Question: Compute the variances of the two random variables whose probability tables are given in Table 7. Relate the sizes of the variances to the spread

Compute the variances of the two random variables whose probability tables are given in Table 7. Relate the sizes of the variances to the spread of the values of the random variables. Table 7 (a) (b) Outcome 2 4 6 8 2 4 16

Table 7 (a) (b) Outcome 2 4 6 8 2 4 16 6 8 Probability .1 .4 .4 .1 .3 .2 .2 .3

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