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Chapter 4. The One-Sample t-Test - Pg. 55

C H A P T E R 4 The One-Sample t-Test 4.1 4.2 4.3 4.4 Introduction ............................................................................................. 55 Synopsis .................................................................................................... 55 Examples .................................................................................................. 56 Details & Notes ....................................................................................... 63 4.1 Introduction The one-sample t-test is used to infer whether an unknown population mean differs from a hypothesized value. The test is based on a single sample of `n' measurements from the population. A special case of the one-sample t-test is often used to determine if a mean response changes under different experimental conditions by using paired observations. Paired measurements most often arise from repeated observations for