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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago, 4 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
4.13 An experiment to study the lifetime (in hours) for a certain type of component involved putting 10 compo- nents into operation and observing them for 100 hr. Eight of the components failed during that period, and those lifetimes were recorded. The lifetimes of the two compo- nents still functioning after 100 hr are recorded as 100+. The resulting sample observations were
48Â Â Â 79Â Â Â 100+Â Â 35Â Â Â 92Â Â Â 86Â Â Â 57Â Â Â 100+Â Â 17Â Â Â Â 29
Which of the measures of center discussed in this sec- tion can be calculated, and what are the values of those measures?
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4.14  An instructor has graded 19 exam papers submitted by students in a class of 20 students, and the average  so far is 70. (The maximum possible score is 100.) How high would the score on the last paper have to be to raise the class average by 1 point? By 2 points?
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