Chi-square test for independent attributes

Assignment Help Basic Statistics

Reference no: EM1322530

Chi-square test for independent attributes.

On the most recent tax cut proposal, a random sample of democrats and republicans in the Congress cast their votes as follows:

Democrats: Favor = 85 Oppose = 78 Abstain = 37

Republicans: Favor = 118 Oppose = 61 Abstain = 25

Are the opinions on the tax cut proposal independent of party affiliation? Use a = 0.01

Reference no: EM1322530

Questions Cloud

Normal distribution-probability concept : Find the probability that he will answer all 10 questions correctly.

Estimate the number of water molecules in that person : The density of free electrons in gold is 5.90 x 10^28 m-3. The resistivity of gold is 2.44 x 10-8 at a temperature of and the temperature coefficient of resistivity is 0.004 ()-1. A gold wire, 1.30mm in diameter and 27cm long, carries a current of..

Confidence interval for population mean : Confidence interval for the population mean - Prepare a 99% confidence interval for the population mean.

Travelled in the time between the sighting of the freight : A passenger train is travelling at 32 m/s when the engineer sees a freight train 384 m ahead of his train travelling in the same direction on the same track. The freight train is moving at a speed of 5.7 m/s.

Chi-square test for independent attributes : Chi-square test for independent attributes - Are the opinions on the tax cut proposal independent of party affiliation? Use a = 0.01

Identification of continuous and discrete random variables : Identify each of the random variables as continuous or discrete.

Testing for population mean : Testing for Population mean - Based on this sample evidence, is Joan's supervisor correct? Use a = .05.

How long does it take the aircraft to become airborne : A hydrogen molecule with an initial velocity of 1200m / s makes a collision with a molecule of oxygen at rest. The reason for the masses of molecules is mO / mH = 16. What are the speeds of the molecules after collision.

Role of top management at major global electronics : Assume you have the role of top management at a major global electronics company that is developing a wireless device capable of on-demand music and video downloads from anywhere on the globe.

User Account

All Pages