Textbook ExpertVerified Tutor
13 Feb 2022
Given information
Given:
- Sample size n = 14
- Population mean μ = 23
- Standard deviation σ = 3
Step-by-step explanation
Step 1.
According to the question,
Null hypothesis,
Ho: μ =23 that means there is no sufficient data to conclude that the mean lactation period of grey seals differs from 23 days.
Alternative hypothesis,
Ha: μ ≠ 23 that means there is sufficient data to conclude that the mean lactation period of grey seals differs from 23 days.
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