Calculus and Above

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If I have a large (N=240), single group, treatment study,
If I have a large (N=240), single group, treatment study, with measures taken every 3 months for 2 years, is it possible to statistically isolate components of that intervention and compare them? … read more
R.R. Jha
Bachelor's Degree
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THIS ASSIGNMENT IS DUE MONDAY, DECEMBER 9 BY 9 PM PST.
THIS ASSIGNMENT IS DUE MONDAY, DECEMBER 9 BY 9 PM PST. PLEASE SEE ATTACHMENTS :)In the attached article (Posell et al., 2013), researchers present a study of depression prevention strategies among ado… read more
Sandhya_sharma
Master's Degree
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Trying to figure out which stats to run for analysis of an
Trying to figure out which stats to run for analysis of an RCT. I have 2 groups. I am looking to see effects of teaching program. … read more
GLENN GILONGOS
Master of Mathematics
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I have two more sets of statistics questions and a paper due
I have two more sets of statistics questions and a paper due this week. I would like to ask for your assistance and I need to know how much to write the paper? Thanks.… read more
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Conduct a one-tailed hypothesis test given the information below
1. Conduct a one-tailed hypothesis test given the information below. A manufacturer wants to increase the shelf life of a line of cake mixes. Past records indicate that the average shelf life of the m… read more
Expert
Week 3 Assignment1. Using StatCrunch, calculate the chi-square
Week 3 Assignment 1. Using StatCrunch, calculate the chi-square statistic and degrees of freedom for the following set of data for 300 people: Group A Group B Group C Total Had flu shot 20 30 32 82 Di… read more
Mr. Gregory White
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Will a sample of 96 (48/group) provide 80% power to detect
Will a sample of 96 (48/group) provide 80% power to detect in a two way between-groups RM-ANOVA a moderate effect of .40 using a 2 tailed alpha of .05?… read more
mcleo19
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32. This is used to compare means while controlling for the
32. This is used to compare means while controlling for the effect of a covariate. (Points : 1) ANOVA RANOVA ANCOVA Dependent t-test 33. The assumptions for ANCOVA differ substantially from those for … read more
Stevewh
Teacher
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This consists of three sectionsI. The research scenario—to
This consists of three sectionsI. The research scenario—to provide the context for the data. Please note that the data are “content-neutral,” i.e., they do not refer to a specific discipline or field.… read more
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Bachelor's Degree
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I am trying to work out what might not be OK about the statistical
I am trying to work out what might not be OK about the statistical analysis used in Buchbinder (2009) DBRT of Vertebroplasty. I know it has something to do with the independent t tests but am a bit lo… read more
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The statistics for this week become the basis for several other
The statistics for this week become the basis for several other tests you may do. These are the foundational concepts of statistics. To prepare for this Application: Review Chapter 15 and Appendix E i… read more
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Bachelor's Degree
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Samples of pages were randomly form three different novels
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Trigeoscal
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I need help with statistics involving Analysis of Variance
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Stevewh
Teacher
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Continuation of questions sent earlier... Bias relates to: INTERNAL
Continuation of questions sent earlier... Bias relates to: INTERNAL VALIDITY RATING FORM YES NO Participants 1. Sample selection: did investigators clearly specify inclusion/exclusion criteria to mini… read more
SusanAthena
Master's Degree
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I have a number of data sets that are scored between 0 and
I have a number of data sets that are scored between 0 and 5, indicating higher or lower approval. However, the frequency of scores, i.e. the number of times participants entered scores are different … read more
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What does the following mean in laymans terms In consideration
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mcleo19
Assistant Professor
Doctoral Degree
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Two stress tests were administered in the experimental group...one
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I am doing a quantitative comparative study on recess and academic
I am doing a quantitative comparative study on recess and academic achievement. I basically want to figure out if having or not having recess has any affect on students' academic achievement tests as … read more
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