A researcher would like to determine if meditation training will affect anxiety-related distress among a group...

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A researcher would like to determine if meditation training willaffect anxiety-related distress among a group of participants. Fora week prior to training, each participant records the number oftimes they feel anxious. Participants then receive meditationtraining and for the week following training the number of timesthey feel anxious is again measured. The data are as follows:
BeforeÂ Â Â Â Â After
8Â Â Â Â Â Â Â Â Â Â Â Â 5
7Â Â Â Â Â Â Â Â Â Â Â Â 2
5Â Â Â Â Â Â Â Â Â Â Â Â 4
5Â Â Â Â Â Â Â Â Â Â Â Â 2
8Â Â Â Â Â Â Â Â Â Â Â Â 3
4Â Â Â Â Â Â Â Â Â Â Â Â 2
6Â Â Â Â Â Â Â Â Â Â Â Â 4
6Â Â Â Â Â Â Â Â Â Â Â Â 3
a. Compute the mean and sum of the squared deviations for thesample of difference scores.
b. Do the results indicate a significant difference? Use atwo-tailed test with Î± = .05.
c. Compute Cohenâ€™s d to measure the size of theeffect.

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From the sample data it is found that the corresponding samplemeans areXbar after 6125Xbar before 3125Also the provided sample standard deviations ares1 1458 and s2 1126and the sample size is n 8 For See Answer

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