Results of a new poll administered by PPP (D) were announced. The poll asked interviewees from West Virginia for whom they will vote: Donald·Trump or Hillary·Clinton.
PPP (D) poll results
The results show that 30.0% of participants would give their vote to former Secretary of State Hillary Clinton, while 57.0% are going to vote for real estate developer Donald Trump.
The poll was carried out from April 29 to May 1 with 1201 likely voters. There is a sampling error of +/-2.8 percentage points. Considering this error margin, the gap between both candidates is statistically significant.
Putting the results in context
In general, however, a good strategy is to not have too much faith in the results of single polls, because they can contain large errors. Rather than trusting the results from single polls, one should rely on combined polls or, even better, the combined PollyVote forecast that relies on different methods and data.
For the following comparison, we translate Trump's and Clinton's raw poll numbers into two-party vote shares. This procedure results in figures of 34.5% for Clinton and 65.5% for Trump. In the most recent PPP (D) poll on September 11 Clinton obtained 65.5%, while Trump obtained only 0.0%.
The poll compared with PollyVote's prediction
The most recent PollyVote forecasts Trump to gain 62.1% of the two-party vote in West Virginia. That is, the PollyVote forecast is 3.4 points below his polling numbers. Again, a look at the poll's margin of error shows that this difference is significant.