On average, who spends more money on Prom? Forty-two senior girls and thirty-nine senior boys were asked how much they plan on spending on prom this spring. 1 proportion z-test

2 proportion z-test

1 sample t-test

2 sample t-test

Paired t-test

1 proportion z-interval

2 proportion z-interval

1 sample t-interval

2 sample t-interval

Paired t-interval

?