Stats 110a Quiz 2 April 23, 1999

NAME:

For a very large sample of men, age 25-34, the average income was $29,800 and the SD was $14,400.

1) A typical starting salary for a lawyer graduating in the top of his or her class is about $80,000. What is this in standard units?

2) In standard units, a particular person's income is -.54. What is her income?

3) Approximately what percent of men in this age group have incomes in the range $15,400 to $45,200? (Assume that the distribution of income is apprxoimately symmetric.)

4) Again, assuming income distribution is approximately symmetric, about what percentage of men in this age group have incomes over $58600?
 
 

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