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1) What are three lessons learned relative ANOVA and Nonparametric tests?
2) What concepts and analytic tools will you be able to use in your workplace?
The calculated chi-square test statistic and the table value for a 0.05 significance level are:
Workers at a large toxic clean up project are concerned that their white blood cell counts may have been reduced. Let x be a random variable that represents white blood cell count per cubic millimeter of whole blood in a healthy adult.
Do these simulated data provide evidence for us to conclude that a difference in the spinal canal cross sectional area exist between the population of subjects with disc hernination and a population of those who do not have disc hernation?
A regression model between sales (Y in $1,000), unit price (X 1 in dollars) and television advertisement (X 2 in dollars) resulted in the following function: = 7 - 3X1 + 5X 2 For this model SSR = 3500, SSE = 1500, and the sample size is 18...
Using the 0.01 significance level, can we conclude that there is a positive correlation between the variables?
Assume gasoline prices for a region are normally distributed. Do the data you obtained provide enough evidence to reject the claim? Use a 1% level of signi?cance.
Compute the median number of dependents?
Explain the difference between multiple independent variables and multiple levels of independent variables. Which is better?
Based on this information, confidence level would be 90% that population mean is somewhere between?
Not take SRS of 25 students who took test. What are the mean and standard deviation of sample mean score xbar of these 25 students?
If the null hypothesis is true, then how much difference should be expected, on average, between the two sample means?
Determine and plot the probability mass function and probability distribution function of the contract award amount (in millions of dollars).
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