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the first question mean? Who ight we get started? " wants to read? yet, can someone stions. or why not? ton say Introduction to Statistical Inference Quiz 9 Name: Zeynal Ahmed ID Instructions: This quiz consists of one problem in two parts (front and back). Provide solutions in the space provided. All solutions must be sufficiently justified to receive credit. You may use a calculator. You may not use any notes or texts (other than the t table). Good Luck! Two-sample t test statistic: t = S1 $2 n 1 n2 1. You're trying to see if there is a difference between two treatments for high cholesterol. In two independent trials, Treatment A used a SRS of 31 and had a sample standard deviation of 44 with a sample mean cholesterol reduction of 71, while Treatment B used a SRS of 45 and had a sample standard deviation of 28 with a sample mean cholesterol reduction of 39. Test the hypothesis that both treatments produce the same mean cholesterol reduction, against the alternative that the mean cholesterol reductions differ between treatments. Is the result significant at the level a =. 05? Make sure to state assumptions. - Xi- X2