Calculus and Above

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Confidence level 99%; n = 17; σ is unknown; population
Confidence level 99%; n = 17; σ is unknown; population appears to be normally distributed.… read more
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Solve the problem. For large numbers of degrees of​ freedom,
Solve the problem. For large numbers of degrees of​ freedom, the critical values can be approximated using the formula ​, where k is the number of degrees of freedom and z is the critical value. To fi… read more
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A shipment of small lab mice arrives at an animal care
A shipment of small lab mice arrives at an animal care facility with a nominal weight of 10 g per mouse. The technician wishes to test the hypothesis that the average weight of the mice matches the no… read more
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How does this work? and how much does this cost. Statistics
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In an independent samples t-test with groups of 28 and 25,
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When performing a rank correlation test, one alternative to
When performing a rank correlation test, one alternative to using the Critical Values of Spearman's Rank Correlation Coefficient table to find critical values is to compute them using this approximati… read more
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I need help with statistic problems. There are about 25 questions.
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You decide to conduct a survey of a sample of 25 members of
You decide to conduct a survey of a sample of 25 members of this year's graduating class and find that the average GPA is 3.2. The standard deviation of the sample is 0.4. Over the last ten years, the… read more
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Conduct a two-tailed hypothesis test given the information
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For Ryan, Hello Ryan I was hoping you could assist me with
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E = 1.993943 9/√72=2.114896. Can you breakdown how you arrived
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1.A coin operated drink machine was designed to discharge a
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The historical reports from two major networks showed that
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A recent study at a local college claimed that the proportion,
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1. A regional commuter airline selected a random sample of
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find critical value(s) for the indicated t-test, level of significance
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