I If There Are Only Two Cells in a Goodness-Of-Fit

question 121

Multiple Choice

i. If there are only two cells in a goodness-of-fit test, we should expect 5 or more frequencies. ii. Chi-square goodness-of-fit test is the appropriate statistical test to use when you wish to determine how well an observed set of data fits an expected set of data.
iii. The null hypothesis in the goodness-of-fit test is that there is no difference.

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

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Definitions:

Low-birth Weight

A term used to describe babies who are born weighing less than 2,500 grams (5 pounds, 8 ounces).

Intelligence

refers to the ability to learn from experience, adapt to new situations, understand and handle abstract concepts, and use knowledge to manipulate one's environment.

Attractive Babies

This refers to infants perceived as more aesthetically pleasing based on certain physical features, often influencing social interaction patterns from an early age.

Preterm

The term for babies born before the 37th week of pregnancy.