A homeopathic remedy for the common cold swears to work more quickly than any ov

Question

A homeopathic remedy for the common cold swears to work more quickly than any over-the-counter cold medicine. You decide to test this using data collected from 115 participants who took the homeopathic remedy and 104 participants who used the same type of regular cold medicine. The mean days to get better are 5.5 for those who used the homeopathic remedy with a standard deviation of 0.5. The mean and standard deviation for those who used cold medicine are 5.7 and 0.6, respectively. Assume alpha = .05 Is this a one-tailed or two-tailed test? O One-tailed because the remedy cannot outperform the medicine Two-tailed because you own stock in the company that makes the medicine O Two-tailed because the remedy could work better or worse than the medicine

Explanation / Answer

as above hypothesis is being tested for a direction cause is being checked if remedy work quickly then any over the counter medicine.

therefore it is a one tailed test.

I think it is last option which is not showing in your given picture. Please revert for that or for other subparts.

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