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Chase and Rhonda are studying for a quiz on vitamins. Over the semester break, Chase started taking several dietary supplements including an antioxidant, a multivitamin, and a B-complex supplement to help improve his energy level and nutrient status. Rhonda has been a vegan (consumes no animal products or by-products) for several months. As they study for their quiz, they explore natural sources of the essential vitamins. Chase believes that Rhonda should be taking a multivitamin supplement because of her vegan lifestyle, but Rhonda believes that Chase is likely overdosing on some of the vitamin supplements. Help them study for their quiz, and answer their questions about the need for vitamins. Chase does not think it is possible to overdose on vitamins. Which water-soluble vitamin could cause problems such as nausea and cramps if consumed in excess?
Type II Error
The error that occurs when a statistical test fails to reject a false null hypothesis.
Type I Error
The incorrect rejection of a true null hypothesis, or "false positive," often denoted by alpha (α).
Statistical Significance
A measure of whether observed data can be considered as not being the result of chance, typically through the use of a p-value.
Dependent-Samples T-Test
A statistical procedure used to compare means from the same group at two different times or under two different conditions.
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