QUESTION 9 3P A grocery store owner claims that the mean amount spent per checkout is more than $71. A test is made of Ho: N = 71 versus H ,: J> 71. The null hypothesis is rejected. State the appropriate conclusion. a. The mean checkout amount is less than or equal to $71. Ob. The mean checkout amount is greater than $71. Oc. There is not enough evidence to conclude that the mean checkout price is greater than $71. Od. There is not enough evidence to conclude that the mean checkout price is less than or equal to $71