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A hypothesis regarding the weight of newborn infants at a community hospital is that the mean...

A hypothesis regarding the weight of newborn infants at a community hospital is that the mean is 6.6 pounds. A sample of seven infants is randomly selected and their weights at birth are recorded as 9.0, 7.3, 6.0, 8.8, 6.8, 8.4, and 6.6 pounds. If α = 0.05, what is the critical t-value?

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  • −2.365

  • ±1.96

  • ±2.365

  • ±2.447

Math   Statistics-And-Probability   
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TOPIC:Critical values for the given test.

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