Investigating how much the 5 pence minimum charge on local calls increases the cost of making local calls.

... MEI Statistics 1 coursework Investigating how much the 5 pence minimum charge on local calls increases the cost of making local calls. Aim The aim of this coursework is to discover how much the 5 pence minimum charge (to quote BT: 'the minimum charge for each call remains at 5p inclusive of VAT') on local calls increases the cost of making local calls. This information would then be used to ascertain whether moving to a telephone operator without a minimum fee would be a good idea. If moving would save money, then it would be worth doing. Certainly, looking over the current bill, it seems like there are many calls less than 5 minutes (as local rates are 1 pence per minute during the evening and weekend and the phone is always switched off during the daytime). Data Collection The population is the entirety of local calls made during 3-month period. This population is

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