Asked by Jay
In a study about children’s pocket money, two samples of schoolchildren were asked how much money they received each week. In one sample, of size 25, the mean is £6.00. In the other sample, of size 43, the mean is £9.21.
Calculate the mean based on the combined sample. Give your answer correct to two decimal places.
Calculate the mean based on the combined sample. Give your answer correct to two decimal places.
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