Market analysts want to investigate the popularity of three types of radio programs. Their market research yielded the following ratings over the last 5 months. Can the analysts conclude that the three types of programs have different ratings? Do a 5 % test.

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Time Early morning Late morning Afternoon Evening Midnight Talk show 20 17 18 23 25 Sports show 30 15 21 27 22 Music 17 15 12 18 11