Mathematics, 02.12.2020 16:30 fionademoss6810
A server kept track of the tip percentage left on 157 bills from the First Crush bistro in Northern New York State. The mean percent tip left on the 106 bills paid in cash was 16.39 percent with a standard deviation of 5.05 percent. The mean percent tip left on the 51 bills paid with a credit card was 17.10 percent with a standard deviation of 2.47 percent. When testing to see if there is a difference in the mean percent of the bill left as a tip between bills paid with a credit card and bills paid with cash, what is the p-value, rounded to 3 decimal places?
Answers: 3
Mathematics, 21.06.2019 17:30
One integer is 8 times another. if the product is 72, then find the integers
Answers: 2
Mathematics, 21.06.2019 17:30
Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?
Answers: 3
Mathematics, 21.06.2019 20:00
The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?
Answers: 2
A server kept track of the tip percentage left on 157 bills from the First Crush bistro in Northern...
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