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Question
When amazon.com recommends books for purchase when a customer who has ordered books from Amazon previously returns to the site, this is an example of _____.a. push technology
b. electronic data interchange
c. pull technology
d. a URL
Answer
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Related questions
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In a study comparing the means of two groups in which there are 45 males in Group 1 and 37 females in Group 2, the degrees of freedom for this study when using the t-test for the difference between means is:
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Q:
In using the t-test to compare the means of two groups, the degrees of freedom are calculated as _____.
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