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5 Cards in this Set
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in the above Fictitious data for caffeine intake on low birth weight babies, looking at the p values, and use alpha = .05
looking at drinking 1-150 mg of coffee per day, should we accept or reject the null hypothesis? |
accept the null hypothesis
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in the above Fictitious data for caffeine intake on low birth weight babies, looking at the p values, and use alpha = .05
looking at drinking 151-300 mg of coffee per day, should we accept or reject the null hypothesis? |
reject the null hypothesis because .04 is less than .05 (our alpha)
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in the above Fictitious data for ethnicity on low birth weight babies, looking at the p values, and use alpha = .05
looking at nonwhite ethnicity: 1. what is the null hypothesis 2. do we accept or reject the null hypothesis? |
1. being nonwhite does not contribute to low birthrate babies
2. reject the null hypothesis |
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in the above Fictitious data for caffeine intake on low birth weight babies, looking at the confidence intervals:
look at >=300 mg coffee per day, should we reject or accept the null hypothesis? and why: |
reject
the null hypothesis is outside the confidence interval |
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in the above Fictitious data for caffeine intake on low birth weight babies, looking at the confidence intervals:
look at 1-150 mg coffee per day, should we reject or accept the null hypothesis? and why: |
accept the null hypothesis
the null hypothesis is contained in the confidence interval then the null hypothesis is true, accept it. The results are not statistically significant. |
