When people learn a new task, their performance usually improves when they are tested the next day, but only if they get 6 hours sleep (Sticckgold, et al., 2000). The following data demonstrate this phenomenon.  The participants learned a visual discrimination task on one day.  Half of the participants were allowed to have at least 6 hours of sleep and the other half were kept awake all night.                                         6 hours sleep                                   No sleep                                            n =14                                                  n = 14                                           M = 72                                                M =65                                           SS = 932                                            SS = 706 Will the 6-hour sleep show a much higher performance rate? This time use a one-tail with alpha = .05    Show all of the steps. Remember to use the attached t-distribution chart when obtaining your critical region. Please answer the question using all of the steps: null in word, alternative in words, null in symbols, alternative in symbols, critical region t,  df,  all steps in the analysis computing your independent computed t, make a decision, and give a conclusion.

When people learn a new task, their performance usually improves when they are tested the next day, but only if they get 6 hours sleep (Sticckgold, et al., 2000). The following data demonstrate this phenomenon.  The participants learned a visual discrimination task on one day.  Half of the participants were allowed to have at least 6 hours of sleep and the other half were kept awake all night.  

                                      6 hours sleep                                   No sleep

                                           n =14                                                  n = 14

                                          M = 72                                                M =65

                                          SS = 932                                            SS = 706

Will the 6-hour sleep show a much higher performance rate? This time use a one-tail with alpha = .05    Show all of the steps.

Remember to use the attached t-distribution chart when obtaining your critical region.

Please answer the question using all of the steps: null in word, alternative in words, null in symbols, alternative in symbols, critical region t,  df,  all steps in the analysis computing your independent computed t, make a decision, and give a conclusion.

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