Assuming a Confidence Interval of 95% (Z = 1

question 1

Multiple Choice

Assuming a confidence interval of 95% (z = 1.96) , calculate the width of the confidence interval for n = 65, = 24.5, s = 4.5 (1 decimal place)

• A) 24.5 ± 0.8
• B) 24.5 ± 0.9
• C) 24.5 ± 1.0
• D) 24.5 ± 1.1

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A unit of land area measurement used in the U.S. customary and imperial systems, equal to 43,560 square feet or about 4,047 square meters.

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A cereal grain known for its edible seeds, often consumed as oatmeal or rolled oats, and used as livestock feed as well as in various food products.