Let us assume we survey 250 students before and after watching the educational video for Sexual tran
Question: Let us assume we survey 250 students before and after watching the educational video for Sexual transmission disease to discover whether they will use condom when they have sex. The following table is the data:
| Condom Use | Time 2 (After) | Total | ||
| No | Yes | |||
| Time 1 (Before) | No | 30 | 50 | 80 |
| Yes | 70 | 100 | 170 | |
| Total | 100 | 150 | 250 | |
Do you have enough evidence to decide that the proportion condom use changed? Let alpha=.05. Interpret the result.
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Type of Deliverable: Word Document
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