8. Suppose we want to know whether or not the mean weight between two different species hamster is equal. To test this, will perform a two sample t-test at significance level a = 0.0 the following steps: Sample 1: • Sample size n1 = 25 • Sample mean weight x1 = 110 • Sample standard deviation s1 = 10.6 • Sample size n2 = 22 • Sample mean weight x2 = 101 Sample standard deviation s2 = 9.7 Step 1: State the hypotheses. Step 2: The level of significance, one/two-tailed test, degrees of freedom Step 3: Statistical Test Sample 2:

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