The survey sample included 1,055 adults interviewed in person March 6-10.

The selected household remains in the survey sample for three years, with interviews conducted every six months.

The survey sample is representative of 90 percent of the members of those groups.

Statisticians improve data quality by developing specific experiment designs and survey samples.

The survey sample is not limited to Veeam customers.

Thirty-one percent of the survey sample reported using the Internet on the day before they were surveyed.

It showed that only 35 per cent of the survey sample intended to pursue careers as engineers in industry.

The figures are based on a survey sample, although one with a very high response rate.

In the survey sample, 62 percent of the respondents had household incomes under $35,000.

Half of the total survey sample (50.1%) is male.