Learning math The Core Plus Mathematics Project (CPMP) is an innovative approach to teaching Math-ematics that engages students in group investigations and mathematical modeling. After field tests in 36 highschools over a three-year period, researchers comparedthe performances of CPMP students with those taughtusing a traditional curriculum. In one test, students had tosolve applied Algebra problems using calculators. Scoresfor 320 CPMP students were compared to those of a control group of 273 students in a traditional Math pro-gram. Computer software was used to create a confidence interval for the difference in mean scores. (Journal forResearch in Mathematics Education, 31, no. 3[2000])Conf level: 95% Variable: Mu(CPMP) – Mu(Ctrl)Interval: (5.573, 11.427)a) What’s the margin of error for this confidenceinterval?b) If we had created a 98% CI, would the margin of errorbe larger or smaller?c) Explain what the calculated interval means in context.d) Does this result suggest that students who learnMathematics with CPMP will have significantlyhigher mean scores in Algebra than those in traditionalprograms? Explain.
Learning math The Core Plus Mathematics Project (CPMP) is an innovative approach to teaching Math-ematics that engages students in group investigations and mathematical modeling. After field tests in 36 highschools over a three-year period, researchers comparedthe performances of CPMP students with those taughtusing a traditional curriculum. In one test, students had tosolve applied Algebra problems using calculators. Scoresfor 320 CPMP students were compared to those of a control group of 273 students in a traditional Math pro-gram. Computer software was used to create a confidence interval for the difference in mean scores. (Journal forResearch in Mathematics Education, 31, no. 3[2000])Conf level: 95% Variable: Mu(CPMP) – Mu(Ctrl)Interval: (5.573, 11.427)a) What’s the margin of error for this confidenceinterval?b) If we had created a 98% CI, would the margin of errorbe larger or smaller?c) Explain what the calculated interval means in context.d) Does this result suggest that students who learnMathematics with CPMP will have significantlyhigher mean scores in Algebra than those in traditionalprograms? Explain.
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Learning math The Core Plus Mathematics Project
(CPMP) is an innovative approach to teaching Math-
ematics that engages students in group investigations
ematics that engages students in group investigations
and mathematical modeling. After field tests in 36 high
schools over a three-year period, researchers compared
the performances of CPMP students with those taught
using a traditional curriculum. In one test, students had to
solve applied Algebra problems using calculators. Scores
for 320 CPMP students were compared to those of a
schools over a three-year period, researchers compared
the performances of CPMP students with those taught
using a traditional curriculum. In one test, students had to
solve applied Algebra problems using calculators. Scores
for 320 CPMP students were compared to those of a
control group of 273 students in a traditional Math pro-
gram. Computer software was used to create a confidence
gram. Computer software was used to create a confidence
interval for the difference in mean scores. (Journal for
Research in Mathematics Education, 31, no. 3[2000])
Conf level: 95% Variable: Mu(CPMP) – Mu(Ctrl)
Interval: (5.573, 11.427)
a) What’s the margin of error for this confidence
interval?
b) If we had created a 98% CI, would the margin of error
be larger or smaller?c) Explain what the calculated interval means in context.
d) Does this result suggest that students who learn
Mathematics with CPMP will have significantly
higher mean scores in Algebra than those in traditional
programs? Explain.
Research in Mathematics Education, 31, no. 3[2000])
Conf level: 95% Variable: Mu(CPMP) – Mu(Ctrl)
Interval: (5.573, 11.427)
a) What’s the margin of error for this confidence
interval?
b) If we had created a 98% CI, would the margin of error
be larger or smaller?c) Explain what the calculated interval means in context.
d) Does this result suggest that students who learn
Mathematics with CPMP will have significantly
higher mean scores in Algebra than those in traditional
programs? Explain.
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