Gentle Ben is a Morgan horse at a Colorado dude ranch. Over the past 8 weeks, a veterinarian took the following glucose readings from this horse (in mg/100 ml). 95 86 82 107 97 112 84 87 The sample mean is x ≈ 93.8. Let x be a random variable representing glucose readings taken from Gentle Ben. We may assume that x has a normal distribution, and we know from past experience that σ = 12.5. The mean glucose level for horses should be μ = 85 mg/100 ml.† Do these data indicate that Gentle Ben has an overall average glucose level higher than 85? Use ? = 0.05. a. Compute the z value of the sample test statistic. (Round your answer to two decimal places.) b. Find (or estimate) the P-value. (Round your answer to four decimal places.)
Gentle Ben is a Morgan horse at a Colorado dude ranch. Over the past 8 weeks, a veterinarian took the following glucose readings from this horse (in mg/100 ml).
95 | 86 | 82 | 107 | 97 | 112 | 84 | 87 |
The sample
a. Compute the z value of the sample test statistic. (Round your answer to two decimal places.)
b. Find (or estimate) the P-value. (Round your answer to four decimal places.)
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