In a study conducted to investigate browsing activity by shoppers, each shopper was initially classified as a non-browser, light browser, or heavy browser. For each shopper, the study obtained a measure to determine how comfortable the shopper was in a store. Higher scores indicated greater comfort. Suppose the following data were collected. Light Heavy Nonbrowser Browser Browser 4 3 8 5 4 10 6 3 8 3 2 10 3 5 7 4 2 9 5 4 8 4 3 10 Use 0L = .05 to test for a difference among mean comfort scores for the three types of browsers. Compute the values identified below (to 2 decimals, if necessary). Sum of Squares, Treatment Sum of Squares, Error Mean Squares, Treatment Mean Squares, Error Calculate the value of the test statistic (to 2 decimals, if necessary). p-value = Use Fisher's LSD procedure to compare the comfort levels of nonbrowsers and light browsers. Use 0L=.05 Compute the LSD critical value (to 2 decimal
In a study conducted to investigate browsing activity by shoppers, each shopper was initially classified as a non-browser, light browser, or heavy browser. For each shopper, the study obtained a measure to determine how comfortable the shopper was in a store. Higher scores indicated greater comfort. Suppose the following data were collected.
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Light |
Heavy |
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Nonbrowser |
Browser |
Browser |
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4 |
3 |
8 |
||
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5 |
4 |
10 |
||
|
6 |
3 |
8 |
||
|
|
3 |
2 |
10 |
|
|
|
3 |
5 |
7 |
|
|
|
4 |
2 |
9 |
|
|
5 |
4 |
8 |
||
|
4 |
3 |
10 |
Use 0L = .05 to test for a difference among
Compute the values identified below (to 2 decimals, if necessary).
Sum of Squares, Treatment
Sum of Squares, Error
Mean Squares, Treatment
Mean Squares, Error
Calculate the value of the test statistic (to 2 decimals, if necessary).
p-value =
Use Fisher's LSD procedure to compare the comfort levels of nonbrowsers and light browsers. Use 0L=.05 Compute the LSD critical value (to 2 decimals).
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