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20. If SSTr 90 and MSE 12 what is the value for the overall F statistic...
The F ratio in a completely randomized ANOVA is the ratio of a. MSTR MSE b....
The F ratio in a completely randomized ANOVA is the ratio of a. MSTR MSE b. MST/MSE c. MSE/MSTR d. MSE/MST Answer: The critical F value with 6 numerator and 60 denominator degrees of freedom at 0 .05 is a. 3.74 b. 2.25 c. 2.37 d. 1.96 Answer: The ANOVA procedure is a statistical approach for determining whether or not a. the means of two samples are equal b. the means of two or more samples are equal c. the...
Consider the following computer output for a single factor experiment. Source DF SS MS F P-value...
Consider the following computer output for a single factor experiment. Source DF SS MS F P-value Factor DF=? 117.4 39.1 F=? P-value = ? Error 16 396.8 MSE=? Total 19 514.2 (a) How many levels of the factor were used in this experiment? (4 points) (b) How many replicates of each leveal did the experimenter use? (4 points) (c) Fill in the missing information in the ANOVA table. DF=? MSE=? F=? (6 points) (d) Estimate the P-value (the estimated range...
Consider the following summary data on the modulus of elasticity (X 10 psi) for lumber of three d...
Pls answer the follow:
Consider the following summary data on the modulus of elasticity (X 10 psi) for lumber of three different grades in close agreement with values in the article "Bending Strength and Stiffness of Second-Growth Douglas-Fir Dimension Lumber" : 35-43) except that the sample sizes there were larger] Forest Products J, 1991 Grade J 10 10 10 1.63 27 1.56 ·24 1.42 .26 1. Problem 10.5 page 419 a. What is x..? b. What is SSTr? c. Compute...
If the f test statistic value equals 0 this means that a. the groups means are...
If the f test statistic value equals 0 this means that a. the groups means are identical b. that mse equals 0 c. that the patterns are similar d. the between group difference is identical to the sampling error
In calculations of ANOVA, if test statistic F=4 and MS(Error)=5, then the value of MS(Treatment) =20....
In calculations of ANOVA, if test statistic F=4 and MS(Error)=5, then the value of MS(Treatment) =20. T OR F??
12. What is the average value expected for the independent-measures t statistic if the null hypothesis...
12. What is the average value expected for the independent-measures t statistic if the null hypothesis is true? a. O b. 1 C. 41 d. Mi-M2 13. For an ANOVA comparing three treatment conditions, what is stated by the alternative hypothesis (HA)? a. There are no differences between any of the population means b. At least one of the three populations means is different from another mean C. All three of the population means are different from each other d....
Select the true statement regarding the F-statistic of an ANOVA test. a.) The larger the F value,...
Select the true statement regarding the F-statistic of an ANOVA test. a.) The larger the F value, the more likely it is to reject the null hypothesis b.) The smaller the F value, the more likely it is to reject the null hypothesis. c.) The smaller the F value, the greater the variation between individual samples. d.) The larger the F value, the more likely it is to fail to reject the null hypothesis.
ANOVA Source of Variation SS df MS F p-value Factor A 35,166.79 3 11,722.26 Factor...
ANOVA Source of Variation SS df MS F p-value Factor A 35,166.79 3 11,722.26 Factor B 22,297.66 2 11,148.83 Interaction 206,903.76 6 34,483.96 Error 125,290.42 36 3,480.29 Total 389,658.63 47 (a) What kind of ANOVA is this? One-factor ANOVA Two-factor ANOVA with replication Two-factor ANOVA without replication (b) Calculate each F test statistic and the p-value for each F test using Excel's function =F.DIST.RT(F,DF1,DF2). (Round your Fcalc values to 3 decimal places and p-values to...
ANOVA Source of Variation SS df MS F p-value Factor A 30,865.45 3 10,288.48 Factor B...
ANOVA Source of Variation SS df MS F p-value Factor A 30,865.45 3 10,288.48 Factor B 22,557.30 2 11,278.65 Interaction 119,155.58 6 19,859.26 Error 90,553.57 36 2,515.38 Total 263,131.90 47 (a) What kind of ANOVA is this? One-factor ANOVA Two-factor ANOVA with replication Two-factor ANOVA without replication (b) Calculate each F test statistic and the p-value for each F test using Excel's function =F.DIST.RT(F,DF1,DF2). (Round your Fcalcvalues to 3 decimal places and p-values to 4 decimal places.) Source of Variation...
Which of the following statements is true? (a) If the calculated value of F statistic is...
Which of the following statements is true? (a) If the calculated value of F statistic is higher than the critical value, we reject the alternative hypothesis in favor of the null hypothesis. (b) The F statistic is always nonnegative as SSR, is never smaller than SSRur. (C) Degrees of freedom of a restricted model is always less than the de- grees of freedom of an unre- stricted model. (d) The F statistic is more flexible than the t statistic to...
The F ratio in a completely randomized ANOVA is the ratio of a. MSTR MSE b. MST/MSE c. MSE/MSTR d. MSE/MST Answer: The critical F value with 6 numerator and 60 denominator degrees of freedom at 0 .05 is a. 3.74 b. 2.25 c. 2.37 d. 1.96 Answer: The ANOVA procedure is a statistical approach for determining whether or not a. the means of two samples are equal b. the means of two or more samples are equal c. the...
Pls answer the follow:
Consider the following summary data on the modulus of elasticity (X 10 psi) for lumber of three different grades in close agreement with values in the article "Bending Strength and Stiffness of Second-Growth Douglas-Fir Dimension Lumber" : 35-43) except that the sample sizes there were larger] Forest Products J, 1991 Grade J 10 10 10 1.63 27 1.56 ·24 1.42 .26 1. Problem 10.5 page 419 a. What is x..? b. What is SSTr? c. Compute...
12. What is the average value expected for the independent-measures t statistic if the null hypothesis is true? a. O b. 1 C. 41 d. Mi-M2 13. For an ANOVA comparing three treatment conditions, what is stated by the alternative hypothesis (HA)? a. There are no differences between any of the population means b. At least one of the three populations means is different from another mean C. All three of the population means are different from each other d....
Select the true statement regarding the F-statistic of an ANOVA test. a.) The larger the F value, the more likely it is to reject the null hypothesis b.) The smaller the F value, the more likely it is to reject the null hypothesis. c.) The smaller the F value, the greater the variation between individual samples. d.) The larger the F value, the more likely it is to fail to reject the null hypothesis.
Which of the following statements is true? (a) If the calculated value of F statistic is higher than the critical value, we reject the alternative hypothesis in favor of the null hypothesis. (b) The F statistic is always nonnegative as SSR, is never smaller than SSRur. (C) Degrees of freedom of a restricted model is always less than the de- grees of freedom of an unre- stricted model. (d) The F statistic is more flexible than the t statistic to...
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