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In a study conducted to investigate browsing activity by shoppers, each shopper was initially classified as a nonbrowser, light browser, or heavy browser. For each

In a study conducted to investigate browsing activity by shoppers, each shopper was initially classified as a nonbrowser, 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.

Nonbrowser 4 5 6 3 3 4 5 4

Light Browser 5 6 5 4 7 4 6 5

Heavy Browser 5 7 5 7 4 6 5 7

a) Use a = .05 to test for differences among comfort levels for three types of browsers.

b) Use Fisher's LSD procedure to compare the comfort levels nonbrowsers and light browsers. Use a = .05. What is your conclusion.

Null: mean comfortability for all types of shoppers are equal.

Alternate: mean comfortability for all types of shoppers are not equal.

Analyzing the Anova test, what do you conclude regarding the null?

Question 2 options:

1)

p-value 0.034 is less than 5%, donotreject the null

2)

F=4 is beyond the critical value, donotreject the null

3)

Mean square due to error is close to 1, donotreject the null

4)

None of the above

Complete Fisher's LSD comparison for the three types of shoppers. Which, if any, of the comparisons is a significant difference?

Question 4 options:

1)

Nonbrowser to Light Browser

2)

Nonbrowser to Heavy Browser

3)

Light Browser to Heavy Browser

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