples to determine if respondents' assessment of County government service delivery differed between those who had contact with the County in the last year versus those who did not.

  Write a program to toss a coin

Write a program to toss a coin 10,000 times. Let Sn be the number of heads in the first n tosses. Have your program print out, after every 1000 tosses, Sn - n/2. On the basis of this simulation

  Detecting a burglar

A local bank wants to install motion detector burglar alarms. Each has a 70% chance of detecting a burglar. If the bank wants to be 99% certain of detecting a burglar how many need to be installed?

  Formulate and test appropriate set of hypotheses

Formulate and test an appropriate set of hypotheses to determine if the machine can be qualified. Use a = 0.05. Find the P-value.

  Data on the most popular colors

Vehicle colors. Vehicle colors differ among regions of the world. Here are data on the most popular colors for vehicles in North America and Europe:

  Estimate the true percentage of people

Resume fraud. In 2002 the Veritas Software company found out that its chief financial officer did not actually have the MBA he had listed on his resume.

  What is the probability that both are red

Given an urn containing three red, four green, and five yellow balls, if two balls are drawn from the urn (without replacement).

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