A Weight Loss Centre in the City Provided a Weight

question 25

Multiple Choice

A weight loss centre in the city provided a weight loss for 152 out of 200 participants.A weight loss centre in the suburb provided a weight loss for 109 out of 140 participants.

• A)P-value = 0.6892; If there is no difference in the proportions,there is about a 68.92% chance of seeing the observed difference or larger by natural sampling variation.
• B)P-value = 0.6892; There is about a 68.92% chance that the two proportions are equal.
• C)P-value = 0.3446; If there is no difference in the proportions,there is about a 34.46% chance of seeing the observed difference or larger by natural sampling variation.
• D)P-value = 0.3446; There is about a 34.46% chance that the two proportions are equal.
• E)P-value = 0.6554; If there is no difference in the proportions,there is about a 65.54% chance of seeing the observed difference or larger by natural sampling variation.

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Definitions:

Wildcard

In computing, a symbol or set of symbols used to represent unknown, variable, or multiple characters or numbers in a command or search.

SortedSet

An interface in the Java Collections Framework representing a set that maintains its elements in ascending order.

Set Interface

An interface in Java Collections Framework representing a collection that contains no duplicate elements and has no specific order.

TreeSet< T >

A navigable set implementation based on a Red-Black tree, which stores its elements in sorted, ascending order.