A video game company surveys a random sample of 225 of its best customer and finds that the average gamer spends $406 a year on games, with a standard deviation of $26. Another company is also interested in the amount game consumers spend, and surveys a random sample of 250 gamers, over all interest levels, and finds that the average gamer spends $250 a year on games, with a standard deviation of $15. Why is the second survey more believable than the first? A. the size of the sample for the second survey B. the size of the confidence interval for the second survey C. th
C. the likelihood of those in the first survey to lie about the amount they spend D. the lack of randomization in the first survey
either c or d
d
d
colt u both make a gud pair
:)
:l :)
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