3. Color and Cognition. Researchers from the University of British Columbia conducted a study to investigate the effects of color on cognition tasks. Words were displayed on a computer screen with background colors of red and blue. Results from scores on a test of word recall are given below. Higher scores correspond to greater word recall. Red background Blue background n1 = 35, x, = 15.89, S1 = 5.90 n2 = 36, x2 = 12.31, S2= 5.48 b) Use a 0.05 significance level to test the claim that the samples are from populations with the same mean.

3. Color and Cognition. Researchers from the University of British Columbia conducted a study to investigate the effects of color on cognition tasks. Words were displayed on a computer screen with background colors of red and blue. Results from scores on a test of word recall are given below. Higher scores correspond to greater word recall. Red background Blue background n1 = 35, x, = 15.89, S1 = 5.90 n2 = 36, x2 = 12.31, S2= 5.48 b) Use a 0.05 significance level to test the claim that the samples are from populations with the same mean.

Name: Round all answers to 4 decimal places, when appropriate. Round t-score
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Description: Round all answers to 4 decimal places, when appropriate. Round t-scores T to 3 decimal places. 3. Color and Cognition. Researchers from the University of British Columbia conducted a study toinvestigate the effects of color on cognition tasks. Words

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 10CYU

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