A student writing a term paper used ordinary least squares

Assignment Help Basic Statistics
Reference no: EM131093764

A student writing a term paper used ordinary least squares in fitting a simple linear regression; model to some time series data containing positively auto correlated errors, and found that the· 90 percent confidence interval for ß1 was too wide to be useful. The student then decided to' employ regression model (12.1) to improve the precision of the estimate. Comment

Reference no: EM131093764

Questions Cloud

Describe how to implement each operation using sorting : Consider the following extended relational-algebra operators. Describe how to implement each operation using sorting, and using hashing.
Tests concerning the autocorrelation parameter : For each of the following tests concerning the autocorrelation parameter ρ in regression model (12.2) with three predictor variables. state the appropriate decision rule based on the
Calculate the cost of credit : Purpose: The Using Consumer Credit Worksheet is designed to test a student’s understanding of credit card interest rates and how to use credit calculations for various purchases.
What range of output is marginal cost decreasing : Verify that the two alternative methods of figuring ATC (TC/Q and AVC + AFC) give the same answer. Over what range of output is marginal cost (i) decreasing? (ii) increasing
A student writing a term paper used ordinary least squares : A student writing a term paper used ordinary least squares in fitting a simple linear regression; model to some time series data containing positively auto correlated errors, and found that the· 90 percent confidence interval for ß1 was too wide t..
Some of the ways the orion strategy process : Risk management is the process of identifying risks and determining their probability of occurrence and the associated costs. In many organizations, risk management is not emphasized to the extent that best practices might dictate. If a risk has a..
The first-order autoregressive error models : A student stated that the first-order autoregressive error models ( 12.1 ) and (12.2) are too simple' for business time series data because the error term in period t in such data is also influenced by random effects that occurred more than on..
Representation of an abstract data type : Question1: Explain why a class is an excellent representation of an Abstract data type. What needs to be included in the class so that it represents a collection? How would an Interface be used with the class?
What do we learn about stein as a critic : What do we learn about Hemingway's life during this period? Comment the last sentence of the chapter. What do we learn about Stein as a critic? How does Hemingway describe Scott Fitzgerald?

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