Homework Answers
| Source | df | Sum of Squares | Mean Sum of Squares | F |
| Subject | 4 | 9788.552582 | 2447.138146 | 44.0961 |
| Year | 2 | 12294.95583 | 6147.477915 | 110.7742 |
| Subject*year | 8 | 1293.712835 | 161.7141044 | 2.9140 |
| error | 75 | 4162.16765 | 55.49556867 | |
| Correccted Total | 89 | 27539.3889 |
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The following ANOVA table is from a study to compare the price of books in five...
The table below shows an example of ANOVA table results. Comparing educational outcomes across five different...
The table below shows an example of ANOVA table results. Comparing educational outcomes across five different groups of students. Interpret the output and results. Sum of squares df Mean square F-test p-value Between groups 2415.2 5 490.2 3.538 0.006 Within groups 13579.8 98 138.6 Total 16031.0 103
A sociologist classified 45 faculty members by subject matter of course (factor A with 4 levels) and highest degree earned (factor B with 3 levels) The first ANOVA table below is from a model includi...
A sociologist classified 45 faculty members by subject matter of course (factor A with 4 levels) and highest degree earned (factor B with 3 levels) The first ANOVA table below is from a model including A and B main effects and AB interaction effects. The second one is from a model including B main effects and AB interaction effects but no A main effects Sequential sum of squares ANOVA table with A, B and AB terms. Analysis of Variance Source...
ANOVA A study is designed to examine whether there is a difference in mean daily calcium intake a...
ANOVA
A study is designed to examine whether there is a difference in
mean daily calcium intake among three groups of adults with normal
bone density (Norm), adults with osteopenia (OstPNia) (a low bone
density which may lead to osteoporosis) and adults with
osteoporosis (OstPSis). A total of twenty-one adults at age 60 was
recruited in the study (7 adults in each group). Each participant's
daily calcium intake was measured based on reported food intake and
supplements in milligrams. We...
REPRODUCE THE ANOVA TABLE SHOWN BELOW USING R INCLUDE ALL R COMMANDS
REPRODUCE THE ANOVA TABLE SHOWN BELOW USING
R
INCLUDE ALL R COMMANDS
a O20. Containers revisited Building on the cup experiment of the Chapter 4 Step-By-Step, a student selects one type of container and designs an experiment to see whether the type of Liquid stored and the outside Environment affect the ability of a cup to maintain temperature. He randomly chooses an experimental condition and runs each twice: LiquidEnvironment Water Water Water Water Coffee Coffee Coffee Coffee Room Room Outside...
The data in the accompanying table indicate the driving distance, in yards, from a random sample...
The data in the accompanying table indicate the driving distance, in yards, from a random sample of drives for three golfers a. Perform a one-way ANOVA using a 0.05 to determine if there is a difference in the average driving distance these three players b. Perform a multiple comparison test to determine which pairs are different using 0.05. EEE Click the icon to view the data table Click the icon to view a table of critical values for the studentized...
The data in the table were collected from randomly selected flights at airports in three cities...
The data in the table were collected from randomly selected flights at airports in three cities and indicate the number of minutes that each plane was behind schedule at its departure. City 1 | City 2 | City 3 29 14 a" Perform a one-way ANOVA using α:005 to determine if there is a difference in the average lateness of flights from these three airports. b. Perform a multiple comparison test to determine which pairs are different using α: 0.05....
The ANOVA summary table for an experiment with six groups, with five values in each group,...
The ANOVA summary table for an experiment with six groups, with five values in each group, is shown to the right. Complete parts (a) through (d) below. Source Degrees of Freedom Sum of Squares Mean Square (Variance) F Among groups C −1 =55 SSA=150 MSA =3030 FSTAT =3.003.00 Within groups n- c = 2424 SSW =240 MSW =1010 Total N −1 =2929 SST = 390 a. At the 0.05 level of significance, state the decision rule...
1. The following ANOVA summary table was obtained for a comparison of six teachers. Of interest...
1. The following ANOVA summary table was obtained for a comparison of six teachers. Of interest is whether students of those teachers display different mean levels of performance on a standardized language test. Class size is about 20 to 22 students per teacher, for a total number of 126 students included in the analysis. a. Complete the missing calculations in the table below. (0.5 points each; 3 points total) Sum of Squares df Mean Square F Between Groups 600.00 _____?...
