200 students are enrolled in a first year statistics course. Two options are offered: the students may either attend regular lectures or they may take a reading-based learning program. 130 of the students say they prefer lectures, the other 70 say they prefer reading-based learning. The course coordinator wants to test two hypotheses: i) Students perform better in the final exam if they use the reading-based option. ii) Students perform better in the final exam if the

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 27PPS
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200 students are enrolled in a first year statistics course. Two options are offered: the students may either attend regular lectures or they may take a reading-based learning program. 130 of the students say they prefer lectures, the other 70 say they prefer reading-based learning.

The course coordinator wants to test two hypotheses:

i) Students perform better in the final exam if they use the reading-based option.

ii) Students perform better in the final exam if they use their preferred method of instruction.

How many combinations of the explanatory variables are possible? List these.

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