Math 115 Unit 4 review, Cheat Sheet of Mathematics

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MATH 115 Nari Cre RH Statistics Review Show work. 1. Suppose your six test grades in a course are: 42, 69, 75, 89, 86, 86. Compute your overall grade using the: LVZ ,\04 AIS BUS," od = “47 a) mean b) mode c) median AS ob 60.5 d) Is the mean or median most affected by extreme scores? Why does this occur? ETUC MEAN 1S ApRECTED PA AN EXTREME CLOFE PXCALILE WH CALOUILATE. THE MEAN ALL SCORES AQe ADDETD TOCEIATH {DMD BY - THe MIMO (yr RSS e) What measure do you feel best represents your overall grade? Why? He | MaAN @est REPRESENTS THe OCA GALE ECAVSE 2. Below are final exam scores for a class of 21 students. Find each of the following. Round to the nearest tenth. ¢ (9 \,60, 72, 75, Be 80, 85, 85, 87) 88 88, 89, 90, 90, ale, 28 95, 98, 98, 10d - \BOO a) Mean b) Median c) Mode d) Five-number ee B5.2 BO LP ane pL "Q,' OMe’ 93.5 MralO® 3. Create a box and whiskers plot of the data in #2. Label the five number summary on the graph. Then make an observation based on the percentages associated with the quartile values. ; © Qt RY, @ ; 95 0 nad 15 E yO LY le AGO m we ate ¥725 ly OF STUDEXT Scoke ARE Above 94.5 5 ge at Ce ee do 100 195 ” Super Fit ~SCcReS