BUS 308 Ashford Week 1 Assignment Problems 1.2, 1.17, 3.3 3.22
This work of BUS 308 Week 1 Assignment Problems 1.2, 1.17, 3.3 3.22 shows the solutions to the following points:
1.2 Below we list several variables. Which of these variables are quantitative and which are qualitative?
1.17 Classify each of the following qualitative variables as Ordinal or Nominative. Explain your answers.
3.3 Calculate the mean, median, and mode of each of the following populations of numbers.
3.22 a) Calculate , , and for the expense data. In addition, show that the two different formulas for calculating give same result.
b) Assuming that the distribution of entertainment expense is approximately normally distributed, calculate estimates of tolerance intervals containing 68.26 percent, 95.44 percent, and 99.73 percent of all entertainment expenses by the sales force.
c) If a member of the sales force submits an entertainment expense (dinner cost for four) of $190, should this expense be considered unusually high (and possibly worthy of investigation by the company)? Explain your answer.
d) Compute and interpret the zscore for each of the six entertainment expenses.

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