18 August, 23:07

# In your class, 77 students do not receive a weekly allowance, 55 students receive \$3\$3, 77 students receive \$5\$5, 33 students receive \$6\$6, and 22 students receive \$8\$8. What is the mean weekly allowance?

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Answers (1)
1. 18 August, 23:21
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The mean can be calculated by adding all the summation of numbers and divide it by how many total numbers there are, such as shown below:

Add total allowances = \$0 (for 77 students) + \$3 (for 55 students) + \$5 (for 77 students) + \$6 (for 33 students) + \$8 (for 22 students)

Total allowances=\$0+\$3+\$5+\$6+\$8 = \$22

Total # of students = 77 + 55 + 77 + 33 + 22 = 264 students

Mean=Total allowances/total students

Mean=\$22/264

Mean = \$0.0833
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