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First explain what the Gini coefficient is and what hypothetical Gini values of 0 and 1 mean. Sort the data by the Gini coefficient in 2000 and look at the list of countries. Next describe the distribution of inequality across countries with a histogram and with text. Report the average Gini coefficient in 2000 and the standard deviation for all the countries in the data. Plot a scatter plot of Gini coefficients on GDP growth between 1970 and 2000, where growth is on the X-axis and gini00 is on the Y-axis. To do this, you'll have to create a new variable for this growth rate.
Then, explain the Kuznets hypothesis. What does the theory predict? Next produce a scatterplot using data from the year 2000 to determine whether the evidence in that year is consistent with the theory. (Hint: to produce this graph use the "lowess" command instead of the "scatter" command that we usually use). Does the hypothesis appear to be corroborated by the data? Explain your reasoning fully.
What is the sample space for this process and evaluate the variance of the intelligence scores
The student with the 92 found a grading error on her exam and her correct grade was 95. There were no other grading errors. After correcting this student's paper, the five number summary for the midterm exam will be
Examine the relationship between final grade and the reported hours per week each student said they studied for the course. Do we have evidence that females are being discriminated against?
The null hypothesis is that the distribution of mother's educational level is the same for both treatment groups. The value of the chi-square statistic is 7.422. Evaluate the P-value
Estimate the population mean
All but one of the following statements contain a blunder. Which one does not contain a blunder
Solve the equations using linear algebra
How large should n be so that the standard deviation of is no more than 0.01 and sampling distribution
What is the city mileage standard deviation for this SUV model?
Solve the mean and standard deviation equations
Evaluate the mean wait time and throughput rate
What is the probability that they all hit the target?
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