WrittenAssignment5_MAT-105_RaymondMilek

# WrittenAssignment5_MAT-105_RaymondMilek - 1 Name Raymond...

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1 Name: Raymond Milek Student ID: 0483682 Thomas Edison State College Applied Liberal Arts Mathematics (MAT-105) Section no.: 13.5-13.6; 8.1-8.2, 8.4; 9.3-9.4 Semester and year: October, 2011 Semester Written Assignment 5 Section 13.5 12. Determine the mean, median, mode, and midrange of the set of data. Round your answer to the nearest tenth. 10, 8, 11, 11, 11, 13, 15 10+8+11+11+11+13+15= 69/7= 9.85= 9.9 8+15= 23/2= Answer: mean= 9.85 = 9.9 median= 11 mode= 11 midrange= 11.5 22. Daily Commission The amount of money Steve Kilner collected in sales commission in each of seven days is \$48, \$67, \$51, \$25, \$102, \$61, \$80. Determine the mean, median, mode, and midrange. \$48, \$67, \$51, \$25, \$102, \$61, \$80= 434/7= 62 25+102= 127/2= 63.5 Answer: mean= \$62 median= \$61 mode= no mode midrange= \$63.5 30. Exam Average Malcolm Sander’s mean average on five exams is 81. Determine the sum of his scores. 81x5= 405/5= 81 Answer: sum= 405 36. Determining a Necessary Grade A mean average of 80 or greater for five exams is needed for a final grade of B. Jorge Rivera’s first four exam grades are 73, 69, 85, and 80. What grade does Jorge need on the fifth exam to get a B in the course? 73+69+85+80= 307 80x5= 400 400-307=93 Answer: Jorge must score at least a 93 .

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2 Section 13.6 10. Without actually doing the calculations, decide which, if either, of the following two sets of data will have the greater standard deviation. Explain why. 10, 13, 14, 15, 17, 21
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## This note was uploaded on 03/18/2012 for the course MAT 105 taught by Professor Dilling during the Spring '12 term at Thomas Edison State.

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WrittenAssignment5_MAT-105_RaymondMilek - 1 Name Raymond...

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