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The problem shows two data sets, R and S, represented by dot plots, with a partially filled sentence: 

**"The center of Data Set R is ___ than the center of Data Set S. The spread of Data Set R is ___ than the spread of Data Set S."**

### To solve:
1. **Center**: The center of a data set usually refers to the median or mean. For Data Set R, the center looks like it is around 78 or 79. For Data Set S, the center appears to be around 74 or 75. So, the center of Data Set R is *higher* than the center of Data Set S.
   
2. **Spread**: The spread of a data set refers to how spread out the data points are. Data Set R appears to have a narrower range (it clusters around 75–81), while Data Set S has a broader range (spanning from 66 to 86). Therefore, the spread of Data Set R is *less* than the spread of Data Set S.

### Completed sentence:
**"The center of Data Set R is higher than the center of Data Set S. The spread of Data Set R is less than the spread of Data Set S."**

Let me know if you'd like further details or explanation!

### Follow-up questions:
1. How do you determine the center (mean, median, or mode) for a data set?
2. How can you measure the spread of a data set using standard deviation or range?
3. What is the difference between interquartile range and full range in a data set?
4. How does the shape of the distribution (e.g., symmetric vs skewed) affect the center?
5. In what situations would the median be a better measure of center than the mean?

**Tip**: Always observe the range and clustering of data points when comparing two distributions visually.

Based on the two data sets represented below, complete the following sentences: 'The center of Data Set R is ___ than the center of Data Set S. The spread of Data Set R is ___ than the spread of Data Set S.'

Analyze and compare the center and spread of two data sets, R and S, using dot plots. Understand how to determine the central tendency (mean/median) and the spread (range) of data distributions.

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