A Botanist Measures the Heights of 16 Seedlings and Obtains

question 129

Multiple Choice

A botanist measures the heights of 16 seedlings and obtains a mean and standard deviation of 72.5 cm and 4.5 cm, respectively. Find the 95 percent confidence interval for the mean height of seedlings in the population from which the sample was selected.

• A) [62.91, 82.09]
• B) [70.30, 74.70]
• C) [70.10, 74.90]
• D) [70.54, 74.46]
• E) [71.90, 73.10]

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