Question
Using the R language and looking at the below car dataset, I need help with these multiple choice questions. year model price mileage color transmission
Using the R language and looking at the below car dataset, I need help with these multiple choice questions.
year model price mileage color transmission 2011 SEL 21992 7413 Yellow AUTO 2011 SEL 20995 10926 Gray AUTO 2011 SEL 19995 7351 Silver AUTO 2011 SEL 17809 11613 Gray AUTO 2012 SE 17500 8367 White AUTO 2010 SEL 17495 25125 Silver AUTO 2011 SEL 17000 27393 Blue AUTO 2010 SEL 16995 21026 Silver AUTO 2011 SES 16995 32655 Silver AUTO 2010 SES 16995 36116 Silver AUTO 2010 SES 16995 40539 Black AUTO 2011 SES 16992 9199 Silver AUTO 2011 SEL 16950 9388 Green AUTO 2010 SES 16950 32058 Red AUTO 2011 SE 16000 15367 White AUTO 2011 SES 15999 16368 Blue AUTO 2010 SEL 15999 19926 Silver AUTO 2010 SES 15995 36049 Silver AUTO 2011 SEL 15992 11662 Blue AUTO 2011 SEL 15992 32069 Silver AUTO 2010 SES 15988 16035 Silver MANUAL 2010 SEL 15980 39943 White AUTO 2011 SE 15899 36685 Silver AUTO 2010 SEL 15889 24920 Black AUTO 2009 SEL 15688 20019 Blue AUTO 2010 SE 15500 29338 Blue AUTO 2010 SE 15499 7784 Black AUTO 2010 SE 15499 35636 Black AUTO 2010 SES 15298 22029 Gray AUTO 2009 SEL 14999 33107 Silver AUTO 2010 SES 14999 36306 Red AUTO 2009 SE 14995 34419 Black MANUAL 2011 SE 14992 4867 Black AUTO 2011 SEL 14992 18948 Black AUTO 2009 SES 14992 24030 Red AUTO 2010 SEL 14990 33036 Black AUTO 2011 SE 14989 23967 White AUTO 2010 SE 14906 37905 Silver AUTO 2010 SE 14900 28955 White AUTO 2010 SE 14893 11165 White AUTO 2010 SES 14761 44813 Black AUTO 2010 SES 14699 36469 Gray AUTO 2010 SES 14677 22143 Black MANUAL 2009 SES 14549 34046 Silver AUTO 2010 SE 14499 32703 Red AUTO 2010 SES 14495 35894 Silver AUTO 2010 SE 14495 38275 Black AUTO 2010 SE 14480 24855 Blue AUTO 2009 SEL 14477 29501 Gray MANUAL 2009 SEL 14355 35394 Red AUTO 2010 SE 14299 36447 Black AUTO 2010 SES 14275 35318 Black AUTO 2010 SES 14000 24929 Silver AUTO 2009 SE 13999 23785 Red AUTO 2010 SE 13997 15167 Black MANUAL 2010 SE 13995 13541 Silver AUTO 2010 SE 13995 20278 Black MANUAL 2009 SES 13995 46126 Black AUTO 2009 SES 13995 53733 Silver AUTO 2009 SES 13992 21108 Silver AUTO 2010 SE 13992 21721 Green AUTO 2010 SES 13992 26716 Gray MANUAL 2009 SES 13992 26887 Black AUTO 2009 SE 13991 36252 Silver MANUAL 2009 SE 13950 9450 Black AUTO 2010 SE 13950 31414 Black AUTO 2010 SE 13950 37185 Blue AUTO 2010 SE 13895 48174 Gray AUTO 2009 SE 13888 50533 White AUTO 2009 SE 13845 36713 Blue AUTO 2009 SES 13799 34888 Black AUTO 2009 SES 13742 38380 Black AUTO 2010 SEL 13687 35574 Gray AUTO 2009 SEL 13663 27528 Silver AUTO 2010 SES 13599 33302 Red AUTO 2009 SEL 13584 43369 Red AUTO 2009 SES 13425 64055 Black AUTO 2010 SE 13384 41342 Gray AUTO 2010 SE 13383 34503 Black AUTO 2010 SE 13350 16573 Blue AUTO 2009 SES 12999 32403 Blue AUTO 2009 SE 12998 34846 Blue AUTO 2007 SE 12997 