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This is problem number 73 from section 9 .3.
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This problem is talking about healthy bones and that the rda, the recommended daily allowance of women, they are recommending that women between ages of 18 and 24 get 1 ,200 milligrams of calcium.
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However, they believe that this intake is actually less of what really happens.
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They did a study.
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They took a random sample of 36 women, and they put all that data in the mini tab, and you have the outputs there.
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They actually ran the test for you in the second box.
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And then they asked us three questions.
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So question letter a, determine whether there's any outliers.
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And this is sort of a review from way earlier in this book.
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So if you remember that you have an outlier rule.
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The outlier rule is 1 .5 times the iqr.
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Now iqr, that is q3 minus q1.
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That's a range.
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Q3 minus q1.
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So we are going to go 1 ,090 .5 minus 632 .3 .3.
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And i will get an iqr of 458 .2.
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Then, to find out my 1 .5 times iqr rule, we're going to go 458 .2.
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We're going to take the iqr.
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We're going to multiply that by 1 .5, and i get 687 .3.
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Now, to find out if there's any outliers, we're going to take that value, and we are going to subtract from q1.
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To get a love point.
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So anything below that mark is an outlier.
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And then we're going to take the 687 .3.
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We're going to add it to q3 and say, hey, any value above that one is going to be an outlier.
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So let's start off here.
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With q1 is 632 .3.
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We're going to subtract out that 1 .5 rule.
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So 687 .3.
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And we end up with negative now they tell me my minimum value is 374.
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So there's no low outlier.
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No low outlier.
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And then we're going to do the same thing for the high end.
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We're going to take q3 and we're going to add in that 1 .5 rule.
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And this is going to give me 17777 .8.
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My maximum value here is 1 ,425.
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You see it in the box there.
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So there's no high outliers.
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So there's no outliers here.
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So now moving on to part b.
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Interpret the p value in context.
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Now they tell me in that middle box, or that second box, that the p value, all the way at the end there is 0 .000...