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To test whether there is significant difference in the mean income using ANOVA.
A real estate developer is considering investing in a shopping mall on the outskirts of Atlanta, Georgia. Three parcels of land are being evaluated. Of particular importance is the income in the area surrounding the proposed mall? A random sample of four families is selected near each proposed mall. Following are the sample results. At the .05 level of significance, can the developer conclude there is a difference in the mean income?
Southwyck Area ($000s):
64
68
70
60
Franklin Park ($000s):
74
71
69
Old Orchard ($000s):
75
80
76
78
What is the level of measurement for the variable, "political ideology" measured as "Very Conservative", "Conservative","Moderate", "Liberal" and "Very Liberal".
Sixty-four students in an introductory college economics class were asked how many credits they had earned in college, and how certain they were about their choice of major.
Compare value of test statistics F obtained in part(2) with value of t 2 , square of test statistic for testing H 0 : β 1 =0 that was needed in test null hypothesis that true slope is 0. Interpret the results of this test.
We are interested in determining whether or not the opinions of the individuals (as to Yes, No, and No Opinion) are uniformly distributed.
Determine the probability that no female are hired. Determine the mean and standard deviation of X.
Using What's Best! (Or solver) find the least-cost matrix.
Utilizing a binominal experiment, that is each trail can be reduced to two outcomes, construct a binomial distribution.
The level of significance indicates the probability of rejecting a false null hypothesis.
What is the likelihood the sample mean is greater than $22.50 but less than $25.00?
Use value you found in part a to find out degree of confidence for interval 65.65
The Kruskal-Wallis rank test is a nonparametric replacement - The Wilcoxon rank sum test tests a null hypothesis
Shows a sample mean of 1,261 with a standard deviation of 59. Should Pennsylvania adopt the new system for all toll roads in the state?
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