Case Problem Air Force Training Program An Air Force introductory course in elec

Question

Case Problem Air Force Training Program An Air Force introductory course in electronics uses a personalized syste whereby each student views a videotaped lecture and then is given a progr tion text. The students work independently with the text until they have commlec training and passed a test. Of concern is the varying pace at which the students this portion of their training program. Some students are able to cover the instruction text relatively quickly, whereas other students work much longer with the and require additional time to complete the course. The fast students wait until the lou students complete the introductory course before the entire group proceeds togetherw other aspects of their training. of i the text Duter terminal for further instruction. The computer ud dently, through the self-training portion of the course. A proposed alternative system involves use of computer-assisted instruction. In this method, all students view the same videotaped lecture and then each is assigned to a com- To compare the proposed and current methods of instruction, an entering class of 122 students was assigned randomly to one of the two methods. One group of 61 students used the current programmed-text method and the other group of 61 students used the pr posed computer-assisted method. The time in hours was recorded for each student in the study. The following data are provided in the data set Training.

Explanation / Answer

Answer:

Based on the given data:

1) Use appropriative descriptive statistics to summarize the training time data for each method. What similarities or differences do you observe from the sample data.

Working on other parts, will update soon.

Current Programmed-text Training Method Proposed Computer-Assisted Training Method Number of students 61 61 Mean 75.06 75.426 Median 76 76 Mode 76 76 Sample variance 15.56 6.28 Sample standard deviation 3.944 2.506 Range 19 13 IQR 66 3 1st Quartile 72 74 3rd Quartile 78 77 Maximum 84 82 Minimum 65 69

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