Mathematics, 12.09.2019 02:30 Alexisgrab

Exhibit 2-1 the numbers of hours worked (per week) by 400 statistics students are shown below. number of hours frequency 0x10 20 10x20 80 20x30 200 30x40 100 refer to exhibit 2-1. the percentage of students working between 10 and 20 hours is
a. 80%
b. 20%
c. 25%
d. 75%

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Exhibit 2-1 the numbers of hours worked (per week) by 400 statistics students are shown below. numbe...