hwk9 - Homework 9 (due Tue. 10/6/09) (1) Textbook: 2.98:...

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Homework 9 (due Tue. 10/6/09) (1) Textbook: 2.98: Answer all of the questions asked in the textbook. (Do not use Excel to answer any of these questions; you may use your calculator; you do not need to show each step of the calculation; be sure to give 3 decimal places of accuracy in all your answers.) In part (a): Make your scatterplot by hand. Be sure to clearly label and scale both axes. Scale the x-axis from 15 to 23 with labels at each whole number. Scale the y-axis from 3.00 to 3.60, with labels at 3.00, 3.10, 3.20, etc. In part (d): Make your residual-plot by hand. Be sure to clearly label and scale both axes. Scale the x-axis from 15 to 23 with labels at each whole number. Scale the vertical axis from -.015 to +.015, with tick-marks at -.014, -.013, -.012, etc., and with labels at -.015, -.010, -.005, .000, .005, .010, .015. 2.132, 2.147 (2) Excel Work (Only turn in templates): (2A) Read the Excel Manual pages 42 – 45 (correlation and regression …). On a new worksheet, enter the data-set for Textbook Exercise 2.96 (file ex02_096 uploaded to the Bb site). You will use Excel to answer all the questions in the textbook exercise: (a) Make a scatterplot of the data, with the labels "Isotope" and "Silicon" on the appropriate axes; remove the legend and the gridlines from the chart; the title of the scatterplot should be "Chemical Evidence of Climate
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hwk9 - Homework 9 (due Tue. 10/6/09) (1) Textbook: 2.98:...

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