The manager at a water park constructed the following frequency distribution to summarize attendance in July and August Attendance Frequency 1,000 < x < 1,250 7 1,250 < x < 1, 500 5 1,500 < X < 1,750 11 1,750 < X < 2,000 8 2,000 < X < 2,250 10 2,250 < x < 2,500 4 a-1. construct the corresponding relative frequency distributions Attendance Relative Frequency 1,000 < x < 1,250 1,250 < x < 1, 500 1,500 < X < 1,750 1,750 < X < 2,000 2,000 < X < 2,250 2,250 < x < 2,500 a-2. what portion of the time was attendance at least 1,250 but less 1500 people? a-3. what portion of the time was attendance at least 1,500 people?
The manager at a water park constructed the following frequency distribution to summarize attendance in July and August
|
Attendance |
Frequency |
|
1,000 < x < 1,250 |
7 |
|
1,250 < x < 1, 500 |
5 |
|
1,500 < X < 1,750 |
11 |
|
1,750 < X < 2,000 |
8 |
|
2,000 < X < 2,250 |
10 |
|
2,250 < x < 2,500 |
4 |
|
|
|
a-1. construct the corresponding relative frequency distributions
|
Attendance |
Relative Frequency |
|
1,000 < x < 1,250 |
|
|
1,250 < x < 1, 500 |
|
|
1,500 < X < 1,750 |
|
|
1,750 < X < 2,000 |
|
|
2,000 < X < 2,250 |
|
|
2,250 < x < 2,500 |
|
|
|
|
a-2. what portion of the time was attendance at least 1,250 but less 1500 people?
a-3. what portion of the time was attendance at least 1,500 people?
a-4. what portion of the time was attendance at least 1,500 or more?
- which statement is correct regarding the shape of distribution using a histogram?
- The distribution is relatively symmetric
- The distribution is positively skewed
- The distribution is negatively skewed
- Symmetry or skewness cannot be determined with the available information
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