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
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