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In 2018 and 2019, Health Canada commissioned two national surveys on the use of cannabis among...

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Basic Math

In 2018 and 2019, Health Canada commissioned two nationalsurveys on the use of cannabis among people aged 20 to 24. Theyfound 175 users out of the 1000 surveyed individuals in 2018 and230 out of the 1100 sample in 2019.

  1. (a) Test the hypothesis that there has been a change in theproportion of cannabis users in the 20-24 age

    group population between 2018 and 2019. Use the critical valueapproach and a 0.05 level of

    significance.

  2. (b) Find the p-value for your result in (a) above.

  3. (c) Calculate a 95% two-sided confidence interval for the truedifference using the data provided.

  4. (d) Explain how the p-value and the confidence interval are orare not consistent with your result in

    part (a) above.

Answer & Explanation Solved by verified expert
4.4 Ratings (708 Votes)
a Test the hypothesis that there has been a change    See Answer
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