ALGEBRA 1!!! MEDAL!!!!!!!

Question

bringmethehorizon_ · Answer

The table below shows data from a survey about the amount of time students spend doing homework each week. The students were either in college or in high school:

bringmethehorizon_ · Answer

High	Low	Q1	Q3	IQR	Median	Mean	σ
College	20	6	8	18	10	14	13.3	5.2
High School	20	3	5.5	16	10.5	11	11	5.4

bringmethehorizon_ · Answer

Which of the choices below best describes how to measure the spread of this data?

anonymous · Answer

@bringmethehorizon_ , What's your question?

bringmethehorizon_ · Answer

Answers:

A. Both spreads are described with the IQR.
B. Both spreads are described with the standard deviation.
C. The college spread is described by the IQR. The highschool spread is described by the standard deviation.
D. The college spread is described by the standard deviation. The highschool spread is described by the IQR.

bringmethehorizon_ · Answer

@QueenChanti

anonymous · Answer

@bringmethehorizon_, I would think the answer is B

bringmethehorizon_ · Answer

Could you explain why?

anonymous · Answer

Well since the chart as the σ sign, it would mean it's standard deviation

bringmethehorizon_ · Answer

I'm confused..IQR is on there too

anonymous · Answer

Hold on a sec

anonymous · Answer

Okay it seems like only the high school is standard deviation, cause college as nothing in that column, so the answer would be C

bringmethehorizon_ · Answer

Nooo they all have something in the column

bringmethehorizon_ · Answer

hold up

bringmethehorizon_ · Answer

High	Low	Q1	Q3	IQR	Median	Mean	σ
College	   20	 6	8	18	10	14	        13.3	        5.2
High School 20  3	5.5	16	10.5  11	          11	        5.4

bringmethehorizon_ · Answer

That was confusing I'm sorry @QueenChanti

anonymous · Answer

Lol, yeah it was

anonymous · Answer

Um how??