Show that the chi-squared statistic for the test of independence can be written in the form Why
Question:
Why is this formula more efficient computationally than the defining formula for x2?
Transcribed Image Text:
-n- i-1 j-1
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 54% (11 reviews)
So This formula is computationall...View the full answer
Answered By
Aun Ali
I am an Associate Member of Cost and Management Accountants of Pakistan with vast experience in the field of accounting and finance, including more than 17 years of teaching experience at university level. I have been teaching at both undergraduate and post graduate levels. My area of specialization is cost and management accounting but I have taught various subjects related to accounting and finance.
5.00+
13+ Reviews
32+ Question Solved
Related Book For
Probability And Statistics For Engineering And The Sciences
ISBN: 9781305251809
9th Edition
Authors: Jay L. Devore
Question Posted:
Students also viewed these Statistics questions
-
1. The chi-squared test of independence only detects linear association between the variables in a contingency table. 2. A statistically significant x2 in the test of independence implies a causal...
-
When crossing round (R) and yellow (Y) peas with wrinkled (W) and green (G) peas, one can get any combination of color and appearance, denoted here as RY, RG, WY and WG, but traits round and yellow...
-
In Exercise 11.5 when you used the GSS to download a 3 Ã 3 table for family income and marital happiness in 2012, you should have obtained results similar to the following table. a. State the...
-
Write a method: that displays the prompt string, reads an integer, and tests whether it is between the minimum and maxi mum. If not, print an error message and repeat reading the input. Add the...
-
The company reported the following information relating to inventory for the month of April: Sales for the month totaled $80,000. Compute the estimated cost of inventory on hand at the end of the...
-
Which statement is least appropriate? When employee fraud or irregularity comes to the attention of the auditor there are a number of alternative courses of action: a. Call the police. b. Search the...
-
Industrial clusters can be valuable tools for a countrys economy. Identify three global examples and describe their development. Do not choose your own country. LO.1
-
Use regression analysis on deseasonalized demand to forecast demand in summer 2013, given the following historical demanddata: YEAR SEASON ACTUAL DEMAND 2011 Spring 205 Summer Winter Summer Winter...
-
Sunland Company owns 25% of Lauer Company. For the current year, Lauer reports net income of $185,000 and declares and pays a $37,000 cash dividend. Record Sunland's equity in Lauer's net income and...
-
Which of the following is not a characteristic of an assurance service? a. The engagement is conducted by an independent professional. b. The service lends credibility to information. c. The subject...
-
Eclosion refers to the emergence of an adult insect from an egg. The following data on eclosion rates when nymphs were exposed to heat for various durations was extracted from the article "High...
-
Suppose that each student in a sample had been categorized with respect to political views, marijuana usage, and religious preference, with the categories of this latter factor being Protestant,...
-
Write down the Cox proportional-hazards model. What does the term proportional hazards mean? Pulmonary Disease A study was performed among 169,871 Chinese men and women in 1991 ages 40 years and...
-
A carload of Hg-ore containing grains of cinnabar (86%Hg by mass; density = 8.19 g/cm3) and grains of basalt (containing no Hg; density=2.84 g/cm3) is to be sampled and analyzed for mercury. The...
-
CMS reviews acute IPPS and long-term care hospital (LTCH) records for payment purposes. Documentation and coding assignment must be accurate and specific. CMS contracts with Medicare Administrative...
-
Problem 2. x3+2x+1 f(x) = = 5-x 8H xx (4 points) Without graphing the function, find the limits lim f(x) and lim f(x) analyt- ically and show your work. Specify if the limits are - or +. (1 point)...
-
For change management, answer the following questions in detail, citing some industry examples: 1. What would you do if your manager requested you change your way of working on a project? 2. What do...
-
1.Sony has just released a new CD recording (okay, not new because we don't buy CDS) but anyway.Here is some cost and price information: CD Disc and Packaging (material and labor) $1.75/CD...
-
In a vapor-compression refrigeration system, what is the function of the following components? a. Evaporator b. Condenser c. Compressor d. Expansion valve
-
What did Lennox gain by integrating their WMS, TMS, and labor management systems?
-
The following two samples were collected as matched pairs: a. State the null and alternative hypotheses to test if the population represented by Sample 1 has a higher mean than the population...
-
The following two samples were collected as matched pairs: a. State the null and alternative hypotheses to test if the population represented by Sample 1 has a mean that is 2.0 units higher than the...
-
The following two samples were collected as matched pairs: a. Construct a 95% confidence interval to estimate the difference in means between the populations from which Samples 1 and 2 were drawn. b....
-
You are evaluating a new project for the firm you work for, a publicly listed firm. The firm typically finances new projects using the same mix of financing as in its capital structure, but this...
-
state, "The subscription price during a rights offering is normally r; lower ; lower r; higher er; higher than the rights-on price and
-
Arnold inc. is considering a proposal to manufacture high end protein bars used as food supplements by body builders. The project requires an upfront investment into equipment of $1.4 million. This...
Study smarter with the SolutionInn App