Microsoft Office Tutorials and References
In Depth Information
Fig. 6.31 Worksheet Data for Chapter 6: Practice Problem #2
(a) create an XY scatterplot of these two sets of data such that:
top title: RELATIONSHIP BETWEEN BODY WEIGHT AND GILL
WEIGHT IN Pachygrapsus marmoratus
x-axis title: BODY WEIGHT IN GRAMS (g)
y-axis title: GILL WEIGHT IN MILLIGRAMS (mg)
re-size the chart so that it is 7 columns wide and 25 rows long
delete the legend
delete the gridlines
move the chart below the table
(b) Create the least-squares regression line for these data on the scatterplot.
(c)) Use Excel to run the regression statistics to ﬁnd the equation for the
leastsquares regression line for these data and display the results below the chart
on your spreadsheet. Use number format (two decimal places) for the
correlation, r, and for both the y-intercept and the slope of the line.
(d)) Print the input data and the chart so that this information ﬁts onto one page.
(e) Then, print out the regression output table so that this information ﬁts onto a
(1a) Circle and label the value of the y-intercept and the slope of the
regression line onto that separate page.
(2b) Read from the graph the gill weight you would predict for a body
weight of 20 grams and write your answer in the space immediately
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