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What are the advantages of ANOVA over the mean test and what are the disadvantages? Where would I use this in my everyday life?
What are the major distinction between a paired T test and the standard two mean hypthesis test? Where would you use a paired T test in my work life or everyday life?
What are the major differences between the single mean hypothesis test and where would someone normally look at comparing two means? Where would I use a two mean test in my everyday life and work life?
Use the population standard deviation along with the sample mean, S, and find a 92% confidence interval for the population mean. Is the true population mean contained in this interval?
ANOVA is a powerful statistical test. How does ANOVA differ from other parametric tests? What are the conditions that must be met to use a one-way ANOVA?
How large should n be so that the standard deviation of is no more than 0.01 and sampling distribution
Create a mixed integer programming model for this problem.
What is the probability that a randomly selected cell phone bill is more than $67.75?
The personnel manager at a company wants to investigate job satisfaction among the female employees. One evening after a meeting, she talks to all 30 female employees who attended the meeting.
Comment on your statistical findings? Do you agree with your initial statement regarding the preference of an ANOVA over a t-test when examining more than two groups?
The probability that a parolee will commit a crime while on parole is 0.68. A parole officer is in charge of 8 parolees. What is the probability that at least 7 of them will commit a crime while on parole?
Create a histogram over five class intervals.
A statistical analysis of 1,000 long-distance calls made from the headquarters of the Bricks and Clicks Computer Corporation indicates that the length of these calls is normally distributed with μ = 240 seconds and σ = 40 seconds.
Suppose that you wish to perform a nonparametric test for a difference among the medians of three or more independent populations. Which of these tests would be appropriate?
In a random sample of 53 concrete specimens, the average porosity (in percent) was 21.6 and the standard deviation was 3.2. a) Find a 90% confidence interval for the mean porosity of specimens of this type of concrete.
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