A random sample of students' results (in %) selected from two universities are as follow: University 1 University 2 n = 56 n2 = 43 X = 60 Xz = 57 S1 = 23 S2 = 19 a) Construct and explain a 99%...

A random sample of students' results (in %) selected from two universities are as follow:<br>University 1 University 2<br>n = 56<br>n2 = 43<br>X = 60<br>Xz = 57<br>S1 = 23<br>S2 = 19<br>a) Construct and explain a 99% confidence interval for the difference between the population mean for the two<br>universities.<br>b) Find the length of the confidence interval.<br>c) Is there a significant difference in the two population means, considering the confidence interval found in a)? (<br>

Extracted text: A random sample of students' results (in %) selected from two universities are as follow: University 1 University 2 n = 56 n2 = 43 X = 60 Xz = 57 S1 = 23 S2 = 19 a) Construct and explain a 99% confidence interval for the difference between the population mean for the two universities. b) Find the length of the confidence interval. c) Is there a significant difference in the two population means, considering the confidence interval found in a)? (

Jun 11, 2022

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A random sample of students' results (in %) selected from two universities are as follow: University 1 University 2 n = 56 n2 = 43 X = 60 Xz = 57 S1 = 23 S2 = 19 a) Construct and explain a 99%...

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