Use the information given in the paragraph The ITDS departme below to answer the

Question

Use the information given in the paragraph The ITDS departme below to answer the five questions that follow. nt wants to see if different teaching methods make a difference on the overall grade received by students in a particular course. So the which it Department conducts a research in i chooses an honor class with 30 students to be divided to three equal groups. The first p.receives the lectures in a face-to-face class, the second group uses the online Hawkes arming System for learning the lessons, and the third group uses both methods that means Learning Sy the class and using Hawkes Learning online platform in parallel. The data are taken from the class roll, and is a numeric grade from 0 to 100 for each student in each group. Anova: Single Factor SUMMARY Sum Average Variance 79.4 99.82222 Count Groups Group 1 Group 2 Gr 10 10 10 794 765 86186.1 47.65556 76.5 127.1667 ANOVA sS df MS Source of Variation Between Groups Within Groups 484.8667 2471.8 27 91.54815 29 Total

Explanation / Answer

Numerator degrees of freedom = 29 - 27 = 2

So,

MSB = 484.8667/2 = 242.43335

Hence,

Test statistic = 242.43335/91.54815 = 2.65

Option B is correct.

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