The following table gives the electricity usage (in kilowatt hours) for the peters family for six months.
month jan feb. mar apr may jun.
# of kwh 948.5 1172.4 834.7 926.4 867.1 1003.9
what is the average electricity usage for the months february through may?
o a. 948. 16 kwh
o b. 950.94 kwh
o c. 947.132 kwh
o d. 950.15 kwh

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