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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
Illustrate that probability distribution of X satisfies properties of a discrete probability distribution.
Explain this result (including the underlying logic of the computations) to a person who understands hypothesis testing involving a single sample and a known population, but knows nothing about t tests.
Does the overall data support the mayor's claim?
Assume that a decision maker wants to estimate a population proportion with 90% confidence and a margin of error of ±0.03. The decision maker has obtained a pilot sample of 10.
Based on the data, determine the 95 percent confidence interval evaluate for true population mean?
Calculate the value of the chi-square statistic and test whether all regions are statistically the same at 5% and 1% level tests.
Determine the distributions given below represent a probability distribution. Justify your answer.
Find out point estimate and 95% confidence interval for mean family dental expenses of all employees of company.
Use the t-distribution table to find the critical values for the indicated alternative hypothesis, level of significance, a and sample size n1 and n2. Assume that the sample are independent, normal and random. Ha: u1
A large population of metal rods have an average diameter of .943 inches with a standard deviation of .001 inches. The engineering specification for the rods requires that they be between .941 and .944 inches.
Compute the mean, median and mode measures of central tendency for the number of years of work experience. Which measure does the best job of describing central tendency for this variable?
Determine the probability in big class that both sections are covered? Only one section? Neither section? Determine the expected number of sections covered?
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