Does a prep course increase SAT scores?Last year, a school offered an after-school SAT prep class that students could volunteer to take. 44 students took the course and then took the SAT. The average SAT score for this group was 1220. The average SAT score for all students who did not take the prep class was 1050. Identify as many other possible variables that you can that may explain why the SAT scores are higher for those who took the prep course than for those who did not.2- Design an experiment that would help us determine if SAT prep causes an increase in SAT scores. a- What is the population from which you will sample?b- What sampling method will you use (simple, cluster, systematic, stratified, convenience)? Why did you choose this method?c- Describe your treatment group and your control group. d- What is your explanatory variable? e- What is your response variable?

Sampling is a technique that is used for statistical analysis in which random numbers are chosen…

Answered: Identify as many other possible…

Practical Management Science

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Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

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Does a prep course increase SAT scores?

Last year, a school offered an after-school SAT prep class that students could volunteer to take. 44 students took the course and then took the SAT. The average SAT score for this group was 1220. The average SAT score for all students who did not take the prep class was 1050.

Identify as many other possible variables that you can that may explain why the SAT scores are higher for those who took the prep course than for those who did not.

2- Design an experiment that would help us determine if SAT prep causes an increase in SAT scores.

a- What is the population from which you will sample?

b- What sampling method will you use (simple, cluster, systematic, stratified, convenience)? Why did you choose this method?

c- Describe your treatment group and your control group.

d- What is your explanatory variable?

e- What is your response variable?

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