Question: First-year grad students from UNCG took the same Research & Stats Quiz 1 that you took last week. Their scores were 77, 68, 61, 57,

  1. First-year grad students from UNCG took the same Research & Stats Quiz 1 that you took last week. Their scores were 77, 68, 61, 57, 75, 66, 60, 56, 71, 66, 60, 56, 70, 65, 59, and 55.
    1. Find the mode, median, and mean.
    2. Find the variance (s2) and standard deviation (s).
    3. What is the z-score for the raw score of 56?
    4. What are the t-scores for raw scores of 59 and 68?
  2. First-year grad students from App State also took Quiz 1. Their scores were 67, 68, 74, 82, 70, 76, 83, 70, 80, 87, 71, 80, and 89.
    1. Find the mode, median, and mean.
    2. Find the s2 and s.
    3. What are the z-scores for raw scores of 80 and 68?
    4. What is the t-score for the raw score of 68?

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