5. Calico Pizza sells cola in three sizes: small, medium and large. The small size costs $0.50, the medium $0.75 and the large $1.00. Yesterday 20 small, 50 medium and 30 large colas were sold. What was the weighted mean price per cola? 6. A student scored 90 on the mid-sem exam, 78 on the final exam and 83 on the semester project. If these three components are weighted at 35%, 45% and 20% respectively, what is the weighted mean for her course performance?
5. Calico Pizza sells cola in three sizes: small, medium and large. The small size costs $0.50, the medium $0.75 and the large $1.00. Yesterday 20 small, 50 medium and 30 large colas were sold. What was the weighted
6. A student scored 90 on the mid-sem exam, 78 on the final exam and 83 on the semester project. If these three components are weighted at 35%, 45% and 20% respectively, what is the weighted mean for her course performance?
7. The monthly inflation rates of a particular country for five successive periods are as follows: 11.5%, 9.1%, 10.2%, 9.7% and 10.1%. Calculate the geometric mean from the distribution.
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7. The monthly inflation rates of a particular country for five successive periods are as follows: 11.5%, 9.1%, 10.2%, 9.7% and 10.1%. Calculate the geometric mean from the distribution.
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