For each of the following data sets (a) graph the data, (b) compute the measures of central tendency, and (c) compute the measures of variability. a. 10 exam scores: 8; 6; 4; 3; 9; 5; 7; 8; 5; 5 b. 15...

For each of the following data sets (a) graph the data, (b) compute the measures of central tendency, and (c) compute the measures of variability.

a. 10 exam scores: 8; 6; 4; 3; 9; 5; 7; 8; 5; 5

b. 15 IQ scores: 104; 121; 91; 107; 81; 96; 100; 96; 102; 11; 87; 101; 91; 114; 111

Draw each of the following: a positively skewed curve, a negatively skewed curve, and a symmetrical curve.