Answered step-by-step130 adults with gum disease were asked the number of times per week...
130 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below:
| # of times floss per week | Frequency | Relative Frequency | Cumulative Frequency |
|---|---|---|---|
| 0 | 20 | 0.1538 | 20 |
| 1 | 14 | 0.1077 | 34 |
| 2 | 19 | 0.1462 | 53 |
| 3 | 11 | 0.0846 | 64 |
| 4 | |||
| 5 | 17 | 0.1308 | 97 |
| 6 | 18 | 0.1385 | 115 |
| 7 | 15 | 0.1154 | 130 |
a. Complete the table (Use 4 decimal places when applicable)
b. What is the cumulative relative frequency for flossing 7 times per week? %
Answer & Explanation
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