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One same wilcoxon signed rank test. 1. The human requirement for salt is 220 mg a...

One same wilcoxon signed rank test. 1. The human requirement for salt is 220 mg a day. A random sample of 16 similar servings of a well-known brand of cereal was chosen and the sodium content of each measured. 187 188 213 217 218 220 227 235 237 240 242 249 257 260 273 273 Test at α = .10 if the median sodium content for a single serving of this cereal differs from the human daily requirement.

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