Suppose there is an Intro Stats quiz worth 20 points. The mean score is 15.5. 1234 5678910111213l915526 1718192o 3. The median quiz score is 16 points. Interpret this value. 4. The Q, for the quiz...

Extracted text: Suppose there is an Intro Stats quiz worth 20 points. The mean score is 15.5. 1234 5678910111213l915526 1718192o 3. The median quiz score is 16 points. Interpret this value. 4. The Q, for the quiz scores is 15 and the Q, is 18. Calculate and interpret the IQR. IOR =18 -15=3 5. The standard deviation of the quiz scores is 3.1. Interpret this value. 6. If the mear score was 15.5, find Lindsey's z-score and interpret.