A community psychologist selects a sample of 16 local police officers to test whether their physical...

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A community psychologist selects a sample of 16 local police officers to test whether their physical...

A community psychologist selects a sample of 16 local police officers to test whether their physical endurance is better than the median score of 72. She measures their physical endurance on a 100-point physical endurance rating scale.

Performance Scores
84	78	87	81
85	86	93	66
75	76	77	95
65	56	70	92

Based on the data given above, compute the one-sample sign test at a 0.05 level of significance.
x =

math Statistics-And-Probability

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Answer 1

Answer #1

Solution:-

=> median = 72.00, versus ? 72.00

X = no. of values above than 72.

There fore X = 12

=> p-valu is greater than 0.05

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Answer 2

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