4. For migraine sufferers, is there an association between gender and relief from a migraine with a cold or hot compress? From a random sample of 600 migraine sufferers, 192 females received relief using a hot compress while 208 females received relief using a cold compress. Whereas ninety- eight males received relief using a hot compress and 102 males received relief using a cold com- press. At the 1% significance level, what conclusion can be reached?

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