Choose a variable and collect data for at least three

Assignment Help Basic Statistics
Reference no: EM13241081

Choose a variable and collect data for at least three different groups (samples). Compare the means of the three groups using the one-way ANOVA technique. Complete the following:

1. Write a brief statement of purpose of the study 

2. Define the population 

3. State how the sample was selected 

4. What a value did you use? 

5. State the hypotheses 

6. What was F test value? 

7. State the decision 

8. Summarize the results

Reference no: EM13241081

Questions Cloud

In a national wide survey a researcher expects 30 percent of : In a national wide survey a researcher expects 30 percent of the population will agree with an value statement. He wishes to have less than 2% error and 95% confident. What sample size is needed?
Calculate a confidence level at 95% to get an interval : Calculate a confidence level at 95% to get an interval estimate for proportion?
How did the weaknesses of the roman economy : How did the weaknesses of the Roman economy in the Western Empire affect the Empire, and in what way did these weaknesses lead to the fall of Rome?
Suppose you are planning a sample of employees to determine : Suppose you are planning a sample of employees to determine the monthly average # of vacation days. Standards set: Confidence level of 99% and an error of less than 5 units. Standard deviation be 6 units. What would be the required sample size?
Choose a variable and collect data for at least three : Choose a variable and collect data for at least three different groups (samples). Compare the means of the three groups using the one-way ANOVA technique. Complete the following
Issues concerning the west and indian policy : Explain how, even in this early period, issues concerning the west and Indian policy were divisive to American unity.
Table to give legitimate probability distribution : Fill in the P (X=x) values in the table to give legitimate probability distribution for the discrete random variable X, whose possible values are -4, 1,2,3 and 6.
What are the consequences or fallout from war : What are the consequences or fallout from war? do the costs of war ever outweigh the gains? When is it time to go war and when is it time to make peace? why, how and when is this dertermaination made?
Conduct a suitable test at the 1% level of significance : Administrative staff based at a business school in the UK are advised to take a 15 minute break from their personal computer after working on it for 90 minutes continuously. A random sample of 36 staff revealed that, one average a break was taken aft..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Proportion of ball bearings

Ball bearings are manufactured with a diameter of 5 mm. But the process has variation, so the diameter is normally distributed with a mean of 5 mm and a standard deviation of .02 mm. A) What proportion of ball bearings are more than 5.03 mm?

  Conduct the test customer selected a significance level

The customer measured the tension of each and calculated the summary statistics. In order to conduct the test, the customer selected a significance level of Interpret this value.

  Independent and dependent variable

Identify your research question, your research (alternative) hypothesis, and your null hypothesis. Also, identify your independent and dependent variable.

  Workers attitudes using alpha

a) Do a test to see if workers attitudes on this matter have changed using a 90% alpha. b) Explain to management what your findings are and what this suggests about future decisions vs work options.

  Describe two designs that can address

In a few sentences, describe two designs that can address the research question, can international quality system standards reduce the number of medical device failures that cause injury or death to users? The designs must involve two different stati..

  How many outside salespeople to sample

If you must estimate the population mean within 2 days, how many outside salespeople should you sample? Use the 90 percent confidence level.

  Find probability that first selected drinker qualifies

What is the probability that:  The first randomly selected drinker qualifies? Three sports drink users will have to be interviewed to find the first Gatorade drinker?

  Memory development in children-research variables

A developmental psychologist is studying memory development in children. He is interested in determining the exact age at which children began to recall long-term episodic memories.

  Probability that operator will get live answers on calls

There is an operator at the center who places 25 outgoing calls in a one-hour period. What is the probability that this operator will get live answers on 7 or more calls?

  Computing all the descriptive statistics

To compute all the descriptive statistics for the following set of three test scores over the course of a semester. Which test had the highest average score? Which test had the smallest amount of variability?

  Explain new composition course which has significant effect

If writing scores for population have standard deviation of σ = 20, does sample give adequate evidence to conclude that new composition course has significant effect?

  Probability related to testing of batteries

Suppose that 50 identical batteries are being tested. After 8 hours of continuous use, assume that a given battery is still operating with a probability of 0.70 and has failed with a probability of 0.30.

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