Statistical test to examine differences in attitudes

Assignment Help Basic Statistics
Reference no: EM13109705

Suppose you are testing the differences in attitudes toward health care reform using Democrats, Republications, and Independents. What statistical test would you use?

Reference no: EM13109705

Questions Cloud

Why researcher selected random sample to test claim : Found mean number of sticks of gum chewed per day was 9. Standard deviation of population is 1. At α = .05, is number of sticks of gum person chews per day actually is greater than 8?
Question on hypothesis testing of mean and variance : The following data are from an independent-measures experiment comparing two treatment conditions. Do these data indicate a significant difference between the treatments
Determine the minimum cycle time : As part of a major plant renovation project, the industrial engineering department has been asked to balance a revised assembly operation to achieve an output of 240 units per eight-hour day.
Calculate the percentage idle time for the line : Balance the line using the largest positional weight heuristic. Break ties with the most following tasks heuristic. Use a cycle time of 50 seconds.
Statistical test to examine differences in attitudes : Suppose you are testing the differences in attitudes toward health care reform using Democrats, Republications, and Independents. What statistical test would you use?
Define level of proof-technical definition of alpha : What is the technical definition of alpha? When might a "high level of proof" be required in business? Why does a "high level of proof" mean a small value of alpha?
State random variable for situation and list its values : A company produces calculators in batches of 64. Four out of every 100 calculators are defective. State the random variable for this situation and list its values.
How many cars expect to see in the system : A toll tunnel has decided to experiment with the use of a debit card for the collection of tolls. Initially, only one lane will be used. Cars are estimated to arrive at this experimental lane at the rate of 780 per hour.
Determine critical region and critical values for z : Determine the critical region and critical values for z that would be used to test the null hypothesis at the given level of significance, as described in each of the following:

Reviews

Write a Review

Basic Statistics Questions & Answers

  Calculating the test statistic of a printing plant

The superintendent of a printing plant has selected a random sample of 100 rolls of paper from a large shipment. The average length of the sample rolls is 416 feet, with a variance of 2704 feet.

  Analyzing the number of chocolate chips per cookie

The manager wants to know the probability that any particular cookie will have fewer than 5. What type of probability distribution will most likely be used to analyze the number of chocolate chips per cookie?

  Sampling distribution of line

Show the sampling distribution of line over x where line over x is the sample mean annual cost of automobile insurance.

  Survey reported in the business week

According to a survey reported in the Business Week, 30% of adults in the U.S. said that the cell phone is the invention that they hate most but cannot live without.

  Average amount of money steady smokers spend

Suppose a research firm conducted a study to determine the average amount of money steady smokers spend on cigarettes during a week.

  Identifying the null and alternative hypotheses

Then test to see whether it considerably varies from 0 [use alpha = 5%]. Don't forget to identify the null and alternative hypotheses.

  Difference between t-tests and z-tests

In drawing an inference using a single mean in hypothesis testing, you often have a choice between doing a z-test or a t-test. Many researchers will always choose to do the t-test even under circumstances where the z-test would work as well.

  Determining expected dividend per share

Dividend is expected to grow 7% a year for next 3 years and then at 5% a year after that. Determine the expected dividend per share for each of the next five years?

  Responsibility for planning the parking

You are responsible for planning the parking needed for a new 256-unit apartment complex, and you're told to base the needs on the statistic "average number of vehicles per household is 1.7."

  Correlation between the two variables

Bill is completing a project for you in the marketing department. In conducting his anaysis regarding consumer behavior and a new product that has been released, he tells you the correlation between these two variables is 1.09.

  Probability of finger ridge counts

In the study of fingerprints, an important quantitative characteristic is the total ridge count for the 10 fingers of the individual.

  Experiencing significant relief from symptoms

In a clinical study of an allergy drug, 115 of the 204 subjects reported experiencing significant relief from their symptoms. At the 0.01 significance level, test the claim that more than half of all those using the drug experience relief.

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