#1 - How to use Calculator 1. If range is 60, number of class is 6, what is the class width? (Round up to next whole number) class width = = = _______ 2. The data set is 2,4,5,7,10,15, what is sum x and the mean (Average)? (Round to the nearest tenth) x = 2+4+5+7+10+15 = ______ = = __________ (n is how many numbers there are) 3. If IQR is 0.69, find Usual Min and Usual Max? Usual Min = 0.68 - 1.5*IQR = _______ Usual Max = 1.22 + 1.5*IQR =_______ 4. Fill out the table below: = 77.67 58 58 - 77.67 = -19.67 (-19.67)2 = 386.9089 46 77 5. Fill out the table below: xP(x)xP(x)x2x2p(x) 00.10 10.30 20.60 6. If , what is 7. If =5.5, =0.1, n=16, what is a x and x? x = = x = = 8. n = 150, = 6.2, = 1 - 0.99 = 0.01, Z/2 = Z0.005 = 2.575 Find E = z0.005 = ___________ Find 2.2 + E = ____________ Find 2.2 - E = ___________