Mathematics, 27.01.2020 22:31 Karxra
Given the data 112, 115, 109, 104, 108, and 112, the mean is 110 and the standard deviation is 3.5. is the data distributed normally?
a.)
yes, 100% of the data falls within one standard deviation of the mean.
b.)no, 100% of the data falls within one standard deviation of the mean.
c.)no, 100% of the data falls within two standard deviations of the mean.
d.)yes, 99.7% of the data falls within three standard deviation of the mean.
Answers: 2
Mathematics, 21.06.2019 17:20
Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?
Answers: 2
Mathematics, 22.06.2019 01:00
Hich polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 – 2m6 + 5m2n4 – m3n3 + n6 – 4m6 + 9m2n4 – mn5 – 4m3n3
Answers: 3
Given the data 112, 115, 109, 104, 108, and 112, the mean is 110 and the standard deviation is 3.5....
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