A psychology experiment measures the reaction times of sleep-deprived volunteers, yielding a total of 530 observed...
A psychology experiment measures the reaction times of sleep-deprived volunteers, yielding a total of 530 observed measurements. In the histogram summarizing these results, the bin from 240msec to 265msec has a corresponding height of 0.00302. How many observed x-values were between 240msec and 265msec?
Homework Answers
The bin from 240msec to 265msec has a corresponding height of 0.00302
That is the relative frequency is 0.00302
Therefore the class frequency is 530*0.00302=1.6002
Hence approximately two observed values were between 240msec and 265msec.
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