39665 Red AUTO 2010 SE 12995 21325 Black AUTO 2010 SE 12995 32743 Black MANUAL 2010 SE 12995 40058 White MANUAL 2009 SE 12995 42325 Blue AUTO 2009 SE 12995 44518 Red AUTO 2009 SE 12995 53902 Gray AUTO 2008 SE 12995 127327 Red AUTO 2009 SE 12992 27136 Gray AUTO 2009 SES 12990 45813 Silver AUTO 2009 SE 12988 31538 Gray AUTO 2010 SE 12849 29517 Silver AUTO 2010 SE 12780 35871 Black AUTO 2008 SE 12777 49787 Black MANUAL 2008 SES 12704 36323 Blue AUTO 2009 SES 12595 39211 Blue AUTO 2009 SE 12507 44789 Gray AUTO 2008 SE 12500 45996 White MANUAL 2009 SE 12500 54988 White MANUAL 2009 SE 12280 29288 Red AUTO 2009 SE 11999 36124 Blue AUTO 2009 SE 11992 32559 Black MANUAL 2009 SES 11984 59048 Black AUTO 2009 SE 11980 55170 Red AUTO 2010 SE 11792 39722 Green AUTO 2008 SE 11754 38286 Black AUTO 2008 SES 11749 57341 Red AUTO 2008 SES 11495 82221 Silver AUTO 2008 SE 11450 85229 Red MANUAL 2009 SES 10995 42834 Red AUTO 2005 SES 10995 69415 Blue AUTO 2009 SEL 10995 78264 Gray AUTO 2009 SE 10979 60709 Red AUTO 2008 SE 10955 39643 Gray AUTO 2009 SE 10955 40180 Gold AUTO 2008 SE 10836 40330 Green MANUAL 2007 SES 10815 77231 Red AUTO 2007 SE 10770 72937 Silver MANUAL 2010 SE 10717 64199 Black AUTO 2007 SES 10000 63926 Red AUTO 2007 SES 9999 74427 Silver AUTO 2007 SES 9999 78948 Black MANUAL 2006 SE 9995 51311 Silver AUTO 2008 SE 9995 95364 White AUTO 2008 SE 9992 74109 White AUTO 2007 SE 9651 63296 Blue AUTO 2007 SES 9000 80605 Red AUTO 2006 SE 8999 49656 Silver AUTO 2007 SE 8996 48652 Silver MANUAL 2006 SE 8800 71331 White AUTO 2008 SE 8495 106171 Black AUTO 2008 SE 8494 68901 Silver AUTO 2009 SE 8480 70036 White MANUAL 2007 SES 7999 81596 Yellow MANUAL 2006 SES 7995 35000 Black MANUAL 2006 SES 7995 97987 Red AUTO 2003 SES 7900 96000 White AUTO 2005 SES 7488 59013 Red AUTO 2004 SE 6999 105714 Silver AUTO 2007 SE 6995 86862 White AUTO 2000 SE 6980 60161 Green AUTO 2004 SES 6980 101130 Gray AUTO 2004 SES 6950 119720 Black AUTO 2006 SES 6200 95000 Silver AUTO 2002 SE 5995 87003 Red AUTO 2000 SE 5980 96841 Red AUTO 2001 SE 4899 151479 Yellow AUTO 2000 SE 3800 109259 Red AUTO
What is the most frequent used car color in the usedcars dataset?
Group of answer choices
Black
Gray
Silver
Yellow
In the usedcars dataset, the mode for year is greater than the mean for year AND the median for year is equal to the mean of year. (round the numbers to whole years). Group of answer choices
True
False
Draw a scatterplot of Price vs. Year in the usedcars dataset. Is there a tendency for the price to increase with the year? (True=Yes, False=No) Group of answer choices
True
False
In the usedcars dataset, there is a statistically significant difference between the mean of the price for conservative colors( black,gray,silver, or white ) vs non-conservative colors.(suppose that the significance level is (alpha=0.05) Group of answer choices
True
False
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