Your medical research team is investigating the standard deviation of the cost of a 30-day supply of a certain heart medication.

Question

Your medical research team is investigating the standard deviation of the cost of a 30-day supply of a certain heart medication. A pharmaceutical company thinks that the standard deviation of the cost is more than $23. You want to support this claim. How would you write the null and alternative hypotheses?

Kunduz · Accepted Answer

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