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A researcher wants to test if there is a significance difference between the BMI of regular sugary beverage drinkers in
Posted: Thu May 05, 2022 8:58 pm
by answerhappygod
- A Researcher Wants To Test If There Is A Significance Difference Between The Bmi Of Regular Sugary Beverage Drinkers In 1 (43.07 KiB) Viewed 36 times
A researcher wants to test if there is a significance difference between the BMI of regular sugary beverage drinkers in 2010 (mean BMI = 26.5, reported by the National Health Survey, regular sugary beverage drinker defined as at least 1 sugary beverage drink daily) and in 2015. In December of 2015, the researcher collected a sample of 120 regular sugary beverage drinkers, she measured their BMIs and found that the average BMI was 29 with a standard deviation of 3. Which one of the following conclusions is INCORRECT? O After conducting the hypothesis testing procedure, the conclusion should be to accept (or fail to reject) the null hypothesis. O The null hypothesis is that the BMI of regular sugary beverage drinkers in 2010 does not differ from that in 2015. The critical test statistic is t = 1.960. O The obtained test statistic is t = 9.129.