Math Solutions

[All Steps] Consider table 1, which shows data relating school districts student teacher ratios (STR) to the average test score (ATS) for that district.

Question: Consider table 1, which shows data relating school districts student teacher ratios (STR) to the average test score (ATS) for that district. The table provides the joint distribution for these two discrete variables.

  1. Calculate the probability distribution, mean, and variance of the STR. (1 point)
  2. Calculate the probability distribution, mean, and variance of the ATS. (1 point)
  3. Calculate the covariance and correlation between the STR and ATS. (1 point each)

Price: $2.99
Solution: The downloadable solution consists of 3 pages
Deliverable: Word Document


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