Question
A day care teacher took a random sample of 14 children between the ages of 0 and 24 months and measured the number of words
A day care teacher took a random sample of 14 children between the ages of 0 and 24 months and measured the number of words that they had in their vocabulary. The data that the teacher collected is given in the table.
Age (in months) | Number of Words |
---|---|
1 | 0 |
3 | 0 |
6 | 0 |
9 | 0 |
11 | 1 |
12 | 2 |
15 | 11 |
17 | 42 |
18 | 49 |
19 | 63 |
20 | 95 |
21 | 100 |
22 | 127 |
24 | 200 |
Part A: Would a scatter plot or line graph be more appropriate for displaying and describing the relationship between the age and the number of vocabulary words? Explain your reasoning. (4 points) Part B: If you were to add an outlier to the graph, describe the data point and what it represents in the real-world situation. (4 points) Part C: Describe the type and degree of association between age and number of vocabulary words. (4 points)
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