QUESTION TWO The following outputs show the results of a study conducted on life expectancy of...
QUESTION TWO The following outputs show the results of a study conducted on life expectancy of some sampled people across the globe. Three important variables were of interest. They were adult illiteracy, quality of life and family size. Outputs: Table 2. ANOVA Model df Sig. Sum of Squares 34427.688 3870.862 38298.550 Mean F Square 11475.896 521.785 21.994 Regression Residual Total w 0.000 176 179 Table 3. Coefficients Model Sig. (Constant) Adult Illiteracy Quality of Life Rel. Family Size Unstandardized Coefficients...
from skin You are performing statistical analysis for a study where a biopsy is removed implants...
from skin You are performing statistical analysis for a study where a biopsy is removed implants of young and older adults treated for burns. This study will aim to determine differences in rejection of tissues across these age groups. For each of the different iterations below, identify the best test. Describe the limitations for using the other tests described. (4 points each) 4. Experiment 1: A. Outcome sample space: (rejected, not rejected) B. Groups: Young, older C. Contingency table: Rejected...
A sociologist classified 45 faculty members by subject matter of course (factor A with 4 levels) and highest degree earned (factor B with 3 levels) The first ANOVA table below is from a model including A and B main effects and AB interaction effects. The second one is from a model including B main effects and AB interaction effects but no A main effects Sequential sum of squares ANOVA table with A, B and AB terms. Analysis of Variance Source...
ANOVA
A study is designed to examine whether there is a difference in
mean daily calcium intake among three groups of adults with normal
bone density (Norm), adults with osteopenia (OstPNia) (a low bone
density which may lead to osteoporosis) and adults with
osteoporosis (OstPSis). A total of twenty-one adults at age 60 was
recruited in the study (7 adults in each group). Each participant's
daily calcium intake was measured based on reported food intake and
supplements in milligrams. We...
REPRODUCE THE ANOVA TABLE SHOWN BELOW USING
R
INCLUDE ALL R COMMANDS
a O20. Containers revisited Building on the cup experiment of the Chapter 4 Step-By-Step, a student selects one type of container and designs an experiment to see whether the type of Liquid stored and the outside Environment affect the ability of a cup to maintain temperature. He randomly chooses an experimental condition and runs each twice: LiquidEnvironment Water Water Water Water Coffee Coffee Coffee Coffee Room Room Outside...
The data in the accompanying table indicate the driving distance, in yards, from a random sample of drives for three golfers a. Perform a one-way ANOVA using a 0.05 to determine if there is a difference in the average driving distance these three players b. Perform a multiple comparison test to determine which pairs are different using 0.05. EEE Click the icon to view the data table Click the icon to view a table of critical values for the studentized...
The data in the table were collected from randomly selected flights at airports in three cities and indicate the number of minutes that each plane was behind schedule at its departure. City 1 | City 2 | City 3 29 14 a" Perform a one-way ANOVA using α:005 to determine if there is a difference in the average lateness of flights from these three airports. b. Perform a multiple comparison test to determine which pairs are different using α: 0.05....
QUESTION TWO The following outputs show the results of a study conducted on life expectancy of some sampled people across the globe. Three important variables were of interest. They were adult illiteracy, quality of life and family size. Outputs: Table 2. ANOVA Model df Sig. Sum of Squares 34427.688 3870.862 38298.550 Mean F Square 11475.896 521.785 21.994 Regression Residual Total w 0.000 176 179 Table 3. Coefficients Model Sig. (Constant) Adult Illiteracy Quality of Life Rel. Family Size Unstandardized Coefficients...
from skin You are performing statistical analysis for a study where a biopsy is removed implants of young and older adults treated for burns. This study will aim to determine differences in rejection of tissues across these age groups. For each of the different iterations below, identify the best test. Describe the limitations for using the other tests described. (4 points each) 4. Experiment 1: A. Outcome sample space: (rejected, not rejected) B. Groups: Young, older C. Contingency table: Rejected...
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