Question: Jane-Marie is arranging for a retirement party for a friend, and is trying to come up with a cost for the event. She believes that the cost (per person) will be $50. Jane-Marie selects a sample of places to hold the reception, and asks for the per person cost of having the party at that location, given below:

You may assume the data is normally distributed. At the .05 level of significance, is there evidence that the cost will be more than what Jane-Marie first thought?