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Mathematics, 07.04.2020 16:55 miahsmith258
Twelve randomly selected mature citrus trees of one variety have a mean height of 13.8 feet with a standard deviation of 1.2 feet, and 15 randomly mature citrus trees of another variety have a mean height of 12.9 feet with a standard deviation of 1.5 feet. Assuming that the random samples were selected from normal populations with equal variances , Construct a 95% confidence interval for the difference between the true average heights of the two kinds of citrus trees.
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Twelve randomly selected mature citrus trees of one variety have a mean height of 13.8 feet with a s...
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