stat221 sum02 quiz2 - Quwrg(fl Name I 2 v'“I 221 Section...

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Unformatted text preview: Quwrg (fl Name I 2.: v--. '“I 221 ' Section: 94m 22 l—Ol True or False? i 1. x: # CDs that you own is an example of a categorical variable \ I ‘21P Codes. uséi #3 2. x: home zip code Is an example of a numerical variable Dal" Cam \‘i‘:2 Had? wilpv/ _ 4m I I @flc‘m r“ E 3. x = dIstance from home to school is an example of a categorica variable $1 R4. A population is a subset of a sample MPle IS pads (gig ‘ $242 8&4: l: 5. Mary Mortlock is a horrible tyrant and you should never ask her questions. 6. Describe the shape of the following distribution: lQH ‘/\’mg \% g‘wmcdt Mm refit: Suppose I want to find the average GPA of a Cal Poly male student. Not being practical to ask ALL the students I email all the members of one of the C. P. fraternities and ask them what their GPA is. M 7. What is the population? Cal 3:45” I" if"? 6 ”(Kit all?“ o/lhslde/b AlJC- I” ‘l‘ ,. ‘23. ”I." ;.l ‘ 8. What IS the sample? CW 5 ('53. 76:“ 4; III-Hf»; I T T9 \J l :\[ou are Sr?“ ., (3,253)?” .m. ‘I‘~ 4221,, "ii" IQT‘ ‘ \L ShOLMCl ' (ll lcx‘h/“l l’ii S Luau; dl . .. f ”Afiwmfi m» I II @‘(PIICIII-wovhonffllfiere Stray/5,? time mamfi Van/Mick’s ...
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