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How do the gas prices in Illinois compare to the rest of the country? Open Statcrunch and click “Explore” then “Data”. Find the Data entitled “Gas Prices – U.S. v IL” Link Create and interpret a 95% confidence interval for the difference in the gas prices in the US and Illinois using PANIC

The following boxplot, histogram and summary statistics were found using Statcrunch. The data set gives length in inches of men’s legs. Use the graph and statistics to analyze the data set and answer the following questions. d) What is the Numerical Value of the Best measure of Center?  (do not round)

Data was collected favorite ice cream flavors.  People had to choose from Strawberry, Vanilla or Chocolate.  The results of the survey are as follows. Strawberry Vanilla Chocolate 22 27 35 Test the claim that there are an equal proportion of people who prefer each flavor using a 5% significance level using Phantoms.  

In a 2018 fueleconomy.gov collected data on all 2018 vehicles below is small snapshot of some of that data, it shows summary statistics for the average city MPG’s. Test the claim that General Motors vehicles have a higher average city MPG’s than Ford Motor Company at the 5% significance level using PHANTOMS.   Mfr Name n Mean Std. dev. Ford Motor Company 132 19.075758 4.6783915 General Motors 171 19.859649 5.2168458    

You wish to know which social media platform is most used among the COC students. You cannot ask every student so you decide to take a sample. Explain how you would get your sample using each of the following sampling methods. Also indicate if your method would represent the population and clearly explain why or why not. a) Cluster Sample

You wish to know which social media platform is most used among the COC students. You cannot ask every student so you decide to take a sample. Explain how you would get your sample using each of the following sampling methods. Also indicate if your method would represent the population and clearly explain why or why not. b) Voluntary Response Sample

Open the data called “Seattle Monthly Rain Gauge Accumulations (2003-2017). This data measures the average monthly accumulation of rainwater measured in inches from various Rain Gauges that are placed throughout the city. Let’s compare Rain Gauge 1 to Rain Gauge 2. Test the claim that there is no difference in the average water accumulation from RG01 and RG02 at the 10% significance level using full PHANTOMS. (This problem is worth 20 points) Link

According to the United States Education Department in 2012,  20% of college students changed their major once, 10% changed their major more than once and 70% never changes their major. You want to check to see if the students here in California behave similarly to rest of the students nationwide. You take a random sample of 100 recent Californian graduates and find that 24 said they changed their major once, 16 said they changed their major more than once and the remaining students claimed they never changed their major. Use PHANTOMS to test the claim that the California students change their major in the same proportion as the students nationwide at a 5% significance level.

In a recent survey of 100 Millennials and 100 Gen X’s it was found that 78 Millennials had cable TV and 84 of the Gen X’s had cable TV. Is this evidence that Gen X’s are more likely to have cable? Test the claim that Gen X’s is more likely to have cable at the 5% significance level using PHANTOMS. (This problem is worth 20 points)

According to the situational approach, what two employee factors should a supervisor consider when choosing appropriate leader behaviors? Explain these factors and how they shape followers’ developmental levels.