Quiz scores in Ms.Carson's class can range from 0-5 points, inclusive.If the scores from tuesdays quiz have an average (arithmetic mean) of 3, median of 3, and a mode of 2, what graph could represent those quiz scores?
The scores: 0, 2, 2, 2, 3, 3, 4, 4, 5, 5 range from 0 - 5, they have an average of 3, (add all and divide by 10, the number of scores), have a median of 3. (Median is the middle number or the average of the two middle numbers). And a mode of 2. (2 is the observation that occurs the most frequently.)
A histogram of these values would look like this:
But, this is not the only series of numbers that have the required traits. And other histograms would look different. You need the bar over 2 to be the tallest. That is for sure.
Feb 6th, 2015
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