As a sample size gets larger, what happens to the mean and standard deviation?

What is this inequality notation? t is less then or equal to 2

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Select the correct answer from each drop-down menu. the table shows the annual sales revenue for different types of automobiles from three automobile manufacturers. sales revenue (millions of dollars) suv sedan truck marginal total b & b motors 22 15 9 46 pluto cars 25 27 10 62 panther motors 26 34 12 72 marginal total 73 76 31 180 the company with the highest percentage of sales revenue from sedans is . of the annual sales revenue from suvs, the relative frequency of pluto cars is .