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group degrees of freedom. oups, when SSW = 866 and N1-45, N2=30 and N3=36. Round to groups, when SSB = 85 and dfb = 4. Round to the nearest hundı A when a=.05, dfb = 2 and dfw = 40.

group degrees of freedom. oups, when SSW = 866 and N1-45, N2=30 and N3=36. Round to groups, when SSB = 85 and dfb = 4. Round to the nearest hundı A when a=.05, dfb = 2 and dfw = 40.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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1. A researcher plans to conduct an ANOVA. The study will examine differences in SAT score between students who took AP coursework (N1=55), students who were in honors classes (N2=42), and students who were in magnet programs (N3=25). Report the number of within group degrees of freedom. 2. Calculate the mean square within groups, when SSW = 866 and N1-45, N2=30 and N3=36. Round to the nearest hundredths place (second decimal). 3. Calculate the mean square between groups, when SSB = 85 and dfb = 4. Round to the nearest hundredths place (i.e., two decimal places). 4. Find the F-critical value for an ANOVA when a=.05, dfb = 2 and dfw = 40.
Transcribed Image Text:1. A researcher plans to conduct an ANOVA. The study will examine differences in SAT score between students who took AP coursework (N1=55), students who were in honors classes (N2=42), and students who were in magnet programs (N3=25). Report the number of within group degrees of freedom. 2. Calculate the mean square within groups, when SSW = 866 and N1-45, N2=30 and N3=36. Round to the nearest hundredths place (second decimal). 3. Calculate the mean square between groups, when SSB = 85 and dfb = 4. Round to the nearest hundredths place (i.e., two decimal places). 4. Find the F-critical value for an ANOVA when a=.05, dfb = 2 and dfw = 40.
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