Examlex
YouTube would like to test the hypothesis that the standard deviation for the length of an online video watched by a user is more than 2 minutes. A random sample of 21 people who watched online videos was selected. The sample standard deviation for the length of the video was found to be 2.5 minutes. The degrees of freedom for this hypothesis test would be _______.
Bulimia Nervosa
An eating disorder characterized by binge eating followed by purging, exercising, or other methods to prevent weight gain.
Laxatives
Substances that are used to stimulate bowel movements or alleviate constipation, often by softening the stool or increasing its bulk.
Binge Eating
A disorder characterized by recurrent episodes of eating large quantities of food, often quickly and to the point of discomfort.
Excessively Muscular
Describes a physical state characterized by an unusually large amount of muscle mass, beyond what is considered typical or necessary.
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