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A researcher wants to know if there is a relationship between a person's highest level of education (IV) and differences in life satisfaction (DV). She places her subjects into three samples (less than a high school degree, high school graduate, some college or college degree). She creates a life satisfaction survey using a 4-point ordinal scale.
Would the Kruskal-Wallis be an appropriate statistical procedure to test this RQ? Please explain your answer.
A random sample of 10 miniature Tootsie Rolls was taken from a bag. Each piece was weighed on a very accurate scale. The results in grams were:
The histograms of some sampling distributions are symmetrical. T-F What would make a histogram symmetrical, and give an example of a symmetrical distribution? A random sample of size 36 is to be selected from a population that has a mean μ = 50 an..
X is a continuous random variable uniformly distributed on [20, 45] that is, the end points c = 20 and d = 45.
Consider a random sample of six families who are asked if their children have an influence on their vacation destination.
Michelle is a counselor at the local crisis center. She wishes to determine if there is a relationship between the gender of an individual and the amount of alcohol consumed.
In which category is ANOVA properly classified?
Each F-distribution is identified by two numbers of degrees of freedom, one for each of the two samples involved.
Describe different methods of establishing correlation between variables and provide an example of each. Discuss the advantages and disadvantages of each method and where each must be applied.
Perform a chi-square test on the following data:
Utilizing the chart parameters developed above to define the control charts for future candy bar production, Compute the appropriate plotting points from the data.
What is the probability that the cereal would be high calorie? In other words, what is P (high calorie)?
Suppose sps professors have an average life normally distributed of 82 years, with a population standard deviation of 5 years.
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