Calculus and Above

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Statistics are procedures for choosing whether data from a
statistics are procedures for choosing whether data from a sample accurately represents a specific relationship in the population. Group of answer choicesVariableDescriptiveSignificantInferential ———I… read more
Scott
Master's Degree
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I would like some assistance in answering some statistics
Hello, I would like some assistance in answering some statistics questions please:3. In the following situations, indicate whether you'd use the normal distribution, the t distribution, or neither.a. … read more
Nathan Weaver
Virtual Mathematics Teacher
Master's Degree
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Thanks. This is the question that i need help with: Why
Hi, Thanks. This is the question that i need help with: Why can't we just master a single statistical test—such as the t-test—and use it in situations calling for mean equality decisions? … read more
GLENN GILONGOS
Master of Mathematics
637 satisfied customers
The CEO of ABC manufacturing commissioned a study to look at
The CEO of ABC manufacturing commissioned a study to look at the differences between the current salaries of her employees by employee job title. There were three job categories: clerical, custodial, … read more
Rajan.Sareen
Sr. Statistician
Master's Degree
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11. Online interviews of 1500 parents with children
11. Online interviews of 1500 parents with children under the age of eight found the proportion who read to their children at least 20 minutes a day to be 0.78. Suppose a reporter would like to claim … read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
Attachment: 2014-08-23_062052_8.22.14_psy845.r.output_for_mod_5_exercises.docx Attachment: 2014-08-23_062135_8.22.14__module_5_questions.docx Attachment: 2014-08-23_062242_8.22.14_psy845.r.output_for_… read more
Ryan
Bachelor's Degree
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please help...please tell me you still have these answers i'm stuck on a few of them 1. A formal statement that there is an absence of relationship between variables when tested by a researcher is cal… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
A formal statement that there is an absence of relationship
A formal statement that there is an absence of relationship between variables when tested by a researcher is called:… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
1. Suppose that you wish to perform a nonparametric test for
1. Suppose that you wish to perform a nonparametric test for a difference among the medians of three or more independent populations. Which of these tests would be appropriate? (Points : 5) ANOVA Krus… read more
SusanAthena
Master's Degree
Master's Degree
102 satisfied customers
I have a random sample of 33 out of a population of 100. So
I have a random sample of 33 out of a population of 100. So every 3rd number was selected to get my 33 samples. Using systematic sampling how do I determine my data?… read more
Trigeoscal
College Math Professor
Master's Degree
960 satisfied customers
13. A researcher is interested in whether herbal remedies are
13. A researcher is interested in whether herbal remedies are effective in relieving allergies, and if so, which ones are most effective. The researcher takes a group of 20 allergy sufferers and rando… read more
Trigeoscal
College Math Professor
Master's Degree
960 satisfied customers
13. A researcher is interested in whether herbal remedies are
13. A researcher is interested in whether herbal remedies are effective in relieving allergies, and if so, which ones are most effective. The researcher takes a group of 20 allergy sufferers and rando… read more
Math-John
30 satisfied customers
This week we are covering two concepts this week. The first
This week we are covering two concepts this week. The first is ANOVA and we will cover that in this discussion thread. So far we have learned one sample hypothesis testing which is the comparison of a… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Suppose that you wish to perform a nonparametric test for a
1. Suppose that you wish to perform a nonparametric test for a difference among the medians of three or more independent populations. Which of these tests would be appropriate? (Points : 5) ANOVA Krus… read more
Math-John
30 satisfied customers
1)The required condition for using an ANOVA procedure on data
1)The required condition for using an ANOVA procedure on data from several populations is that the? A)The selected samples are depedent on each other. B)sampled populations are all uniform C)sampled p… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
) What are the critical z-values for a two-tailed hypothesis
) What are the critical z-values for a two-tailed hypothesis test if the significant level = 0.01? A. ± 1.96 B. ± 2.33 C. ± 2.58 D. ± 1.65 2) In classical hypothesis testing, the test statistic is to … read more
Chirag
Master's Degree
Master's Degree
12,192 satisfied customers
Dr. Einstein, thank you for answering all my questions thus
Dr. Einstein, thank you for answering all my questions thus far, you have done a great job. However, I do not see why my z tests would not be sufficient thus far because the way I obtained the informa… read more
Expert
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
Expert
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