1.data collected student average grade are 70& 79
2.hours of tv watched in week
0,4,7,12,3,6,,2,1,8,8,15,9,4,5,3,10,11,10,,6,5,7,9,14,20,3,8,4,. 12
(Question)what factor could bias the student study?
2) how could this data(study)be improved?
3) find the mean ,median and mode
4.find the range and standard deviation
5.what range of he hours tv watched is within one standard deviation of the mean ?if this is normal distribution ,what percent of the dara should like on within this range?
6)what can u conclude this data?
7)do u think this data proves or disprove the student study?why
8)have you been given enough information to answer this question?explain
2007-04-20
04:28:35
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3 answers
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asked by
sonuvabitch
2
in
Mathematics