A school district wishes to estimate the difference in the


A school district wishes to estimate the difference in the proportion of girls who purchase a school lunch and the proportion of boys who purchase a school lunch. Assuming that the conditions for inference are met, which of the following would be appropriate?

  • A paired t interval
  • A two-sample t interval
  • A two proportions z interval
  • A one-sample t interval
  • A one proportion z interval

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