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The box plots below show the real estate values of single values of single family homes in two neighboring cities, in thousands of dollars.
Real estate values in neighboring communitiesCommunity
Tiny town 60 85 110
Big Burg 45 85 110
20 40 60 80 100 120 14045 85 110Real estate values (thousands of dollars)
Give your answer as one of the following (a) TinyTown; (b) BigBurg; (c) Both cities have the same value requested; (d) It is impossible to tell using only the given information.
1. Which city has greater variability in real estate values?
2. Which city has the greater percentage of households with values $85,000 and over?
3. Which city has a greater percentage of homes with real estate values between $55,000 and $85,000?
You calculate the difference in income as (after incentive plan - before incentive plan). You want to test whether income after the incentive plan is different from income before the incentive plan. What are the hypotheses for this test?
In classical hypothesis testing, test statistic is to critical value what the?
Test the proportions of yellow fire trucks have a significantly lower accident rate.
Please give an example on higher wages vs. education level using a sample population of 30 men and women. Compute the measures of central tendency, dispersion, and skew for your data
Find the asymptotic distribution of the MLE of the indicated parameter and find formulas for approximate standard errors of the MLE.
P-value to test hypotheses,
CCI is unable to adjust the mean of the filling process. However, it is able to adjust the standard deviation of the filling process.
The casino game craps is based on rolling two dice. Here is the assignment of probabilities to the sum of numbers on the up face when two dice are rolled:
Which of the following is true about a 95% confidence interval of the mean of a given sample:
At the 5% level of significance, does this result support the conjecture?
At the .05 significance level, can we conclude that the guideline is still reasonable?
Construct a 95% confidence interval for the difference in the proportions of women and men who have regular exercise programs.
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