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1) Describe the chi-square test of independence.
2) How is this test different from the chi-square goodness-of-fit test?
3) Are the assumptions underlying each of these tests the same?
4) When presented with nonparametric data how do you know which of these tests to use?
When testing for a difference between the means of a treatment and a placebo group, the computer display below is obtained. using a 0.05 significance level, is there sufficient evidence to support the claim that the treatment group (variable 1) co..
Drawing the standard normal curve and indicating the area representing the probability and
Create raw score predictions on criterion variable for persons with Z scores on predictor value of -2,-1,0,+1,+2.
Based on this information, determinethe probability that specific fare will exceed $15.00?
Dr Johnson wants to know if there is sufficient evidence to conclude that the grade distribution of his class is different than the historical grade distribution. Use a =.05 and .01 and perform a goodness of fit test.
Develop a linear regression model for these data and forecast carpet sales if 30 construction permits for new homes are filed.
how many individuals will I need to sample if I want a 95% margin of error to be no more than 3%, I want to know if the results are significant at = 10%. With the information given.
Find out the upper and lower bounds on average life expectancy of the Canadian women such that at least 90% of all population is included.
A researcher used stepwise regression to create regression models to predict Birthrate (births per 1000) using five predictors:
Calculate a standard error for the sample mean production rate for the new method and what is the standard error of the $1600 estimate?
Find a 95% confidence interval for the difference in the proportion of deaths between the streptokinase and the control group.
Should Katie conduct a between-subject ANOVA or a within-subject ANOVA? Describe your answer.
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