statistics

According to U.S. News & World Report data, in 1995 tuition costs at Indiana University, a public university, were $2,984 per year, while the tuition costs at the University of Evansville, a private university in Indiana, were $11,800 per year. In that same year the average cost of tuition at all public U.S. colleges was $2,208, with a standard deviation of $1,041, and the average cost of tuition at all private U.S. colleges was $10,979.68, with a standard deviation of $4,057.

a. What is the z score for Indiana University?

b. What is the z score for the University of Evansville?

c. Which school was more expensive to attend in 1995, relative to the cost of education in its own category?

I am not sure how to work these.

  1. 👍 0
  2. 👎 0
  3. 👁 288
  1. Z = (score-mean)/SD

    Which one has the highest Z score?

    1. 👍 0
    2. 👎 0

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