The statistical hypotheses for one-sample t- tests take one of the following forms, depending on whether your research hypothesis is directional or nondirectional. In the equations below m 1 refers to the population from which the study sample was drawn; m is replaced by the actual value of the population mean. The statistical hypotheses are identical to those used for one-sample Z tests.
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There was no indication of symptoms of emotional numbing. She reflected that “life goes on” and is generally happy whilst at home. She did not describe any loss of interest in her previous hobbies of knitting and sewing, but does feel frustrated that her social life has been affected on account of her driving anxiety.