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Thirty five employees who completed two years of college were asked to take a basic mathematics test The mean and standard deviation of their scores were 75 1 and 12 8, respectively In a random sample of 50 employees who only completed high school the mean and standard deviation of the test scores were 72 1 and 14:6 respectively Assume that we have equal variances Calculate the pooled variance Keep to 2 decimal places. QUESTION 16 Thirty five employees who completed two years of college were asked to take a basic mathematicst test The mean and standard deviation of their scores were fo Hand 12 0 respective viin a random sample of 50 employees who only completed high school the mean and standard deviation of the test scores were 7 2 1 and 14 6 atrespectively Assume that hat we have could variances festimate with 909: confidence the difference in mean scores between the two groll temp confidence limit? keep to 2 decimal places