Mathematics, 17.02.2020 19:51 RockieLuv7292
Suppose that the mean water hardness of lakes in Kansas is 425 mg/L and these values tend to follow a normal distribution. A limnologist would like to know whether stock ponds tend to have lower hardness. He collected water from 25 randomly-selected stock ponds, which yielded the following results. Test the appropriate null hypothesis. 346 496 352 378 315 420 485 446 479 422 494 289 436 516 615 491 360 385 500 558 381 303 434 562 496
Answers: 1
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Answers: 1
Suppose that the mean water hardness of lakes in Kansas is 425 mg/L and these values tend to follow...
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