What is a simple but legitimate power analysis formula

Assignment Help Basic Statistics
Reference no: EM13241117

What is a simple but legitimate power analysis formula? I am trying to do qualitative research on African American HS boys in the Midwest. I am using nominal variables and I want to have roughly 75-90 participants. Would this be enough for power? What formula?

Reference no: EM13241117

Questions Cloud

Autobiographical or fictional accont by a slave : Explain whether you think an autobiographical or fictional accont by a slave (such as Phillis Wheatley and Olaudah Equiano) is more persuasive than a biographical or fictional account by a white author
How do you calculate a participant score if she was at : How do you calculate a participant score if she was at the 67th percentile? I only have the standard deviation of the population and the mean. s = 27 x = 448.95
Why is the normality assumption not a problem : In 1992, the FAA conducted 86,991 pre-employment drug tests on job applicants who were to be engaged in safety and security-related jobs, and found that 1,143 were positive. (a) Construct a 95 percent confidence interval for the population proportion..
By creatimg awareness of oppression : By creatimg awareness of oppression and arousing sympathy of supporters, the arts can be a form of protest. Identify and describe an example of how either black slaves or white abolitionists used the arts as a form of protest against slavery.
What is a simple but legitimate power analysis formula : What is a simple but legitimate power analysis formula? I am trying to do qualitative research on African American HS boys in the Midwest.
Representations of slavery in the visual arts : Explain whether you think the representations of slavery in the visual arts (such as William Blake's illustrations, William Hackwood's cameo, or John Singleton Copley's painting) were more compelling and convincing of the injustices of slavery than l..
Find the probability of randomly selecting someone with : Using continuity Correction. There are many situations in which a normal distribution can be used as a good approximation to a random variable that has only discrete values. In such cases, we can use this continuity correction.
Mozart was considered a child prodigy : Mozart was considered a child prodigy, performing throughout Europe. Cite your view on the notion of the child star and the impact of early success on a person who shows exceptional talent or genius.
Difference between two response sets is significant : Find out if a difference between two response sets is significant. I asked 98 boys what modalities they thought were attractive to girls. 35 said athletes; 25 said tough guys. The rest endorsed other modalities at lesser rates.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability-percentile and standard deviation

What is the probability that a random person has an IQ between 85 and 115? Find the 90th percentile of the IQ distribution.

  Determining standard error and confidence interval

The Sony corporation produces a Walkman that requires two AA Batteries. The mean life of these batteries in this product is 35.0 hours. The distribtion of the battery lives closely follows the normal probability distribtion with a standard deviati..

  Constructing bar charts and pie charts

Develop a pie chart to summarize these contributions. Develop a bar chart to summarize these contributions and why is it appropriate to construct a bar chart for these data instead of a histogram?

  Cost of removing pollution

If the cost in millions of dollars, to remove x% of pollution in a lake modeled by C=6000/200-2x, how would I figure the cost to remove 75% of the pollution?

  What critical value used in magazine-s hypothesis test

The average service time appears significantly longer than 90 seconds. What is the actual average service time? What critical value should be used in the magazine"s hypothesis test?

  Obtain the empirical influence function for the mean

Obtain the empirical influence function for the mean and sketch its influence curve. What does this influence function tell you about the mean (hint: try x = 5 or x

  Probability that the target will get hit

Girl B throws 15 times, with a prob. of success = 0.2. And girl C throws 20 times, with a probability of success equal to 0.1. Determine the probability that the target will get hit at least 12 times.

  State the decision rule of difference in mean heart rate

State the hypotheses. (b) State the decision rule and sketch it. (c) Find the test statistic. (d) Make a decision. (e) Estimate the p-value and interpret it. HeartRate.

  Mean number of letters

Find out the mean number of letters that will arrive in two days.

  Probability for normal distribution

Replacement times for new Ford Taurus GL automobiles are normally distributed with a mean of 7.1 years and a standard deviation of 1.4 years.

  Multivariate techniques

Provide at least 1 example of how a real company has used each of the following multivariate techniques: factor analysis, multi-dimensional scaling, and cluster analysis.

  What proportion of cars used in day travel less

Based on past information, for the cars used, the distance traveled by a car in a day averages 170 km with a standard deviation of 40 km. What proportion of cars used in any day travel less than 100 km?

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