Statistical Terms Glossary

Allows a telephone user to participate in conference sessions.

<communications> (VoIP) Any technology providing voice telephony services over IP connections. The IMTC's Conferencing over IP Activity Group is trying to standardise this around H.323.

Synonymous with IP telephony and voice over IP (VoIP), in which a digital voice stream is broken up into small chunks (packets) and transmitted over a packet-switched network.

A stored digital model of an individual’s voice, used for identification purposes.

numbers of minutes of this movement by using volptelephouy by fixed manged internet VoIP server its public telephouy to make call where the oprator controls the equality of the service provided excluding mutual movement using VoIP basis on software where calls appears by computers have nit prorate number.

A stock that changes in a manner inconsistent with changes in the rest of the market.

Volatility is a measure of the risk or uncertainty faced by participants in financial markets. It can be measured either from the past variation of asset prices.

The ratio by which overall changes in the stock market influence changes in a specific stock.

In national accounts figures that refer to the value of a transaction in the numeraire of the base year. Volume figures are quality adjusted.

A volume index is most commonly presented as a weighted average of the proportionate changes in the quantities of a specified set of goods or services between two periods of time; volume indices may also compare the relative levels of activity in different countries (e.g. those calculated using PPPs).

A volume index of capital services measures the flow of services into the production process from the different types of assets included in the capital stock

The volume of buildings is the total volume included between the outer surface of the outer walls measured from the level of the lowest storey to the roof of the building.

The similarity of the structure of quantities between any pair of countries is measured by the correlation coefficient that is obtained by regressing the internal quantity structure of one country against the corresponding internal quantity structure of the other country.

Volumes at constant exchange rates of period t0 are series at constant domestic prices (reference year t0) converted to a common currency by way of constant exchange rates of period t0.

Volumes at constant exchange rates of period t-1 are series at constant domestic prices (reference year t-1) converted to a common currency by way of constant exchange rates of period t-1.

An extra contribution paid in addition to the mandatory contribution a member can pay to the pension fund in order to increase the future pension benefits.

Voluntary export restraints (VER) are arrangements between exporting and importing countries in which the exporting country agrees to limit the quantity of specific exports below a certain level in order to avoid imposition of mandatory restrictions by the importing country. The arrangement may be concluded either at the industry or government level.

The establishment of these plans is voluntary for employers (including those in which there is automatic enrolment as part of an employment contract or where the law requires employees to join plans set up on a voluntary basis by their employers). In some countries, employers can on a voluntary basis establish occupational plans that provide benefits that replace at least partly those of the social security system. These plans are classified as voluntary, even though employers must continue sponsoring these plans in order to be exempted (at least partly) from social security contributions.

Participation in these plans is voluntary for individuals. By law individuals are not obliged to participate in a pension plan. They are not required to make pension contributions to a pension plan. Voluntary personal plans include those plans that individuals must join if they choose to replace part of their social security benefits with those from personal pension plans.

Bilateral arrangement whereby an exporting country (government or industry) agrees to reduce or restrict exports without the importing country having to make use of quotas, tariffs or other import controls.

Lending that is made willingly, as opposed to lending where the lender has some sort of obligation to lend or else the borrower will not reimburse previous loans.

A crop plant regenerated from seed or vegetative propagules left after a previous harvest and which can act as a weed in the present crop.

The person in volunteer work are who performed any unpaid activity, non compulsory activity to produce goods or provide services for others, it includes work done through, or for, self help, mutual aid or community based groups of which volunteer is a member, which transportation allowance or meals or gifts that offered to volunteer are not considered as wage, and unpaid work required as part of education or training programmers are excluded from volunteer work.

Voting stocks are equity/shares that give voting rights to the holder. These can either be “listed voting stocks” (that is, equity/shares that are listed on an official stock exchange), or “unlisted voting stock” (that is, equity/shares that are not listed on a official stock exchange

Physically, mentally or socially disadvantaged persons who may be unable to meet their basic needs and may therefore require specific assistance.