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The effect of phosphate supplementation on bone formation was assessed in 6 healthy adult dogs. For each dog, bone formation was measured for a 12-week period of phosphate supplementation as well as for a 12-week control period. Here are the results in percent growth per year:
Dog: 1 2 3 4 5 6
Control: 1.73 3.37 3.59 2.05 1.86 3.6
Phosphate: 8.16 4.58 3.98 5.24 3.04 7.03
A researcher is interested in investigating if phosphate supplementation results in significant increase in growth rate of dogs. Answers must be correct up to three decimal places.
(a) The absolute value of the test statistic is
(b) The p-value of the test is
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The probability that at least 5 children out of 10 in a sample taken from a school may have a blood level that may impair development is?
the data below are the final exam scores of 10 randomly selected statistics students and the number of hours they
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That's a much larger sample than standard sample surveys. In spite, we cannot trust result to give good information about any clearly defined population. Explain why?
test the claim the population of sopmohores college students has a mean grade point average of 2.25 versus a mean grade
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Describe the unique fundamentals of a qualtitative research study, addressing the following:
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