Test 1 - test01_s

Test 1 - test01_s - E l ent y St i t cs em ar at s i...

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Elem entary Statistics Fall,2010 Test1 1:30 pm ,SW C D -134 Name: Dr.D.P.Story In stru ctions:(100points) Solve each problem and box in yourfnal answer . (3 pts ea. ) 1. A nsw er each o± the ±ollow ing,none o±the problem show n below requires any calculations. (a) Identi±y the population and the sam ple: W hen 1564 A m erican households w ere surveyed, itwas ±ound that 57% o±them ow ned tw o cars. population:the population o±allAm erican households sam ple: the collection o±1564 A m erican householdssurveyed For the next two questions, identi±y w h eth er th e statem ent d escribes in±erential or de- scrip tive sta tistics. (b) T he average age o±the students i nclass is 22 years. D oes this statem ent describe. .. in±erentialstatistics descriptive statistics (c) From pastfgures,itispredicted that39% o±the registered voters inCali±orniawillvote intheJune primary.Doesthis statem ent describe. For the next two questions,determ ine w hether the data is qu a n tita tive o r qu a lita tive. (d)Thecolors o±autom obiles on a used car lot quantitative qualitative (e) T he num ber o± shirts o± a girl’s soccer team Provide the appropriate to each o± the ±ollow ing. (±) F or the stem -and-lea± plot show n below ,w hat isthemaximum andwhatistheminimum entry? K ey: 11|2 = 11.2 11 02 12 466789 13 01123788 14 34668999 15 011237789 16 22578899 17 05 Themaximum andminim um data entry are.
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Test 1 - test01_s - E l ent y St i t cs em ar at s i...

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