For the following population of N = 6 scores: 2, 9, 6, 8, 9, 8

(a) Calculate the range and the standard deviation. (Use either definition for the range)
(b) Add 2 points to each score and compute the range and the standard deviation again. Describe how adding a constant to each score influences measures of variability.

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons