Use the first two columns of the frequency distribution below to answer the questions. a. Determine the class width. b. How many participants were involved in this study? c. What percentage of the participants were in the 3rd class (15–19 lbs)?
Use the first two columns of the frequency distribution below to answer the questions.
a. Determine the class width.
b. How many participants were involved in this study?
c. What percentage of the participants were in the 3rd class (15–19 lbs)?
d. How many participants lost more than 19 pounds?
e. What percentage of the participants lost more than 19 pounds? Do not round your answer.
f. How many participants lost less than 25 pounds?
g. What percentage of the participants lost less than 25 pounds? Do not round your answer.
Class Limits Frequency
| Weight Lost | Number of people |
| 5-9 | 8 |
| 10-14 | 14 |
| 15-19 | 24 |
| 20-24 | 16 |
| 25-29 | 12 |
| 30-34 | 6 |
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d. How many participants lost more than 19 pounds?
e. What percentage of the participants lost more than 19 pounds? Do not round your answer.
f. How many participants lost less than 25 pounds?
g. What percentage of the participants lost less than 25 pounds? Do not round your answer.
Class Limits Frequency
| Weight Lost | Number of people |
| 5-9 | 8 |
| 10-14 | 14 |
| 15-19 | 24 |
| 20-24 | 16 |
| 25-29 | 12 |
| 30-34 | 6 |
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