PSY 520 -- Topic 5 Exercise

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Question # 00722904 Subject Statistics Topic Data Analysis Tutorials:
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Topic 5 Exercise.

13..6 It's well established, we will assume, that lab rats require an average of 32 trails in a comple water maze before reaching a learning criterion of three error--less trails.  To determine whether a mildly adverse has any effect on performance, a sample of seven lab rats were given a mild electrical shock just before each trail.

(a) Given that X-34.and s= 3.02, test the null hypothesis with t, using the .05 level of signifiance.

(b)  Construct a 95 percent confidence interval for the true number of trials required to learn the water maze

(c) Interpret this conference interval

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