Mathematics, 06.04.2021 01:00, ImBADatmath8743
An endocrinologist is interested in the effects of depression on the thyroid. It is believed that healthy subjects have a mean thyroxin (a hormone related to thyroid function) level of 7.0 micrograms/100 ml and a standard deviation of 1.6 micrograms/100 ml. The endocrinologist wants to assess whether the mean thyroxin level is different for those with depression. She samples 35 subjects with depression and obtains a sample mean of 7.82 micrograms/100 ml for thyroxin. What null and alternative hypotheses should she test
Answers: 3
Mathematics, 21.06.2019 16:30, bvargas786p7aa8y
What are the sotions to the quadratic equation 9x^2=4
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Mathematics, 21.06.2019 22:00, mosesbrinker
Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point
Answers: 1
An endocrinologist is interested in the effects of depression on the thyroid. It is believed that he...
Mathematics, 18.04.2020 04:30
Mathematics, 18.04.2020 04:30