Question content area top Part 1 A bank found that in recent? years, the average monthly charge on its credit card was ?$1 comma 3001,300. With an improving? economy, they suspect that this amount has increased. A sample of 4040 customers resulted in an average monthly charge of ?$1 comma 326.251,326.25 with a standard deviation of ?$182.51182.51. Do these data provide statistical evidence that the average monthly charge has? increased? Formulate the appropriate hypothesis test and draw a conclusion. Use a level of significance of 0.05.