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To test the claim using Chi-Square test for independence
A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each location. Research question: At α = .05, does vehicle type vary by mall location?
Vehicle Type
Somerset
Oakland
Great Lakes
Jamestown
Row Total
Car
44
49
36
64
193
Minivan
21
15
18
13
67
Full-sized Van
2
3
10
SUV
19
27
26
12
84
Truck
14
6
17
9
46
Col Total
100
400
To determine whether there exists mean difference among the groups:
For the mold described in (g), can you find the probability that it's COST value will exceed $150,000? If yes, obtain this probability. If no, why not?
Make for more scatter plots comparing GDP growth 1970-2000 to corruption, political rights, rule of law, and socio-political instability
Rank the funds by using this alternative measure of risk. Which, if any outperformed the market on the risk-adjusted basis.
Conduct post hoc comparisons with the LSD method. Which groups differ significantly at α = 0.05?
Interpret this data using regression and interpret all the findings, R 2 , F, IV coefficient, and the intercept.
The Wilcoxon signed rank test is computed for the data and gives a value W + = 161.5. Using the Normal approximation (without the continuity correction) the P-value.
The summation sign is usually represented by:
Find the probability of exactly 6 Mexican-Americans among 12 jurors.
Create the 90% confidence interval for mean score of all such subjects. You may suppose scores are usually distributed.
Using part(a), explain to investor differences between distribution of performance figures for the 2 kinds of stock funds.
Make up a scatter diagram with 10 dots for each of the following situations:
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