Medical research has shown that repeated wrist extension beyond 20 degrees increases the risk of wrist and hand injuries. Each of24 studentsat a university used a proposed new computer mouse design. While using the mouse, each student's wrist extension was recorded. Data consistent with summary values in a paper are given.

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Use these data to test the hypothesis that the mean wrist extension for people using this new mouse design is greater than20 degrees.

Find the test statistic andP-value. (Use= 0.05.

Use technology to calculate theP-value.Round your test statistic to two decimal places and yourP-valueto three decimal places.)

t=P-value=