Which measure of center and measure of spread would best describe a data set that is skewed to the left or skewed to the right?
a. Mean and Standard Deviation
b. Mode and Range
e Median and Interquartile Range

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%