Question

DHL recently selected a random sample of packages and weigh them. The weights for the samples...

DHL recently selected a random sample of packages and weigh them. The weights for the samples are given below.

  1. Use Excel to develop a frequency distribution using classes having equal widths.
  2. Use Excel to develop a relative frequency and a cumulative relative frequency distribution for the weights using the same classes created in part b.
  3. What percent of the sampled crates have weights greater than 96 pounds?
DHL
89
91
86
93
94
91
95
83
84
92
80
88
87
79
97
89
92
93
95
89
94
101
87
88
77
87
89
86
86
93
88
98
99
96
92
89
86
92
94
98
88
94
86
90
86
95
90
94
85

Note: please attach screenshots of answers in excel with explanation.

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

a and b)

Range frequency cumulative frequency relative frequency
77 to 81 3 3 0.06
82 to 86 9 12 0.18
87 to 91 16 28 0.33
92 to 96 16 44 0.33
97 to 101 5 49 0.10

c)

For weights greater than 96, we do have 5 such values out of 49.

The percentage comes around 10%.

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