Questions 10 through 13 refer to the following:
Using the partially completed analysis of variance and table of means provided below, answer the following questions. Use the .05 significance level. All three groups have the same sample size.
Source |
SS |
df |
MS |
F |
Treatment |
4.3669 |
|||
Error |
9.03 |
|||
Total |
29 |
Group |
|||
A |
B |
C |
|
sample mean |
278.3 |
275.4 |
274.5 |
question 10 Find the value of LSD for comparing Groups A and B.
1 points
Question 11
Is the difference between groups A and B significant?
yes |
||
no |
||
maybe? |
||
Antidisestablishmentarianism |
1 points
Question 12
What's the value of SSTR?
1 points
Question 13
What's the value of SSE?
Questions 10 through 13 refer to the following: Using the partially completed analysis of variance and...
The following table shows the results of an analysis of variance comparing three treatment conditions with a sample of n = 7 participants in each treatment. Note thatseveral values are missing in the table. What is the missing value for SStotal?a. 16 Source SS df MSb. 23 Between 20 xx xx F = xxc. 29 Within xx xx 2d. 56 Total xx xx
The following table shows the results of an analysis of variance comparing two treatment conditions with a sample of n = 11 participants in each treatment. Note thatseveral values are missing in the table. What is the missing value for the F-ratio?Source SS df MSBetween xx xx 14 F = xxWithin xx xx xxTotal 154 xxa. 14b. 28c. 7d. 2
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...
QUESTION 1 Questions 1 through 4 refer to the following: Irmitable bowel syndrome (IBS) is a nonspecific intestinal disorder characterized by abdominal pain and iegular bowel habits. Each person in a random sample of 24 patients having periodic attacks of IBS was randomly assigned to one of three treatment groups, A, B, and C. The number of hours of relief while on therapy is recorded for each patient in the table below. Treatment 11.6 12.5 10.6 11.6 13.9 S.6 139...
The following table shows the results of a repeated-measures analysis of variance comparing two treatment conditions with a sample of n = 12 participants. Note that several values are missing in the table. Fill in the missing values in the ANOVA table. What is the missing value for SStotal? Source SS df MS Between __ __ 12 F = 4.00 Within __ __ Bet. Sub. 35 __ Error __ __ __ Total __ __
a. Given the following information obtained from three normally distributed populations, construct an ANOVA table. (Round intermediate calculations to at least 4 decimal places. Round "SS" to 2 decimal places, "MS" to 4 decimal places, and "P' to 3 decimal places.) SSTR = 220.7; SSE = 2,252.2; c = 3; ni = n2 = n3 = 8 ANOVA Source of Variation SS df MS F p-value Between Groups 0.375 Within Groups 0.00 0 Total b. At the 1% significance level,...
3. (20 points) A partially completed ANOVA table for a two-factor factorial experiment is shown here: Source df SS 3 1 0.95 MS F 0.75 0.30 AB Error Total 23 6.5 a Give the number of levels for each factor. b How many observations were collected for each factor-level combination? c Complete the ANOVA table above. d Test to determine whether the treatment means differ using a = 0.10?
5. The following data were obtained in a study using three separate samples to compare three different treatments. (13 points total) Treatment 1 Treatment 2 Treatment 3 mm M =4 SS = 2 M = 2 SS = 4 M = 6 SS = 8 a. Fill in the ANOVA table below. (4 points) SS df MSF Source Between treatments Within treatments Total b. If a = .05 and the Fcritical value = 4.26., what decision would you make? (1...
Is there a difference among the 3 treatments in the table below? Test using a - .05 Treatment A Treatment B Treatment C 0 2 4 EX2 - 114 G= 36 10 3 2 o 1 4 N = 18 3 3 3 k = 3 0 2 4 10 1 4 SS, = 7.5 SS2 - 4 SS3 - 3.5 dfwn dfon- Odfwn = 2; df - 15 Odfwn - 17; df = 2 dfun = 15; df =...
The following data are from an independent-measures experiment comparing the effects insomnia treatments on the amount of sleep participants acquire. The data below show the number of hours a participant slept in a single night. Treatment 1 is the control condition, Treatment 2 is a behavioral therapy, and Treatment 3 is the administration of sleep aids. Treatment 1 Treatment 2 Treatment 3 ZX2 = 114 4 ss 7.5 T 12 SS 4 T= 21 SS 3.5 ESTION 21 Complete the...