Question: please help. i am a bit confused A bank found that in recent years, the average monthly charge on scredit card was 51 350 with

please help. i am a bit confused

A bank found that in recent years, the average monthly charge on scredit card was 51 350 with an improving economy, the suspect that this music sample of 40 customers resulted in an average monthly charge of $1.375.11 with a standard deviation of 12 Do these data produces the average monthly charge has increased? Formulate the appropriate hypothesis test and draw a conclusion Use all of significance of Is there sufficient evidence at the 0.05 level of significance that the average monthly charge has increased? Determine the dead hypothesis. H, and the alternative hypothesis, H, H H Enter your answer in each of the answer boxes

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