Result is a sample size

Assignment Help Basic Statistics
Reference no: EM13155431

Calculate the sample size needed given these factors:
1. one-tailed t-test with two independent groups of equal size 
2. alpha =.05 
3. beta = .2
Assume that the result is a sample size beyond what you can obtain. Use the compromise function to compute alpha and beta for a sample half the size. Indicate the resulting alpha and beta. Present an argument that your study is worth doing with the smaller sample.

Reference no: EM13155431

Questions Cloud

Make use of modified form of the clausius-clapeyron equation : Use the modified form of the Clausius-Clapeyron equation to estimate the boiling point of water at 24.0 torr pressure
Which protein is responsible recruitment of splicing factors : Transcription initiation in eukaryotes requires the coordinated action of many proteins. Which protein is responsible for recruitment of splicing factors to the CTD of RNA Polymerase?
Compute confidence interval with unknown mean : Male runners follow a normal distribution with unknown mean u and standard deviation o = 5 kg. You compute 95% confidence interval for u. What is the 95% confidence interval for u?
How do you guess the interviewed will answer : Keeping all else constant, their answer would likely differ. How do you guess the interviewed will answer? Does the difference in response matters? I
Result is a sample size : Assume that the result is a sample size beyond what you can obtain. Use the compromise function to compute alpha and beta for a sample half the size. Indicate the resulting alpha and beta. Present an argument that your study is worth doing with the s..
Which chromatin components are not retained : The classic "beads-on-a-string" structure is the most decondensed chromatin structure possible and is produced experimentally. Which chromatin components are not retained when this structure is generated? Explain.
Computing depreciation expense for second year : Schager Company purchased a computer system on January 1, 2006, at a cash cost of $25,000. The estimated useful life is 10 years, and the estimated residual value is $3,000. The company will use the declining-balance method based on a 200 percent ..
How should you now be willing to spend for a appointment : The physician's office charges you a nonrefundable fee of $50 for the missed appointment, which cannot be applied to a future appointment. How much should you now be willing to spend for a new appointment? $50 $120 $0
International receivables turnover ratio : Beverage International reports net credit sales for the year of $240,000. The company balance of accounts receivable at the beginning of the year equaled $20,000 and the balance at the end of the year equals $30,000. What is Beverage International..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Hypothesis testing-consumption of saturated fats

Consumption of Saturated Fat: A nutritionist claims that the proportion of females who consume too much saturated fat is lower than the proportion of males who consume too much saturated fat.

  Finding meaning of coefficient of determination

Find out the coefficient of determination, r 2 , and interpret its meaning.

  Suspecting the tax payer

If the average tax payer who makes $140,000 per year owes the government $18,200 with a standard deviation of $1500, and the IRS receives a 1040 tax documents from a customer who earned $140,000 that claims he only owes $12,000, should the IRS sus..

  Determine the credit score values

The credit score of a 35 year old applying for a mortgage at Ulysses Mortgage Associates is normally distributed with a mean of 600 and a standard deviation of 100.

  Find probability that not single customer arrived in minute

ATM center in Mumbai is random with an average rate of 1.3 customer per min. Assume the arrival follows a Poisson distribution, calculate the probability that: Not a single customer arrived in a minute.

  Probability that selected group of shoppers spend more

What is the probability that a randomly selected group of 50 shoppers will spend a total of more than $5700? The total will be more than $5700 when the sample average exceeds what value?

  Probability based on binomial distribution

Angela works as a quality supervisor. She has uncovered a quality issue with safety brackets on baby swings. Angela determines that 21% of the safety brackets are out of spec.

  Evaluating confidence interval

In random, independent samples of 250 adults and 375 teenagers who watched a certain television show, 147 adults and 228 teens indicated that they liked the show.

  Least squares method to find regression coefficients

Supposing a linear relationship, use the least squares method to find the regression coefficients b 0  and b 1 .

  Point estimate of the population mean

The 2006 General Social Survey asked, "what do you think is the ideal number of children for a family to have?" The 1097 females who responded had a median of 2, mean of 3.16, and a standard deviation of 1.91.

  Explain the relationship between the hours

Interpret a scatter diagram - Explain the relationship between the hours each student of a school spends in after school jobs each week and their grade average.

  Advantage of the repeated measures anova

One advantage of the repeated measures ANOVA is that it eliminates "individual differences" as a source of variability. Explain why there are no individual differences in the numerator and in the denominator of the F ratio.

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