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by: Lennie White PhD

ProbabilityandStatistics MATH80

Lennie White PhD

GPA 3.51


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Class Notes
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This 2 page Class Notes was uploaded by Lennie White PhD on Monday October 5, 2015. The Class Notes belongs to MATH80 at City College of San Francisco taught by DanielSmith in Fall. Since its upload, it has received 36 views. For similar materials see /class/219510/math80-city-college-of-san-francisco in Mathematics (M) at City College of San Francisco.


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Date Created: 10/05/15
SECTION 12 and 13 EXAMPLES Example 1 50 xmdamlyselemea US hausehnlds waesurveyed a deemme haw many 5th sum each a The Sam ane ranks axe llsued baluw 1 1 1 7 5 9 9 4 7 4 9 7 1 5 7 1 9 5 7 7 9 1 1 4 9 7 7 7 7 9 0 9 1 7 1 7 9 1 1 9 9 2 1 2 1 1 9 1 5 1 Example 95 xandumly selected 1877A yea 519 U 5 males wae surveyed 15 aeummhe Lhax wag m pounds The hams axe Llsmd balaw 1202 1559 2151 1525 1525 1552 1700 1519 1575 1555 1579 1510 1757 1550 1725 1011 1507 1570 1797 1752 1517 1701 1555 2155 1957 2755 1755 1557 1911 1555 1555 2001 1755 1520 1795 Example 9 Theseus eamed by A0 5559mm uh an exam axe heed balaw 70 6A 00 55 6A 50 57 55 52 95 57 70 50 50 51 00 55 05 57 59 A7 50 55 51 50 95 51 95 59 55 55 70 59 70 shapes cf Distributions SECTION 22 EXAMPLES Example 1 In a frog race with ten frogs three frogs strayed away For the remaining frogs that completed the race the following times in seconds were recorded 185 200 140 145 245 580 and 600 Choose an appropriate measure of central tendancy for the time to complete the race by the ten frogs and nd its value Example 2 Suppose you are a retailer of sportswear and have data available on sizes of jackets sold during this scal year If you are interested in replenishing your stocks for the next year what measure of central tendency would be of greatest use to you Example 3 The net income in millions of dollars of seven companies in the rst quarter of 1993 was reported as follows Merck 614 Bankam erica 484 Sears 435 United Technologies 64 Delta 7134 IBM 7 285 ATampT 75 644 Compute a measure of central tendancy that would be most appropriate for this type of data and justify your answer


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