(redirected from expected frequency)
Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.


In probability theory and statistics, interchangeable with mean or average; it need not be a probable or even possible value. For instance, the expected number of children in completed families may be 2.53, but that is not a possible size of any actual family.


in statistics refers to the expectation as predicted by the relevant formula or model.

expected frequency
see expected frequency.
expected value
see expected value.

Patient discussion about expected

Q. What to expect from a Parkinson's patient? My 70 year old father has been diagnosed with Parkinson's. What will he be like from now on, what to expect?

A. Some of the symptoms of Parkinson's disease are:
• Trembling of hands, arms, legs, jaw and face
• Stiffness of the arms, legs and trunk
• Slowness of movement
• Poor balance and coordination
The symptoms usually get worse with time and then people with the disease may have trouble walking, talking or doing simple tasks.

Q. Curious as to what to expect with menopause

A. Menopause symptoms are caused due to rapid decline in hormonal levels- especially estrogen. You should expect to experience a variety of symptoms, that may be unpleasant such as hot flashes, palpitations, night sweats, vaginal atrophy (drying), skin drying, slight decrease in sexual drive, mood changes, urgency in urination and more. Not all women have these symptoms, and usually woman don't have all the symptoms.

Q. What kind of health complications I should expect if I have Psoriasis? i recently was diagnosed with Plaque Psoriasis- will it affect other organs in my body? Are there any complications I should worry about?

A. Patients suffering from psoriasis may also suffer from arthritis of various type, and also accelerated atherosclerosis (i.e. heart diseases). However, I don't think that the approach should what should you worry about, but rather you may consult your doctor to see what you can do to control the disease and maybe feel better about it.

Take care,

More discussions about expected
References in periodicals archive ?
Therefore, the null hypothesis of no relationships between the observed frequency and the expected frequency is rejected, showing a relationship between team learning and the use of ICTs in faculties and departments of physical education and sports sciences of Isfahan.
Replicated goodness of fit test for microhabitat classes comparing the observed frequency of scorpions on vegetation to the expected frequency based on relative abundance of vegetation (see Table 1) during three seasonal time periods.
When we compare the actual frequency from our sample (28 normal successions, 8 former CEO/chairs) to the expected frequency from our anticipated succession control sample, the chi-square is 13.
The expected frequency ratio of carnivores to herbivores was compared to the observed frequency ratio and subjected to the G-test goodness of fit test.
He finds that there exists a much higher than expected frequency of zeros and lower than expected proportion of nines in the second earnings position.
Observed frequency of heterozygotes and expected frequency of hemozygotes were computed to assess genetic variability in the four Iranian native cattle breeds.
When a uniform distribution is assumed for all possible incubation periods, the expected frequency for a day x as the incubation period is either 0 or 1/(total number of possible days).
The percentage of relative error was calculated using the absolute value of the discrepancy, divided by the expected frequency, multiplied by 100.
Multi-year discounting depends on a number of factors, including the insured's size, risk retention and the expected frequency and severity of loss.
Due to the expected frequency of changes required, employers seek faster, more cost-effective ways to update and communicate critical employee benefit and legislative changes.
When elevated levels of arsenic are detected, Health Canada may conduct an assessment to determine if the specific level poses a health risk based on the level, the expected frequency of exposure and the contribution to overall diet.
for each cell of the 7 x 7 matrices), the expected frequency of occurrence was calculated by multiplying the observed fractions of both test results in the corresponding classes with the total number of test results.

Full browser ?