Respuesta :

Answer:

mean=256229+253657+218747+246163+235626+288694+316265+196721+285077+215152+253291+315011+199901+265443+291806+303556+215359+258554+293658+289935÷21

=5198845÷21

=247564.0

=247564 to the next whole number

B.6 times

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