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Suppose you analyzed the average monthly credit card bill of Visa credit card customers using two randomly selected samples: one with 150 Visa credit card customers (Sample #1) and one with 99 Visa credit card customers (Sample #2). Every credit card customer in Sample #1 had a monthly credit card bill of $1,846. Sample #2, on the other hand, had an average monthly credit card bill of $1,888 with a variance of 1,340,992 ($)^2. If you combined these samples into one...

1) What is the combined monthly credit card bill median (in dollars)?

Professor James took a sample of 195 students from her morning class and a sample of 171 students from her evening class. On Exam 1, all those sampled from the morning class got a 63 while those sampled from the evening class averaged a 67 with a variance of 164. If Professor James combines these two samples ...

2) What is the combined Exam 1 average?

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