4. A new program of imagery training is used to improve the performance of basketball players shooting free-throw shots. The first group did an hour imagery practice, and then shot 30 free throw basket shots with the number of shots made recorded. A second group received no special practice, and also shot 30 free throw basket shots. The data are below. Did the imagery training make a difference? Set alpha = .05 and do a two-tailed test. M1 = 21.67 M2 = 12.33 %3D s²1 = 25.47 s22 = 39.47 ni = 6 n2 = 6 %3D

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4. A new program of imagery training is used to improve the performance of
basketball players shooting free-throw shots. The first group did an hour imagery
practice, and then shot 30 free throw basket shots with the number of shots made
recorded. A second group received no special practice, and also shot 30 free throw
basket shots. The data are below. Did the imagery training make a difference? Set
alpha = .05 and do a two-tailed test.
M1 = 21.67
M2 = 12.33
s21 = 25.47
s22 = 39.47
%3D
ni = 6
n2 = 6
Transcribed Image Text:4. A new program of imagery training is used to improve the performance of basketball players shooting free-throw shots. The first group did an hour imagery practice, and then shot 30 free throw basket shots with the number of shots made recorded. A second group received no special practice, and also shot 30 free throw basket shots. The data are below. Did the imagery training make a difference? Set alpha = .05 and do a two-tailed test. M1 = 21.67 M2 = 12.33 s21 = 25.47 s22 = 39.47 %3D ni = 6 n2 = 6
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