Aprakash+Assignment+2

ANAHITA PRAKASH

Date Of Submission: November 9, 2010 Due Date: November 10, 2010 Date Assigned: October 31, 2010 Math Block 6E Wiki Assignment # 2 Topic: Making Graphs using Technology: Data About Us

Problem 41. If you were given a person's arm span could you determine his/her height? Make a coordinate graph on your classmates arm span and height and then use the data to answer the question.

(cm) ||
 * Name (initials) || Arm Span (cm) || Height
 * MP || 151cm || 150cm ||
 * LD || 156cm || 153cm ||
 * ED || 150cm || 154cm ||
 * JH || 149cm || 145cm ||
 * GB || 153cm || 144cm ||
 * EGW || 153cm || 146cm ||
 * AB || 161cm || 145cm ||
 * TH || 141cm || 143cm ||
 * JL || 158cm || 151cm ||
 * JW || 161cm || 151cm ||
 * MG || 149cm || 156cm ||
 * MH || 161cm || 149cm ||
 * AS || 154cm || 152cm ||
 * YL || 156cm || 146cm ||
 * LB || 155cm || 158cm ||
 * TM || 150cm || 146cm ||
 * AI || 154cm || 147cm ||

i think that you wouldn't know the height of a person because, if you look at the scatterplot above, some peoples' arm span is way bigger than their height, whereas some others heights' are way bigger than their arm span. so, its really hard to predict.

Problem 4.1 Follow Up On the graph, make a diagonal line through the parts of which the arm span and height are the same length. Then, write something about the data points below and above line.



1. None of my classmates fall on this line. Which would mean that none of them are perfect. But, their are some that were close! 2. The data points below the line all have longer arm spans' than the heights. Most of the class is below the line which is weird because that means we all look like monkeys!!! 3. The data points above the line all have longer heights then arm spans'. And there are only 3 people in our class who have longer in height than arm spans'.