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Analysis Of Infant Birth Metrics And The Impact Of Maternal Smoking

Examine birth metrics with this assignment solution.

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    Analysis of Infant Birth Metrics and the Impact of Maternal Smoking Project 1 Due Date: March 11, 2013 Possible points: 20 Data was collected by a random survey of mothers during November 2010. 57 mothers were asked about the gestation period for their pregnancies (length of pregnancy in weeks), the birth weight, the length of their newborns and whether they smoked while they were pregnant. All of the outputs created in Statcrunch must be copied and pasted to a Word document. 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 project page. 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 My Results” . Copying the graph to “My Results” will save your graph. You can access this graph anytime from the “My Results” folder. To access this graph later, click on “StatCrunch” ( the first menu button on the left, click on “Session Results”) . 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 your graph 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” and then paste the graph to your Word document. 3) Create a QQ Plot for the weight in grams. Click on Graphi c s >> Select QQ Plot >> Select the column “ Weight” >> Create Graph . Do the data values seem to be close to the oblique line? If yes, write q conclusion that 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” >> Create Graph >> Click on “ Options” to save the graph in “My Results” folder and copy it and paste it to your Word document . 5) Find the mean and the standard deviation of the weights at birth Click on Stat >> Summary Stats >> Select the column “Weight” >> Next >> Select the mean and the standard deviation >> Click on “Calculate”. Click on “Options” to copy 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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