1) If the 13 scores on an exam were 68, 74, 97, 72, 90, 69, 83, 90, 65, 75, 87, 73, and 77, the mean score would be? BE SURE TO ROUND OFF TO 2 DECIMAL PLACES.

2) What is the median?

3) What is the mode(s)

4) What is the range?

5) What is the interquartile range?

6) If the 7 scores in a sample were 84, 71, 69, 75, 73, 80, and 78, the standard deviation would be? Use the formula below to calculate the standard deviation.

If the 7 scores in a sample were 84, 71, 69, 75, 73, 80, and 78, the standard deviation would be? Use the formula below to calculate the standard deviation. There is an example in the Example of Descriptive Statistics file and in the Handout file (p. 422). s_ NSF(2X? ' N(Nl)