Acomputer software package calculated some numerical summaries of a sample of data. the results are displayed here: se sum of variable n mean mean stdev variance sum squares x ? ? 2.05 10.25 ? 3761.70 ? a. fill in the missing quantities. b. what is the estimate of the mean of the population from which this sample was drawn?

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit