an estimate (m) is used based upon a statistic such as the arithmetic or geometric mean of past returns. 3. Problems with estimates of the expected return To investigate the properties of the arithmetic mean and geometric mean of past returns as estimators of the discount rate, we assume that annual total return
Regular digital thermometers use electronic heat sensors to record body temperature. These thermometers can be used in the rectum, mouth or armpit. Armpit temperatures are usually the least accurate. Rectal temperatures provide the best readings for infants, especially those 3 months or younger, as well as children up to age 3. For older children and adults, oral readings are usually accurate â as long as the mouth is closed while the thermometer is in place.
Taking and recording your basal temperature is an easy and simple method to track, allowing you pinpoint the occurrence of ovulation within your menstrual cycle. Because of the nature concerning basal body temperature, this method will only be accurate if the temperature is taken upon waking and at a consistent time. Variance in the time that the temperature is taken each day could cause inaccurate results and comparison between your temperatures from day to day.