A veterinarian collects data on the number of times

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A veterinarian collects data on the number of times race horses are raced during their career. The researcher finds the average number of races a horse enters is = 15.3 with a standard deviation of s = 6.8 in a sample of n = 20 horses. The standard error of the sample mean is given by (rounded to three digits):

0.358.

1.560.

1.521

0.340.

 

Reference no: EM13994903

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