This graph shows the average plasma levels of the hormone ghrelin in 10 normal-weight individuals over the course of 24 hours. Ghrelin, which is primarily manufactured by _______, stimulates the ______ to secrete growth hormone.
Definitions:
Degrees of Freedom
The capacity of different values or numerals that can be designated to a statistical distribution.
α
A symbol often used to denote the probability of making a Type I error in hypothesis testing, representing the significance level.
Level of Significance
The probability threshold in hypothesis testing below which the null hypothesis is rejected, indicating statistical significance.
Type I Error
The mistake of rejecting the null hypothesis when it is actually true, often termed as a "false positive" in hypothesis testing.
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