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"You are running a chi-squared test. If you have 5 groups with 3 characteristics each, what would your critical value be with an alpha of .25? a . Between 0 and 3.0
A. Between 3.1 and 6.0
B. Between 6.1 and 8.0
C. Between 8.1 and 10
D. above 10
Suppose that a car rental agency offers insurance for a week that will cost $10 per day. A minor fender bender will cost $1,200 while a major accident might cost 10,000.
Establish an approximate design to MTBF required for a system that will result in an approximate minimum total cost over a five year period if the system is to be operated 7500 hours per year
Choose a person aged 19 to 25 years at random and ask, "how many times have you worked out in the past?" Call the response X for short.
Two popular over-the-counter antacids are compared to determine which brand is preferred. Three hundred subjects are randomly selected then divided into two groups of 150 each, and given one of the two antacids.
What is the difference between expected value and mean? In other words, what would be difference between the expected value of something, as opposed to the mean of that something? And how do I know when I should be finding the expected value and n..
Use differential calculus to find both sales volume at which revenue is maximised and the maximum revenue available from sales of product X.
Give a work example and perform a hypothetical 2 population hypothesis test. Create a scenario and do a hypothesis testing example for ANOVA. Give the result and explain what it means.
The sample size n, the sample means, and the sample standard deviations for the two groups are given
The concentration of glucose(mg/dl) for all samples was measured on one run of a spectrophotometer 1. give the statistical model and full explain each component.
Test the hypothesis that no difference exists between the groups at α = .05 and perform and report all related tests and statistics.
Promotion occurs on average every 10 days in a large corporation. What is the probability that the next promotion will occur within:
Use value you found in part a to find out degree of confidence for interval 65.65
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