What is the null hypothesis

Assignment Help Basic Statistics
Reference no: EM131349497

In an experiment, one group of research participants is given 10 pages of material to proofread for errors. Another group proofreads the same material on a computer screen. The dependent variable is the number of errors detected in a 5-minute period. A .05 signifi cance (alpha) level is used to evaluate the results.

a. What statistical test would you use?

b. What is the null hypothesis? The research hypothesis?

c. What is the Type I error? The Type II error?

d. What is the probability of making a Type I error?

Verified Expert

This assignment is written in word and is based on deciding the statistical power's dependence by considering various scenarios. It is original work completely.

Reference no: EM131349497

Questions Cloud

Analyze whether the situation violates hlcs criterion two : Analyze whether the situation violates HLC's Criterion Two. Make a recommendation to avoid the situation in the future. Provide evidence to support your position. Include links and APA formatting for your evidence.
What is meant by statistical significance : Distinguish between a Type I and a Type II error. Why is your significance level the probability of making a Type I error?- What is meant by statistical significance?
What influences the probability of a type ii error : What influences the probability of a Type II error? -  What is the difference between statistical significance and practical significance?
Describe three potential threats to institutions integrity : To support your speech, describe at least three potential threats to the institution's integrity, such as plagiarism, research practices, financial compliance, accountability, and any others.
What is the null hypothesis : What statistical test would you use?- What is the null hypothesis? The research hypothesis?- What is the Type I error? The Type II error?
What has capitalism got to do with inequality : Point of these short essays is to distill essential arguments from the readings and leave out arguments and facts that support the essentials without being essential themselves.
Errors detected in the print and computer conditions : When Professor Seuss conducted the same experiment, the means of the two groups were 21.1 and 14.7, but the difference was statistically significant. Explain how this could happen.
What is a swot analysis : What is a SWOT analysis? A SWOT graph with bullet-points defining your strengths, weaknesses, opportunities, and threats as they relate to the five university learning objectives.
How would you respond if you were diagnosed with hiv : How would you respond if you were diagnosed with HIV? Address hope and fear in your response.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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