Below data carries the cost of electrictity during july 2009 for a random sample of 50 one - bedroom apartment in a large city. Construct a histogram and a percentage ploygon. Construct a comulative...

Below data carries the cost of electrictity during july 2009 for a random sample of 50 one - bedroom apartment in a large city. Construct a histogram and a percentage ploygon. Construct a comulative percentage polygon. Around what amount does the monthly electicity cost seem to be concentrated