a. Do the results of Exercise 6 agree with the Empirical Rule? Explain. b. Do the results of Exercise 6 agree with Chebychev’s Theorem? Explain. c. Use the frequency distribution in Exercise 4 to...

a. Do the results of Exercise 6 agree with the Empirical Rule? Explain.

b. Do the results of Exercise 6 agree with Chebychev’s Theorem? Explain.

c. Use the frequency distribution in Exercise 4 to estimate the sample mean and sample standard deviation of the data. Do the formulas for grouped data give results that are as accurate as the individual entry formulas? Explain.