Considering the S&P 500 Index, If Each Company's Stock Price

question 39

Multiple Choice

Considering the S&P 500 Index, if each company's stock price increased by 10%:

• A) the weights in the index would remain the same.
• B) the companies with the most shares outstanding would have even greater weight after the increase.
• C) the companies with fewer shares would gain more weight at the expense of the companies with greater shares.
• D) the weights in the index would change to reflect the percentage changes in the prices of the various stocks.

Distinguish between positive and negative reinforcement.

Identify examples and effects of punishment in behavior modification.

Comprehend different reinforcement schedules (fixed-ratio, variable-ratio, fixed-interval, variable-interval) and their impacts on behavior.

Recognize the role of aversive stimuli in behavior modification.

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Definitions:

Skewed

A distribution that is not symmetrical, indicating that the data tends to lean towards the left (negatively skewed) or right (positively skewed) of the average.

Histogram

A graphical representation of the distribution of numerical data, usually showing frequency of data intervals.

Median

The middle value in a sorted list of numbers, effectively dividing the dataset into two halves.

Skewed

Describes a distribution of data that is not symmetrical, where one tail is longer or fatter than the other.