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week 10 assignments
A. Use the Internet or Strayer Library to research articles on hypothesis test and its application in business. Select one (1) company or organization which utilized hypothesis test technique for its business process (e.g., whether or not providing flexible work hours improve employee productivity.) Give your opinion as to whether or not the utilization of such a technique improved business process for the selected company or organization. Justify your response.
B. Determine the top-three (3) concepts or skills you learned in this course that you believe will be the most useful to you in your present or future professional career or education. Provide at least one (1) specific example to support your response. Provide a rationale as to why the three (3) aforementioned concepts or skills are important to someone in the field of business statistics.
C. Suppose that there are two (2) candidates (i.e., Jones and Johns) in the upcoming presidential election. Sara notes that she has discussed the presidential election candidates with 15 friends, and 10 said that they are voting for candidate Jones. Sara is therefore convinced that candidate Jones will win the election because Jones gets more than 50% of votes. Answer the following questions in the space provided below:
- Based on what you now know about statistical inference, is Sara’s conclusion a logical conclusion? Why or why not?
- How many friend samples Sara should have in order to draw the conclusion with 95% confidence interval? Why?
- How would you explain your conclusion to Sara without using any statistical jargon? Why?
