Corrections to Witte & Witte's 6th Edition of Statistics 

• Page 145, Table 9.3: The answer for r should be 0.80, not 80.
• Pages 297 and 298: The formulas for the sample standard deviation should have the square root extended over the denominator as well as the numerator.
• Page 497: The given answers to Exercise 5.1 are all $30,000 less than the correct answers.  The correct answers should read as follows.

            5.1   (a) $65,000 to $75,000
                    (b) $60,000
                    (c) $80,000
                    (d) $68,000 to $72,000; $66,000; $74,000