Sentences with phrase «normal sample error»

This probably doesn't reflect a Lib Dem recovery just yet — the fieldwork was actually carried out before or immediately after Mark Oaten's resignation — it is more likely to be normal sample error or the minor effects of using a different sampling method (the MORI poll in the Sun was a phone poll, this was a face - to - face poll).

The poll was begun before the YouGov poll in the Sunday Times, but there was a substantial overlap in the fieldwork, so the simple explanation for why one YouGov poll shows the Conservative lead static and one show it falling is normal sample error.

I'll urge my usual caution about polls showing movement — sure, it could be the start of a trend, but it could also just be normal sample error.

Both could just be the result of normal sample error.

All this is consistent (given normal sampling error) with the notion that public opinion has not changed — and it is surely inconsistent with PDK's claim that vouchers have gone into «significant decline» in the past few years.

Not exact matches

A new ICM poll in tomorrow's Sunday Telegraph suggests that 39 % of Liberal Democrat voters would prefer to have Charles Kennedy back as their leader, while 47 % would still like a new leader (though bearing in mind that this is a normal sized sample, the sub-sample of Lib Dem voters is so small that the margin of error on the question will be huge.)

Lab Technician II — TRL Plasma Laboratories — January 2013 — Present • Monitor the heat sealing and aseptic sampling of plasma units; place units of plasma into freezer in timely manner in order to ensure quality of product • Label plasma samples and units properly and store according to policy; manage an average of 50 different plasma units on a regular basis • Evaluate refrigerator and freezer temperatures ad inform supervisor if equipment is malfunctioning • Maintain efficient and clean work environment and ensure inventory is stocked properly; answer phones and answer questions or transfer calls to appropriate departmentLab Technician I — ABC Medical Technologies, Inc. — May 2007 — January 2013 • Operated laboratory equipment, such as cell counters and microscopes, to analyze urine, blood, and tissue samples; recorded both normal and abnormal findings; had less than a.1 percent margin of error in sample findings • Used computerized instruments and automated equipment to perform multiple tests at one time; maintained calibration and proper function of equipment on a regular basis • Entered data from tests into physician reports; discussed abnormal results with supervisor and re-ran tests before logging data into patient's medical record

Also, we used advanced statistical methods to test multiple mediation, methods that are well - suited to smaller sample sizes, do not rely on the assumption of a normal sampling distribution, and limit the number of inferential tests so that the likelihood of Type 1 error is reduced (MacKinnon et al., 2002; Preacher & Hayes, 2004; Shrout & Bolger, 2002).

Item parcels generally lead to more parsimonious models, reduce the chances for double loadings to occur, diminish the impact of the various sources of sampling error, and are less likely than individual items to violate the assumption of normal distribution (e.g., Little et al. 2002).