Question
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
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 95, the mean is 8.21. In the other sample, of size 32, the mean is 12.05.
Calculate the mean based on the combined sample. Give your answer correct to two decimal places. (Do NOT include the '' sign in your answer.)
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Numerical Algebra Matrix Theory Differential Algebraic Equations And Control Theory
Authors: Peter Benner, Matthias Bollhöfer, Daniel Kressner, Christian Mehl, Tatjana Stykel
1st Edition
3319152602, 9783319152608
