<span>When a data value is converted to a standardized scale representing the number of standard deviations the data value lies from the mean, we call the new value a <span><u>z-score.</u>
According to its definition, a z-score is "</span></span><span>the number of standard deviations from the mean a data point is."</span>
Santa Claus<span> also has some </span>other names<span>: Saint Nicholas, St. Nick, Kris Kringle, Pelznickel. </span>Two<span> of his </span>names<span> -- </span>Santa Claus<span> and Saint Nicholas -- both come from the Dutch who settled in New York long ago.</span>
Answer:
Accidental reinforcement
Explanation:
Accidental reinforcement occurs when a reinforcer casually concurs with a positive outcome, so the person associate the outcome with the reinforcer. This type of reinforcement is usually the source of superstitious behaviours.
In this case, Roger associated the fact of wearing green underwear to the good grade he got in his test, the green underwear was the reinforcer that casually concurs with the positive outcome which in this case was the good grade, so Roger started associating both and now he wears green underwear on test days.
Do u mean like the pyramid or socialist system
I would go with 50 since according to recent statistics %47 percent of Africans already live in an urban environment. Could the question be outdated?
