5) A scientist is researching the weight of the American Black Bear and believes the weight of the bear has decreased from 105 pounds over the last 10 years. Based on the Minitab printout below, is the researcher correct in his belief? Test at the 0.05 level of significance. One-Sample T: Weight (kg) Descriptive Statistics 95% Upper Bound for u N Mean StDev SE Mean 12 99.58 9.53 2.75 104.52 4: population mean of Sample Test Ho H = 105 H u < 105 Null hypothesis Alternative hypothesis T-Value P-Value -1.97 0.037

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5) A scientist is researching the weight of the American Black Bear and believes the weight of the bear has
decreased from 105 pounds over the last 10 years. Based on the Minitab printout below, is the researcher
correct in his belief? Test at the 0.05 level of significance.
One-Sample T: Weight (kg)
Descriptive Statistics
95% Upper Bound
for u
104.52
N Mean StDev SE Mean
12
99.58
9.53
2.75
u: population mean of Sample
Test
Ho: H = 105
H;: µ < 105
Null hypothesis
Alternative
hypothesis
T-Value P-Value
-1.97
0.037
Transcribed Image Text:5) A scientist is researching the weight of the American Black Bear and believes the weight of the bear has decreased from 105 pounds over the last 10 years. Based on the Minitab printout below, is the researcher correct in his belief? Test at the 0.05 level of significance. One-Sample T: Weight (kg) Descriptive Statistics 95% Upper Bound for u 104.52 N Mean StDev SE Mean 12 99.58 9.53 2.75 u: population mean of Sample Test Ho: H = 105 H;: µ < 105 Null hypothesis Alternative hypothesis T-Value P-Value -1.97 0.037
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