Problem solving template n = df1 + df2 M1= M2= μ1-μ2 = 0 SS1 + SS2= s2p = S(M1-M2) =   State the hypothesis s and select alpha (consider one tailed or two tailed) Sate hypothesis in words:             Null stated in words:             Alternative stated in words: State hypothesis in symbols: Hₒ: State alternative in symbols: H(square):   2. Locate critical region for stated alpha 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 use the attached t-distribution chart when  obtaining your critical region.

Problem solving template

n =

df₁ + df₂

M₁=

M₂=

μ₁-μ_{2 =} 0

SS₁ + SS₂=

s²_p =

S(_M1-M2) ₌

1. State the hypothesis s and select alpha (consider one tailed or two tailed)

Sate hypothesis in words:

            Null stated in words:

            Alternative stated in words:

State hypothesis in symbols: Hₒ:

State alternative in symbols: H(square):

2. Locate critical region for stated alpha

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