User Account

All Pages

Why might the correlation have changed so much

Assignment Help Basic Statistics
Reference no: EM132159049

Suppose that you rerun your analysis from the previous example, but this time you remove one person who had a high GPA but lots of errors on the report. With this person removed, your correlation is now r = -0.78. Why might the correlation have changed so much?

Reference no: EM132159049

Questions Cloud

What are the null and alternate hypotheses : (a) What are the null and alternate hypotheses? (b) What is the level of significance? (c) What is the standard error?
Develop a 90% confidence interval for the population mean : A simple random sample with n=52 provided a sample mean of 22.0 and a sample standard deviation of 4.3.
The population standard deviation : A simple random sample of 40 items resulted in a sample mean of 20. The population standard deviation is 4. Round your answers to two decimal places.
Why might the correlation have changed so much : With this person removed, your correlation is now r = -0.78. Why might the correlation have changed so much?
Why might the correlation have changed so much : With this person removed, your correlation is now r = -0.78. Why might the correlation have changed so much?
Graduate gpa and the number of errors : Suppose that you have a set of data that produces a correlation of r = -0.67 between graduate GPA and the number of errors made in a psychological report.
What is the effectiveness of inspection : Of these the inspector removes 7, but he/she also removes 3 bags that were not defective. How what is the effectiveness of this inspection?
Size are taken from the same population : Repeated random samples of the same size are taken from the same population. Which of the following would you expect to see?
What is the sampling distribution of the sample proportion : If a random sample of 100 people is selected from this population, what is the sampling distribution of the sample proportion?

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd