Answer to Question #90290 in Statistics and Probability for Sharon Tan

Question #90290
Monthly Expenses (S$) Frequency
0 and less than 150 5
150 and less than 300 8
300 and less than 450 15
450 and less than 600 9
600 and less than 750 17
750 and less than 900 6
Total 60

If 80% of the monthly expenses is below $600, then it indicates that the XYZ has not been overspending. From the above grouped data, would you say that XYZ has been overspending? show your calculation.
1
Expert's answer
2019-05-27T14:30:19-0400
Monthly Expenses (S$)    FrequencyMonthly \ Expenses \ (S \$) \ \ \ \ Frequency  0S<150                   5\ \ 0\leq S<150 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 5150S<300                 8150\leq S<300 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 8300S<450                15300\leq S<450 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 15450S<600                 9450\leq S<600 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 9600S<750                17600\leq S<750 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 17750S<900                 6750\leq S<900 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 6

Total 60 


S<600: 5+8+15+9=37S<600: \ 5+8+15+9=37

80% of 60=48>3780 \% \ of \ 60=48>37

We would say that XYZ has been overspending.



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Comments

Assignment Expert
28.05.19, 10:36

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Sharon Tan
28.05.19, 05:28

Thank you very much for helping for explaining.

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