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Analysis Of Infant Birth Metrics And The Impact Of Maternal Smoking

Examine birth metrics with this assignment solution.

Victoria Lee
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Analysis of Infant Birth Metrics and the Impact of Maternal SmokingProject 1Due Date: March 11, 2013Possible points: 20Data was collected by a random survey of mothers during November 2010. 57mothers were asked about the gestation period fortheir pregnancies (length ofpregnancy in weeks), the birth weight, the length of their newborns and whether theysmoked while they were pregnant.All of the outputs created in Statcrunchmust be copied and pasted to a Worddocument. Provided comments on your graphs where asked to draw a conclusion.Save your file as Project1 and upload it using the “Upload a file” button in the projectpage.1)Create a histogram for the weights of the infants.Click on Graphics >> Histogram >> Select Weights >> Next >> Frequency:Relative Frequency, Start Bin at 1500, Bin Width 500 >> Next>> Create Graph .Once you create the graph, click on“Options”,and then select Export to MyResults”. Copying the graph to “My Results” will save your graph. You canaccess this graph anytime fromthe “My Results” folder.To access this graphlater, click on “StatCrunch” ( the first menu button on the left, click on “SessionResults”).You need to copy and paste this graph to a Word document.2)Create a box-and-whisker plot for the gestation period. Copy and paste yourgraph to your Word document.Click on Graphics >> Boxplot >> Select the column “gestation period” >> Next >>Select “ Draw the box horizontally” and then click on “Create graph”To save this graph online click on “Options” and then“ Export to My Results”folder. To copy and paste this graph to your Word document, click on “Copy” andthen paste the graph to your Word document.3)Create a QQ Plotfor the weight in grams.Click on Graphics >> Select QQ Plot >> Select the column “ Weight” >> CreateGraph.Do the data values seem to be close to the oblique line? If yes, write q conclusionthat the population of weights at birth is normally distributed.4)Create a Stem-and-Leaf plot of the length of the babies at birth.Click on Graphics >> Stem and Leaf >> Select the column “Length” >> CreateGraph >> Click on “ Options” to save the graph in “My Results” folder and copy itand paste it to your Word document.5)Find the mean and the standard deviation of the weights at birthClick on Stat >> Summary Stats >> Select the column “Weight”>> Next >>Selectthe mean and the standard deviation >> Click on “Calculate”. Click on “Options” tocopy and paste the results to your Word document.6)Use the answers from part 5 to find this probability.One woman is selected at random, what is the probability that her child at birth

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