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Stat 133 Autumn 2007
NAME Allison Heck
Homework #3 (10 points)
Due Tuesday October 23 (beginning of recitation)
Please USE this Word file to write by hand or type your answers for this homework.
Write your final answers in the blanks when provided. When asked to explain your
answer, use 12 sentences ONLY. Include computer output where requested. Each
problem is worth the same number of points. Five problems will be graded at random for
2 points each.
For problems 16 show computer output where appropriate:
1. #2.13 on page 99, part a.
140
190
240
290
340
390
440
490
540
105
115
125
135
145
155
165
175
185
195
Calories
Sodium
This is a strong, positive, linear relationship. Hot dogs that are high in calories are
generally high in salt.
2. #2.13 on page 99, part b.
“Eat Slim Veal Hot Dogs” is brand #13 because the point with 107 calories and 144 mg of
sodium is an outlier.
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View Full Document3. #2.68 on page 141, part a. (The outlier is the point identified in problem 3 above.)
y = 3.2117x  91.185
R
2
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 Fall '07
 rumseyjohnson

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