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harmonic mean

a measure of central tendency. It is computed for n scores by dividing the scores by the sum of their reciprocals; that is, n divided by the sum of 1/x1 + 1/x2 + 1/xn. See also geometric mean; mean.

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Psychology term of the day

November 18th 2024

parathyroid gland

parathyroid gland

a small, paired endocrine gland found in the area of the thyroid gland. It secretes parathyroid hormone, which takes part in the control of calcium and phosphate metabolism.