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Signature Assignment (Quan0ta0ve and Empirical Reasoning) This assignment will evaluate your Quan%ta%ve and Empirical Reasoning skills. Upon comple7on of the assignment, each student will demonstrate skills such as interpret data, represent and/or convert data, mathema7cally manipulate data, analyze data, make logical assump7ons based on data, and communicate the results of data analysis. This is an INDIVIDUAL assignment in which students will be interpre7ng graphs, data and tables. Brief Descrip0on of assignment: The assignment is based on the human endocrine and reproduc7ve system and focuses on teenage pregnancies. This assignment will help in evalua7ng Quan7ta7ve and Empirical Reasoning skills of students. • Interpret by explaining informa7on presented in equa7ons, graphs, diagrams, tables, and words • Represent relevant informa7on through conversion into equa7ons, graphs, diagrams, tables, and words • Manipulate informa7on through organiza7on of appropriate data to accurately solve a problem and communicate conclusions • Analyze through development of judgements and draw conclusions while addressing the limita7ons of analysis • Make and evaluate assump7ons in es7ma7on, modeling, and analysis of data Instruc0ons to the student: 1. Put your name on top of the Assignment 2. Please make sure you show ALL of your work neatly and legibly. 3. Show step by step process of how you solved each problem, include even the simplest of steps. Clearly box each answer. 4. Once you complete this assignment, please scan and upload your answers on Blackboard in the Signature Assignment Drop Box. 5. All uploads must be in PDF format. Name: __________________________ Assignment Details Part A The graph below shows the pregnancy, birth and abor7on rates for the years 1976-2012. Analyze the graph and answer the ques7ons following it. Fig 1: The pregnancy, birth and abor7on rates for teenagers aged 15-19 (US), 1976-2009, and birth rate, 2010-2012(Fig courtesy: CDC) 1. What is the above graph represen7ng? Explain in one to two sentences in your own words. Read the x axis and y axis carefully. 2. What has been the trend in pregnancy rates for the years shown? In which year(s) was there an increase and approximately how many pregnancies were reported? 3. Study ﬁgure 1 above and answer the following a. Is there a correla7on between the pregnancy rates and the live birth rates? b. What was the maximum number of live births recorded and in which year? c. In the years from 1976-2012, which year(s) showed the maximum number of abor7ons and what was that number? 4. What can you predict about the pregnancy rates over the next 10 years? What assump7ons will you make while making your predic7on? Part B The following table shows the number of pregnancies in teenage girls amongst school going and non- school going girls in 2004. Age at Pregnancy Number of Pregnancies Number of girls who acend school (N=1000) Number of girls who do not acend school (N=1000) Total Pregnancies No of girls who acended and did not acend. 12 years 5 2 7 13 years 5 6 11 14 years 10 14 24 15 years 45 60 105 16 years 73 121 194 Total 138 203 341 Where N is the sample size (Means how many individual were in the test) Table 1: This table shows the number of pregnancies in school going and non-school going girls ages 12-16 1. Using the data from the Table 1, draw a graph clearly represen7ng the numbers/values on the X and Y axis. Use the graph above in Part A as an example for making the graph. 2. From your graph, interpret at which age the number of pregnancies in school going and non- school going girls is similar? At which age, did you see the maximum diﬀerence in the two categories? 3. Is there any trend (decrease/increase) in number of pregnancies with increase in age? 4. Calculate the percentage of pregnancies in school going girls ages 12-16 and the number of pregnancies in girls (ages 12-16) who did not acend school? To calculate percentage – (# of pregnant girls in group calcula7ng / Total # girls in group) x 100 = % School going girls: _____% Girls not acending school: ____% 5. If the predicted number of pregnancies in year 2020 is 130 in a sample size of 500, what is the percentage of teenage pregnancies? Has there be an increase or decrease in number of teenage pregnancies from past data?

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