Question: A random sample of 12 financial analysts was asked to predict the percentage increases in the prices of two common stocks over the next year.

A random sample of 12 financial analysts was asked to predict the percentage increases in the prices of two common stocks over the next year. The results obtained are shown in the table. Use the sign test to test the null hypothesis that for the population of analysts there is no overall preference for increases in one stock over the other.

2 3809 1928 7256760 68 98 21 62 71 65 93 1.0-12 63 692676910926 ABCDEFGH JKL

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