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/100ml). 93 88 83 105 99 110 87 89 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 ? = 12.8 . The mean glucose level for horses should be ? = 86 mg/100 ml. Do these data indicate that GentleBen has an overall average glucose level higher than 86? Use ? = 0.05. a. What is the sample mean ?̅? b. What is the level of significance? c. State the null and alternate hypotheses. Will you use a left, right-tailed, or two-tailed test?
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/100ml).
93 88 83 105 99 110 87 89
Let x be a random variable representing glucose readings taken from Gentle Ben. We may assume that x has a
mean glucose level for horses should be ? = 86 mg/100 ml. Do these data indicate that GentleBen has an overall average glucose level higher than 86? Use ? = 0.05.
a. What is the sample mean ?̅?
b. What is the level of significance?
c. State the null and alternate hypotheses. Will you use a left, right-tailed, or two-tailed test?
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