Statistics Homework help

timer Asked: Jan 28th, 2016

Question description

You must insert your answers on a word document, including screenshots of numbers inserted and any charts, graphs, or output, on word document only. Teacher needs to see proof you know where and what numbers to enter on PHStat Excel and answers .

Salary Data.xlsx

1. For each the following variables from the Salary Data Set provide the measures of location and measures of dispersion for the following variables:

  1. Current Salary
  2. Education
  3. Which variable has lesser relative variability?

2. You are the manager of a high-end ladies fashion store. For the past few months you have been gathering data and found that 36% of persons entering the store actually make a purchase. Assume these data follow a Binomial Distribution and use Excel to calculate the following binomial probabilities:

  1. If 17 people enter the store, what is the probability that 8 of them will make a purchase?
  2. What is the probability that at least 5 of the 17 people will make a purchase?

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