Pregunta
Lucy is recording the percentages she earned on each quiz in her math class. Here are her results for the last 7 quizzes. \[ 74,64,90,74,92,68,71 \] Find the range of the data set.
Ask by Henry Brooks. in the United States
Mar 18,2025
Solución de inteligencia artificial de Upstudy
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The range of Lucy's quiz scores is 28.
Solución
To find the range of a data set, we follow these steps:
1. **Identify the maximum and minimum values** in the data set.
2. **Calculate the range** using the formula:
\[
\text{Range} = \text{Maximum} - \text{Minimum}
\]
Now, let's apply these steps to Lucy's quiz scores:
The quiz scores are: \( 74, 64, 90, 74, 92, 68, 71 \).
1. **Find the maximum value**:
- The maximum score is \( 92 \).
2. **Find the minimum value**:
- The minimum score is \( 64 \).
3. **Calculate the range**:
\[
\text{Range} = 92 - 64
\]
Now, let's perform the calculation.
\[
\text{Range} = 28
\]
Thus, the range of Lucy's quiz scores is \( 28 \).
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Simplifique esta solución The Deep Dive
To find the range of Lucy's quiz scores, you need to subtract the smallest score from the largest score. First, identify the highest score, which is 92, and the lowest score, which is 64. Now, subtract: Range = Highest Score - Lowest Score Range = 92 - 64 = 28 So, the range of Lucy's quiz scores is 28. And there you have it! The range gives you a measure of how spread out her quiz scores are – a fun little statistic that tells us the variation in performance!
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