Write out the ANOVA shell (sources of variability & degrees of freedom) for the following experiment:
(d) A Latin rectangle with a 1-way treatment structure with 5 treatments was formed from three 5x5 Latin squares using the same row blocks but different column blocks in each square.
Write out the ANOVA shell (sources of variability & degrees of freedom) for the following experiment:...
Given the following ANOVA table for three treatments, each of which having six observations (ie. there are a total of 18 observations): df Mean square Source Treatment Error Total Sum of Squares 1116 1068 2184 What are the degrees of freedom for the treatment and error sources of variation? Multiple Choice 0 3 and 15 0 2 and 15 0 3 and 18 0 2 and 17
The following ANOVA table is from an experiment that had a group receiving a placebo as the no treatment control, a group that received a dose of experimental compound A, another group receiving compound B while a final group received both drugs in combination. Each of the groups contained 10 subjects. The following information has been calculated but important pieces are missing. Source of Variation Sum of Squares df Mean squares F-ratio P Groups (treatments) 8.804 0.004 Error 10.512 Total...
An experiment has been conducted for four treatments with eight blocks. Complete the following analysis of variance table (to 2 decimals, if necessary and p-value to 4 decimals). If your answer is zero enter "" Source of Variation Sum of Squares Degrees of Freedom Mean Square Treatments Blocks p-value 1,000 400 Error Total Use a05 to test for any significant differences The p-value is less than.01 What is your conclusion? 2,000 Conclude not all treatment means are equal
Apply the techniques of two-way ANOVA to a data sample split into eight treatments with total degrees of freedom, df = 47, testing at the 2.5% level of significance. The Sum of Squares for Treatments is 42; the Mean Square for Blocks is 9, and the Mean Square for Error is 3. SS df MS F test Stats Treatments #1 #5 #9 #12 Blocks #2 #6 #10 #13 Error #3 #7 #11 XXXXXXX Total #4 #8 XXXXXXX XXXXXXX #14: What...
A student ran a between-subjects experiment comparing three treatments for depression: cognitive-behavioral therapy (CBT), client-centered therapy (CCT), and a no-treatment condition. Subjects were randomly assigned to the experimental condi- tion. After a sufficient duration on these treatments, the difference in subject’s depression scores pre/post study were measured using a valid depression assessment instrument. The data are summarized in the tables below. Conduct a Oneway ANOVA with α = 0.05 by first completing the values in the lower table, then using...
A study randomly assigned adult subjects to one of three exercise treatments: (1) a single long exercise period five days per week; (2) several ten-minute exercise periods five days per week; and (3) several ten-minute periods five days per week using a home treadmill. The study report contains the following summary statistics about weight loss (in kilograms) after six months of treatment: Treatment Mean Std. Dev. n Long periods 10.2 4.2 37 Multiple short periods 9.3 4.5 36 Multiple short...
Sleep apnea is a disorder characterized by pauses in breathing during sleep. Children who suffer from untreated sleep apnea often have behavior problems, including hyperactivity, inattention, and aggression. A common treatment for pediatric sleep apnea is the surgical removal of enlarged tonsils and adenoids that are obstructing the airways Suppose researchers at a sleep clinic are interested in the effect of surgical treatment for pediatric sleep apnea on aggressive behavior. They study 11 children without sleep apnea, 11 children with...
(1 point) Suppose theorists believe that training warehouse
workers can reduce absenteeism. Suppose an experimental design is
structured to test this belief. Warehouses in which training
sessions have been held for workers are selected for the study. The
four types of warehouses are (1) general merchandise, (2)
commodity, (3) bulk storage, and (4) cold storage. The training
sessions are differentiated by length. Researchers identify three
levels of training sessions according to the length of sessions:
(1) 1-20 days, (2) 21-50...
Sleep apnea is a disorder characterized by pauses in breathing during sleep. Children who suffer from untreated sleep apnea often have behavior problems, including hyperactivity, inattention, and aggression. A common treatment for pediatric sleep apnea is the surgical removal of enlarged tonsils and adenoids that are obstructing the airways. Suppose researchers at a sleep clinic are interested in the effect of surgical treatment for pediatric sleep apnea on hyperactive behavior. They study 11 children without sleep apnea, 11 children with...
show all work please
A professor predicts that students will lean better if they study to white noise (similar to a fan) compared to music or no sound. She randomly divides 27 students into three groups and sends them to three different rooms. In the first room, students hear white noise, in the second, music from a local radio station, and in the third, the door is closed to help block out normal sound from the hall. Each group is...