The following six advertising campaigns show the number of ads (x) and the resulting sales revenues (y) from each advertising campaign. Table 1 illustrates the data. 1. TABLE 1. Sample data for sales (y) and number of ads(x) Obs. y Xi – x (X¡ – x)² | Yi – ỹ | (X; – x)(yi – 7) | Îi ei (y; – y)² (i - T)² 1 10 49 41 3 16 49 4 8 36 12 46 6 8 43
The following six advertising campaigns show the number of ads (x) and the resulting sales revenues (y) from each advertising campaign. Table 1 illustrates the data. 1. TABLE 1. Sample data for sales (y) and number of ads(x) Obs. y Xi – x (X¡ – x)² | Yi – ỹ | (X; – x)(yi – 7) | Îi ei (y; – y)² (i - T)² 1 10 49 41 3 16 49 4 8 36 12 46 6 8 43
Chapter9: Sequences, Probability And Counting Theory
Section: Chapter Questions
Problem 47RE: For the following exercises, assume two die are rolled. 47. Construct a table showing the sample...
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What is the standard error of the estimate, s? What is the estimated standard deviation of b1, that is sb1?
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