The following table shows the Myers-Briggs personality preferences for a random sample of 406 people in the listed professions. E refers to extroverted and I refers to introverted. Personality Type Row Total Occupation Clergy (all denominations) M.D. 64 43 107 64 98 162 Lawyer Column Total 58 79 137 186 220 406 Use the chi-square test to determine if the listed occupations and personality preferences are independent at the 0.05 level of significance.

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