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The following study was published in the LA Times in 2009. Women in strained marriages are more likely than other wives to have high blood

  1. The following study was published in the LA Times in 2009.

“Women in strained marriages are more likely than other wives to have high blood pressure and other risk factors for heart disease, researchers said today.

Researchers at the University of Utah studied more than 300 couples who had been married for more than 20 years. Each couple answered questions about their relationship and mental state and took lab tests.”

  1. Identify the population and the sample.
  2. Was this an experimental or observational study?

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