Mathematics, 06.09.2019 19:30 DrDre02
Astudy is designed to test the effect of noise levels on the exam performance of students. the researcher gathers 150 male students and 150 female students from the same psychology course and randomly assigns each student to take an exam in a room with one of three noise treatments: no noise, construction noise, and human chatter (talking) noise. what is the blocking variable in this study?
Answers: 2
Mathematics, 21.06.2019 19:30
Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip
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Mathematics, 21.06.2019 20:00
Write the expression as a single natural logarithm. 2 in a - 4 in y
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Mathematics, 21.06.2019 20:30
Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
Astudy is designed to test the effect of noise levels on the exam performance of students. the resea...
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