A sample of size 15 is drawn from a normal population. The sample standard deviation is s1
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A sample of size 15 is drawn from a normal population. The sample standard deviation is s1 = 5.2. A sample of size 10 is drawn from another normal population. The sample standard deviation is s2 = 9.3. Can you conclude that the variances of these two populations are different? Use the α = 0.05 level of significance.
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