Assumptions to apply linear regression

Assignment Help Basic Statistics
Reference no: EM1392461

1. What are the only three ways to setup the Hypothesis (Ho & H^)? ( the last symbol "^" is in the bottom of the H)

2. What are the assumptions regarding a large one sample z-test and what Excel aid would you use to perform the test, Data Analysis or MacDolt?

3. What are the assumptions regarding a small one sample t-test and what Excel aid would you use to perform the test, Data analysis or MacDolt?

4. What are the assumptions regarding a small two sample t-test and what Excel aid would you use to perform the test, Data analysis or MacDolt?

5. What are the assumptions regarding an ANOVA test and what Excel aid would you use to perform the test, Data analysis or MacDolt?

6. Critically discuss the assumptions, if any, regarding a Chi-square test?

7. What are the assumptions to apply linear regression?

Reference no: EM1392461

Questions Cloud

Policy of internal innovation of companies : Investigate and report on two companies. Choose one which has always adhered to policy of internal innovation and second which has obtained technology many times through external means.
Our legal system relies on several components : Our legal system relies on several components - Constitutions (federal and states), statutes, case law applied by judges, and regulations written by regulatory agencies.
Explain what is the correct banking angle of the road : If the string is 9.50 m long, has a mass of 55g and is pulled taut with a tension of 9.5 N, how much time does it take for a wave to travel from one end of the string to other.
Critical value approach to test the level of significance : Test, at the 5% level of significance, whether the population standard deviation of hours spent studying is less than 10. Use the Critical value approach.
Assumptions to apply linear regression : Critically discuss the assumptions, if any, regarding a Chi-square test? What are the assumptions to apply linear regression?
How long the engines should be fired : The spacecraft's mass is 291 kg and the thrust (force) of the rocket engines is 59 N. If the speed of the spacecraft should be decreased by 128 m/s, how long the engines should be fired. (Ignore the change in mass as a result of the rocket engines..
Finding standard deviation of normal distribution : A work-study engineer times a certain operation, and discovers that the average time it takes is 10 minutes, but on 15% of occasions it takes more than 13 minutes.
How long does the projectile remain in the air : A projectile is fired horizontally from a gun that is 88-m above flat ground, emerging from the gun with a speed of 250m/s.
Estimating the probablility of the event : If you were using the relative frequency of an event to estimate the probablility of the event, would it be better to use 100 trials or 400 trials according to the law of large numbers?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Appropriate distribution to build simulation model

A five-star hotel accepts 100 room reservations daily. For each reservation accepted, there is a 7% chance that the guest will not arrive.

  Average forecast of demand

Compute a 3-month moving average forecast of demand for April through January (of the next year).

  Relationship between level of education and volunteerism

What can you tell me about the direction, strength and significance of this association and What would you expect for somebody without any formal education whatsoever and what can you tell me about the nature of this relationship?

  Their total cholesterol levels before also after the diet

Utilizing the 5% level of significance as there was a significant change in cholesterol level. Their total cholesterol levels before also after the diet.

  Finding sample standard deviation

Find out sample standard deviation (s) of scores Gordon Golfer made on his last four rounds (determine to the nearest one tenth, or .1).

  The dependent t-test for paired samples

Ace Jack had no idea whether the $100,000 he pays for training for his used car salespeople works.

  Curvilinear relationship between two variables

How would you go about studying a nonlinear or curvilinear relationship between two variables using contingency tables and chi-square tests? Provide examples from you own professional experience.

  Iq scores and normal distribution

A person must score in the upper 2% of the population on an IQ test to qualify for member ship in Mensa, the international high-IQ society. If IQ scores are normally distributes with a mean of 100 and a standard deviation of 15, what score must a ..

  Computing probability values using the empirical rule

The ages of cars owned by all employees of a large company have a bell shaped distribution with a mean of 8 years and a standard deviation of 2 years. Using the empirical rule, find the approx. percentage of cars (owned by those employees) that are b..

  Rolling a fair-six sided die

What is the probability of obtaining 4 ones in a row when rolling a fair, six-sided die? Interpret this probability.

  Shape of the population distribution

Construct a stem and leaf plot of the income. what do you predict about the shape of the population distribution. complete the following sentence. Fifty percent of the data falls below $ ______.

  Hypothesis testing and confidence interval of two proportion

Establish a 99% Confidence interval about the difference in the proportion of the town voters and county voters who favor the proposal.

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