Why is it useful to look at data in a graph as well as in a table What is the main advantage of seeing a graph of the data For most people looking a long tables of numbers provides little useful insight The following table is relatively short, but do you quickly see the error in the table Time Sales 1 2,905 061 2 2,105 952 3 2,425 459 4 1,901 989 5 2,983 749 6 2,054 975 7 5,207 734 8 1,549 668 9 2,344 998 10 2,749 116 For what kind of data pattern is a linear regression model most applicable Give an example based on data used in this chapter

Question: Why is it useful to look at data in a graph as well as in a table? What is the main advantage of seeing a

Why is it useful to look at data in a graph as well as in a table? What is the main advantage of seeing a graph of the data?

For most people looking a long tables of numbers provides little useful insight. The following table is relatively short, but do you quickly see the error in the table?

Time	Sales
1	2,905.061
2	2,105.952
3	2,425.459
4	1,901.989
5	2,983.749
6	2,054.975
7	5,207.734
8	1,549.668
9	2,344.998
10	2,749.116

For what kind of data pattern is a linear regression model most applicable? Give an example based on data used in this chapter.

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