Statistics Homework Solutions
#10285
Scatter diagram
Given the following data, create a scatter diagram (using Excel), click on the points as demonstrated in the Excel workbook, and have Excel place the regression equation and coefficient of correlation on the graph for you. Interpret the results (in English).
Years of Education Annual Income (000's)
6 10
7 13
8 15
7 14
9 16
12 21
11 22
14 20
16 19
20 45
13 35
15 36
The solution answers the question(s) below.
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Amrit Lal Ahuja, PhD (IP) - 4.9/5
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- reg_ln2.xls
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- Interpreting scatter plot data - I am trying to understand how the regression line "fits" into the scatter plot and how to extract and interpret the data being requested.
- Regression analysis of SMA and Age - Can you send me a graph for the person correlation for age vs young's. significance is 0.6 but there appears to be a trend. Can you produce a graph with best fit line as you did with sma vs age
- Regression in Scatter plot form - See attachment.
- What information is provided by the numeral value of the Pearson correlation? - What information is provided by the numeral value of the Pearson correlation? What is the major distinction between the Pearson and Spear man correlations?
- Computing the sample correlation coefficient and the coefficients for the least-squares regression line - Attached is the problem.
