Question: Other research examining the effects of preschool childcare has found that children who spent time in day care, especially high quality day care, perform better on math and language test than children who stay home with their mother. Typical results, for example, show that a sample of n= 25 children who attended day care before starting school had an average score of M= 87 with SS= 1536 on a standardize math test for which the population mean µ=81. Is the sample sufficient to conclude that children with a history of preschool day care are significantly different from the general population? Use a two tailed test with a=.01

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