x = c(1:10) t.test(x)
x = c(65, 78, 88, 55, 48, 95, 66, 57, 79, 81) t.test(x, mu=75)
x = c(51,50,49,43,56,46,45,32,52,51) t.test(x, mu=50) # t=-1.1941, p=0.263
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