Question

In: Statistics and Probability

Effectiveness of distance learning: A study was done to compare the effectiveness of distance learning with...

Effectiveness of distance learning: A study was done to compare the effectiveness of distance learning with traditional classroom instruction. Eleven students took a business administration course online, while 14 students took it in a classroom. The final scores were as follows. It is reasonable to assume that the samples come from populations that are approximately normal.

Online

67

71

75

67

84

87

71

99

73

67

87

Classroom

82

75

67

82

71

82

75

82

99

67

91

75

71

87

Part 1 of 2

(a) Construct a 98% confidence interval for the difference between the mean scores for the two types of instruction. Let μ1 denote the mean score of online instruction. Use the TI-84 calculator and round the answers to one decimal place

An 98% confidence interval for the mean difference between the mean scores for the two types of instruction is

<μ1-μ2<

.

Solutions

Expert Solution

mean and standard deviation for online

mean and standard deviation for classroom


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