Best of the Web Today: ObamaCare's Missing 3.2 Million - WSJ.com: "The Rand Corp. is out with a new study titled "Changes in Health Insurance Enrollment Since 2013," and ObamaCare cheerleaders like Michael Hiltzik of the Los Angeles Times are dancing for joy. "At least 9.3 million more Americans have health insurance now than in September 2013, virtually all of them as a result of the law," Hiltzik crows.
"At least" is misleading. The Rand study extrapolates from a survey of 2,425 nonelderly adults, and the margin of error for the 9.3 million figure is plus or minus 3.5 million, with a 95% confidence interval. Thus it would be more precise to say that Rand estimates the number of uninsured Americans has declined by between 5.8 million and 12.8 million, with only a 1 in 20 chance that the actual number is outside this range."
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