I Two Types of Possible Errors Always Exist When Testing

question 120

Multiple Choice

i. Two types of possible errors always exist when testing hypotheses-a Type I error, in which the null hypothesis is rejected when it should not have been rejected, and a Type II error in which the null hypothesis is not rejected when it should have been rejected. ii. A test statistic is a value determined from sample information collected to test the null hypothesis.
iii. If we do not reject the null hypothesis based on sample evidence, we have proven beyond doubt that the null hypothesis is true.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (i) and (ii) are correct statements but not (iii).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Gastrointestinal Tract

The series of hollow organs joined in a long, twisting tube from the mouth to the anus, including the stomach and intestines, that digest food and absorb nutrients and water.

Pancreatic Amylase

An enzyme produced by the pancreas that helps in the digestion of carbohydrates by breaking down starches into sugars.

Peristaltic Waves

Sequential muscle contractions that occur in the gastrointestinal tract to move contents through the digestive system.

Attachment Behaviors

Actions performed by infants and children to seek proximity to their caregivers, signaling a need for comfort and security.