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Discover the value of test statistic using two-tail 'Z' distribution as well as interpret the result

A researcher is attentive in whether social assertiveness might be influenced by training procedures. Two groups of college sophomores are arbitrarily selected. Group a subjects are assigned to the 'training sessions' and Group B subjects don't receive the training. Both groups are given a Social Assertiveness test (higher scores indicate greater assertiveness). The results are the subsequent-

Group A:

14

11

10

10

8

6

5

9

7

9

10

9

7

8

9

10

11

Group B:

12

10

10

8

7

6

4

2

5

4,

6

3

8

6

5

4

 

Perform the suitable statistical test to determine if there is a statistical difference between the two groups at the 0.05 level.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921314

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