Question: A matched case control study was conducted to study the relationship between stroke and oral contraceptive use in women aged 18 to 44 years of

  1. A matched case control study was conducted to study the relationship between stroke and oral contraceptive use in women aged 18 to 44 years of age. Within each pair, a case and a control were assessed for exposure to oral contraceptives. The following data were observed. What conclusion should you make about the test?

Case

Exposed

Unexposed

Control

Exposed

2

5

Unexposed

44

55

  1. Because the test statistic of 29.47 exceeds the critical value of 3.84, we reject the null hypothesis and conclude that there is enough evidence to suggest that oral contraceptive use and stroke are associated.
  2. Because the test statistic of 29.47 exceeds the critical value of 3.84, we fail to reject the null hypothesis and conclude that there is enough evidence to suggest that oral contraceptive use and stroke are associated.
  3. Because the test statistic of 29.47 exceeds the critical value of 3.84, we fail to reject the null hypothesis and conclude that there is not enough evidence to suggest that oral contraceptive use and stroke are associated.
  4. Because the test statistic of 29.47 exceeds the critical value of 3.84, we reject the null hypothesis and conclude that there is not enough evidence to suggest that oral contraceptive use and stroke are associated.
  5. Because the test statistic of 3.84 is smaller than the critical value of 29.47, we fail to reject the null hypothesis and conclude that there is not enough evidence to suggest that oral contraceptive use and stroke are associated.

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