Suppose you analyzed the average monthly credit card bill of Visa credit card customers using two randomly selected samples: one with 149 Visa credit card customers Sample #1) and one with 113 Visa credit card customers Sample #2 Every creditcard customer ampe 1 had a monthly edit ad bill of $1,871. Sample #2, on the other hand, had an average monthly credit card bill of $1,807 with a variance of 1,339,644 (S)"2、 if you combined these samples into one... Question 2 What would be the combined monthly credit card bill average (in dollars)? $1,843.3969 Question ЗА what is thecombined monthly credit card bill median (in dollars)? $1,871.0000 Question 3BWhat is the shape of the combined monthly credit card bill distribution (in dollars)? Skewed Left Question 4 What would be thecombined monthly credit card bill standard deviation (in dollars)?
Help on #4 please.
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