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Tessa wants to crochet a blanket for her new baby cousin. Her pattern calls for 900 yards of

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1 answer:

vladimir1956 [14]2 years ago

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Answer:

Step-by-step explanation:

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Answer:

Elanor's standardized score is 1.19
Gerald's standardized score is 0.72
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Step-by-step explanation:

To compare Elanor's and Gerald's math scores, we need to standardize them and calculate their z-scores.

z score can be calculated using the formula

z= $\frac{X-M}{s}$ where

X is the student's score

M is the mean score of the exam

s is the standard deviation of the exam

Elanor's standardized score is:

z(e) = $\frac{680-554}{106}$ ≈ 1.19

Gerald's standardized score is:

z(g)= $\frac{27-24.7}{3.2}$ ≈ 0.72

Since z(e) > z(g), Elanor has higher score

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