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A marketing firm wants to know whether there is a difference in the number of Apple products owned among students at UA vs. students at

A marketing firm wants to know whether there is a difference in the number of Apple products owned among students at UA vs. students at all colleges in the United States. The average among students at UA is 1.55. The average among U.S. college students is 0.78. The standard deviation of the distribution of means is .34. The sample size for the UA group is 100. What is the t-value

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