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2. Discounts and allowances - Wikipedia

   en.wikipedia.org/wiki/Discounts_and_allowances

   Discounts and allowances are reductions to a basic price of goods or services.. They can occur anywhere in the distribution channel, modifying either the manufacturer's list price (determined by the manufacturer and often printed on the package), the retail price (set by the retailer and often attached to the product with a sticker), or the list price (which is quoted to a potential buyer ...

3. Percentage - Wikipedia

   en.wikipedia.org/wiki/Percentage

   In mathematics, a percentage (from Latin per centum 'by a hundred') is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign (%), [1] although the abbreviations pct., pct, and sometimes pc are also used. [2] A percentage is a dimensionless number (pure number), primarily used for expressing proportions ...

4. Truncated mean - Wikipedia

   en.wikipedia.org/wiki/Truncated_mean

   A truncated mean or trimmed mean is a statistical measure of central tendency, much like the mean and median. It involves the calculation of the mean after discarding given parts of a probability distribution or sample at the high and low end, and typically discarding an equal amount of both. This number of points to be discarded is usually ...

5. Ejection Fraction: Definition, Measurement, Causes, and Treatment

   www.webmd.com/heart/ejection-fraction-percentage...

   Ejection Fraction Formula. Your ejection fraction is a percentage. It's calculated by dividing the volume of blood pumped out of the ventricle each time your heat beats (called stroke volume, or ...

6. Tretinoin Topical: Uses, Side Effects, Interactions ... - WebMD

   www.webmd.com/drugs/2/drug-3956/tretinoin-topical

   Side Effects. Warmth or stinging may occur right after applying the medication. Skin redness, dryness, itching, scaling, mild burning, or worsening of acne may occur during the first 2 to 4 weeks ...

7. Breast Cancer Hormone Receptor Types: ER-Positive - Healthline

   www.healthline.com/health/breast-cancer/er...

   ER-positive breast cancer is the most common type of breast cancer diagnosed today. According to the American Cancer Society (ACS), about 2 out of every 3 cases of breast cancer are hormone ...