A study claims that the mean income of Badjaos per day is Php 100.00.However, in a sample of 20 Badjaos randomly asked about their income per day showed an average of 110.00 and a standard deviation of 20 pesos. Is there enough evidence proving that the average of money collected by the badjao per day is less than PHp 100.00 if the computed t-value is -2.24 and the computed critical value is -1.729 at ∂ = 5% level of significance? Null Hypothesis= ____ Alternative Hypothesis = ____ Standard Devatiion = ____ Test of Statistics: ____ Population Mean = ____ Sample Size = ____

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