Using an interval width of 5, complete the rest of the intervals below and then

Question

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%

Explanation / Answer

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

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