In a 2-factor factorial experiment, factor A has a = 4 levels and factor B has b = 5 levels. A balanced design is used with 10 replications per treatment combination. Then the number of degrees of freedom for the interaction effect in the ANOVA procedure is and the number of degrees of freedom for the error is Both final answers are whole numbers. HIM
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- A researcher would like to use a factorial study to compare two programs designed to help people stop smoking. The smoking behavior of each participant will be measured at the beginning of the program, at the end of the program, and again four months after the program has ended. Thus, the two treatment programs make up one factor, the three measurement times make up the second factor. For this study, which factor(s) should be between-subjects and which should be within-subjects? Explain your answer.A researcher would like to use a factorial study to compare two programs designed to help people stop smoking. The smoking behavior of each participant will be measured at the beginning of the program, at the end of the program, and again 4 months after the program has ended. Thus, the two treatment program make up one factor, three measurement times make up the second factor. For this study, which factor (s) should be between subjects and which should be within subjects?You conduct a one-factor ANOVA with 3 groups and 6 subjects in each group (a balanced design) and obtain F=3.68. Find the requested values. dfbetween= dfwithin=
- A two-factor study with three levels of factor A (i.e., independent variable #1) and 3 levels of Factor B (i.e., independent variable # 2) uses a separate group of n = 5 participants in each treatment condition. How many participants are needed for the entire studyA farmer divided his piece of land into 4 equivalent groups. The quality of the soil is the same across the 4 groups of land. He planted the same crop in all 4 groups of land and recorded the yield of the crop in all 4 groups for a 4 week period. Is the study observational or experimental? If it is an experiment, what is the controlled factor? Select the correct answer below: The study is an observational study. The study is an experiment. The controlled factor is the 4 week observation period. The study is an experiment. The controlled factor is the land. The study is an experiment. The controlled factor is the growth of the crops.How do I make a factorial Anova table in R? I have 2 x 3 factorial ANOVA. One factor is music: No music, slow temp and fast temp. The other is time: immediately and after ten minutes. How do I turn this information into a table in R Studio?
- An experimenter was interested in the effects of three types of therapy and gender on a measure of quality of life. She designed the experiment so that the male subjects were randomly assigned to the different therapies and the female subjects were also randomly assigned to the different therapies. The type of therapy was experimentally manipulated and after six months the outcome was measured. A two-factor design was used. How many independent variables are there in this design? Name each factor (using appropriate descriptors from the paragraph) How many total groups (cells) are there in this design? Name the dependent variable:A 2-factors experiment with 2 levels of Factor A and 4 levels of Factor B uses n = 10 participants in each group. What is the total number participants, N needed for the study?An advertising agency is testing the effectiveness of anew commercial. They are trying out the commercialin three different time lengths (15, 30, and 60 seconds)and two formats (animated vs. live action). Each test audience will rate the product after seeing the commer-cial shown in one way. Which description of this study is correct?a) An experiment with 2 factors (length and format),one having 3 levels (15, 30, 60) and the other having2 levels (animated and live) for 6 treatments.b) An experiment with 2 factors(length and format) at5 levels (15, 30, 60, animated and live) for 5 treatments.c) An experiment 1 factor (length) blocked by formatwith 3 levels (15, 30, 60).d) A sample survey with two questions and oneresponse.e) A sample stratified by length and format.
- An amusement park studied methods for decreasing the waiting time (minutes) for rides by loading and unloading riders more efficiently. Two alternative loading unloading methods have been proposed. To account for potential differences due to the type of ride and the possible interaction between the method of loading and unloading and the type of ride, a factorial experiment was designed. Use the following data to test for any significant effect due to the loading and unloading method, the type of ride, and interaction. Use a = 0.5. Factor A is method of method of loading and unloading; factor B is the type of ride. Thank youSixty-five percent of people pass the state driver’s exam on the first try. A group of 50 individuals who have taken the driver’s exam is randomly selected. Give two reasons why this is a binomial problem.You conduct a one-factor ANOVA with 6 groups and 5 subjects in each group (a balanced design) and obtain F=2.99 Find the requested values.dfbetween= dfwithin=