Using an interval width of 5 complete the rest of the interv
Using an interval width of 5, complete the rest of the intervals below and then record the frequency (f), proportion (p) and percent (%).
Here is the data...
41 57 60 61 62 62 63 63 64
64 64 65 68 68 69 69 69 70
70 72 72 78 79 80 82 85
(a) =
(b) =
(c) =
(d) =
(e) =
(f) =
(g) =
(h) =
| Interval | Frequency (f) | Proportion(p) | Percent (%) | 
| (a) | (b) | (c) | (d) | 
| (e) | (f) | (g) | (h) | 
| 75-79 | 2 | .08 | 8% | 
| 70-74 | 4 | .15 | 15% | 
| 65-69 | 6 | .23 | 23% | 
| 60-64 | 9 | .35 | 35% | 
| 55-59 | 1 | .04 | 4% | 
| 50-54 | 0 | 0 | 0% | 
| 45-49 | 0 | 0 | 0% | 
| 40 - 44 | 1 | .04 | 4% | 
Solution
The table showing the filled up data is given below with answers for a, b,c...
| Interval | Frequency | proportion | percent% | 
| 40-44 | 1 | 0.0384615 | 3.846154 | 
| 45-49 | 0 | 0 | 0 | 
| 50-54 | 0 | 0 | 0 | 
| 55-59 | 1 | 0.0384615 | 3.84615 | 
| 60-64 | 9 | 0.3461535 | 34.61535 | 
| 65-69 | 6 | 0.230769 | 23.0769 | 
| 70-74 | 4 | 0.153846 | 15.3846 | 
| 75-79 | 2 | 0.076923 | 7.6923 | 
| 80=84 | 2 | 0.076923 | 7.6923 | 
| 85-89 | 1 | 0.0384615 | 3.84615 | 
| Total | 26 | 0.999999 | 99.9999 | 

