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14. How many tests did the student take during their junior year in high school? (1 point) 100 37 66 *** my answer 29
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I got 66 too
15. What is the width of each bin? (1 point) 10 1 5 The width varies. * my answer (using same graph)

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Other answers:

what does it mean of each "bin"
I honestly have no clue @emily_wilson
well if its for the bar graph then i would say 10
16. Which class has the highest frequency? (1 point) 80 80–89 90 The answer cannot be determined. * my answer
17. What is the cumulative frequency of the green bar? (1 point) 0.15 15 * my answer 25 22
these are my last two questions on the same graph
I would agree on both
Do the answers look right? @amistre64
the last 2 seem to have issues.
What are the issues?
what is your defiintion of a cumulative frequency?
I'm not really sure what it is..
then what is your best guess at its definition?
it's the total of something?
yes, the total of all that has gone before ... https://www.mathsisfun.com/definitions/cumulative-frequency.html
its the running total
and i would say that a class is defined by its width, so there is an answer for the other one as well
is 17, A?
what is the sum of the first 3 'bins'?
3 7 and 15
add them up
25?
that looks better yes
okay, now what about for question 16?
well, since a class is defined by its width ... how would you consider naming the class with the highest frequency?
I think it's B?
the class (80 to 90) on the graph does have the highest bar ... so if im reading it correctly, i would go with the B option.
15. What is the width of each bin? (1 point) 10 1 5 The width varies. Does 10 look right for this?
id go with 10 yes. but just as an educated guess. the width of each does not vary, and not of them are 1 or 5 ...
13. If this data were put into a bar graph, which of the following would be true regarding the shape of the graph? (1 point) It would be skewed left. It would be skewed right. It would be bell-shaped. There is not enough information to tell.
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I think that ones D
the shape would resemble the outline of the charts right hand side ... if that makes any sense. each digit tends to take up the same space as a single unit ... if we turn it to the left, and trace over the edge we get:
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So, A?
the resulting effect is a not bell shaped, but skewed
skews to the small end, so yes, to the left in this case
Thank you so much!
the skew refers to the mean, and how the outliers effect it instead of being over there with most of the data, the tail pulls the mean away from it.
good luck

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