MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Using MS Excel, conduct a 2-way ANOVA with a= 0.05. Fill in the summary table: P-values should be accurate to 4 decimal places and all other values accurate to 3 decimal places. Source df MS F-ratio P-value Partial n Age (A) Color (B) 2 Interaction (Ax B) 4 Error 63 Provide the conclusions for this 2-way ANOVA. What is the conclusion regarding the main effect for age (A or rows): OThere appears to be an effect due to age. O There is not enough evidence to reject the assumption that the marginal means across age groups are equal. What is the conclusion regarding the main effect for color (Bor columns): OThere appears to be an effect due to color. OThere is not enough evidence to reject the assumption that the marginal means across color groups are equal. What is the conclusion regarding an interaction effect between age and color (A x B): OThere appears to be an interaction effect between age and color. OThere is not enough evidence to reject the assumption of a lack of an interaction.
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Transcribed Image Text:Using MS Excel, conduct a 2-way ANOVA with a= 0.05. Fill in the summary table: P-values should be accurate to 4 decimal places and all other values accurate to 3 decimal places. Source df MS F-ratio P-value Partial n Age (A) Color (B) 2 Interaction (Ax B) 4 Error 63 Provide the conclusions for this 2-way ANOVA. What is the conclusion regarding the main effect for age (A or rows): OThere appears to be an effect due to age. O There is not enough evidence to reject the assumption that the marginal means across age groups are equal. What is the conclusion regarding the main effect for color (Bor columns): OThere appears to be an effect due to color. OThere is not enough evidence to reject the assumption that the marginal means across color groups are equal. What is the conclusion regarding an interaction effect between age and color (A x B): OThere appears to be an interaction effect between age and color. OThere is not enough evidence to reject the assumption of a lack of an interaction.
An educational psychologist is examining response times to an on-screen stimulus. The researcher believes there might be a weak effect from age, but expects a more pronounced effect for different color contrasts. She decides to examine a black on white (B/W) combination compared to 2 alternatives: red on white (R/W) and yellow on blue (Y/B). Here is the data for response times (in milliseconds): Color Scheme B/W R/W Y/B 36 19 24 26 31 33 16 7 19 20 7 16-17 20 3 43 20 10 23 43 19 Age 18-19 34 15 17 35 13 36 35 28 35 40 20-21 25
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Transcribed Image Text:An educational psychologist is examining response times to an on-screen stimulus. The researcher believes there might be a weak effect from age, but expects a more pronounced effect for different color contrasts. She decides to examine a black on white (B/W) combination compared to 2 alternatives: red on white (R/W) and yellow on blue (Y/B). Here is the data for response times (in milliseconds): Color Scheme B/W R/W Y/B 36 19 24 26 31 33 16 7 19 20 7 16-17 20 3 43 20 10 23 43 19 Age 18-19 34 15 17 35 13 36 35 28 35 40 20-21 25
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