What has happened to the total number and average size of farms in the United States since the middle of the 20th century? Answer this question by creating a time series graph of the data from the U.S. Department of Agriculture in the file S02_23.xlsx. Is the observed result consistent with your knowledge of the structural changes within the U.S. farming economy?
Answer to relevant QuestionsIs educational attainment in the United States on the rise? Explore this question by creating time series graphs for each of the variables in the file S02_24.xlsx. Comment on any observed trends in the annual educational ...There is no consistent way of defining an outlier that everyone agrees upon. For example, some people refer to an outlier that is any observation more than three standard deviations from the mean. Other people use the box ...The file S02_35.xlsx contains (fictional) data from a survey of 500 randomly selected households.a. Indicate the type of data for each of the variables included in the survey.b. For each of the categorical variables in the ...Recall that the file Baseball Salaries 2009.xlsx contains data on 818 MLB players as of May 2009. Using this data set, answer the following questions:a. Find the mean and median of the salaries of all shortstops. Are any of ...The file Home Price Index.xlsx contains an index of home prices and a seasonally adjusted (SA) version of this index for several large U.S. cities. It also contains a condo price index for several large cities and a national ...
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