Q.No.3. A cigarette manufacturer claims that his cigarettes have an average nicotine content of 1.83 milligrams. If random samples of size 8 of this type have nicotine contents of 2.0, 1.7, 2.1, 1.9,...

Q.No.3.A cigarette manufacturer claims that his cigarettes have an average nicotine content of 1.83 milligrams. If random samples of size 8 of this type have nicotine contents of 2.0, 1.7, 2.1, 1.9, 2.2, 2.1, 2.0 and 1.6 milligrams, would you agree with the manufacturer’s claim. Use 95% confidence level.
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