Calculus and Above

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Compute the linear correlation coefficient between the two
Compute the linear correlation coefficient between the two variables and determine whether a linear relation exists by Hypothesis Testing. i will post a photo of the question… read more
Kofi
PhD in Statistics
Ph.D.
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Imagine your statistics professor wants to see if there is a
Imagine your statistics professor wants to see if there is a significant relationship between the number of hours you sleep and your final exam scores. To do so, your professor adds in a question at t… read more
Scott
Master's Degree
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The number of hours 10 students spent studying for a test
The number of hours 10 students spent studying for a test and their scores on that test are shown in the table. Is there enough evidence to conclude that there is a significant linear correlation betw… read more
rajeevanpillai
Master's Degree
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The number of hours 10 students spent studying for a test
The number of hours 10 students spent studying for a test and their scores on that test are shown in the table. Is there enough evidence to conclude that there is a significant linear correlation betw… read more
rajeevanpillai
Master's Degree
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The 10th percentile is the point in the distribution of
The 10th percentile is the point in the distribution of scores 1 where a student answers 10 percent of the questions correctly 2 where a student answers 90 percent of the questions correctly 3. below … read more
Ashleigh T
Educator
Master's Degree
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I have a project that I am working on for a statiscs in
I have a project that I am working on for a statiscs in research methods class where it indicates; The table below show the scores of 25 mathematics students in two mid-term tests and the final exam. … read more
R.R. Jha
Bachelor's Degree
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A 0.05 significance level is used for a hypothesis test of
A 0.05 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender​ selection, the proportion of baby girls is less than 0.5. Assume that sample d… read more
Sandhya_sharma
Master's Degree
Master's Degree
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Need help with my statistic test, due in 2 hours. Use the
Use the given information to find the coefficient of determination. A regression equation is obtained for a collection of paired data. It is found that the total variation is 24.488, the explained variation is 15.405, and the unexplained variation is 9.083. Find the coefficient of determination. can you help … read more
GLENN GILONGOS
Master of Mathematics
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Can you help me with these problems? Match the word or
can you help me with these problems? Match the word or sentence with its correct meaning Question 9 options: the strength of the linear relationship between two numeric variables is measured by the y-… read more
R.R. Jha
Bachelor's Degree
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I'm having difficulty in understanding what a question
I'm having difficulty in understanding what a question means. The question is: "How would you use this same information but set it up in a way that allows you to conduct a t-test? An ANOVA?" I've gott… read more
GLENN GILONGOS
Master of Mathematics
637 satisfied customers
I need help with homework. It is 10 multiple choice questions
I need help with homework. It is 10 multiple choice questions and it is from intro to statistics. Anytime today. No hurry!… read more
Stevewh
Bachelor's Degree
Bachelor's Degree
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1. Given the linear correlation coefficient r and the sample
1. Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correla… read more
Trigeoscal
College Math Professor
Master's Degree
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Assignment 2: Linear Correlation and Hypothesis Testing You
Assignment 2: Linear Correlation and Hypothesis Testing You will be examining pairs of variables to determine if there is any linear relation between the variables. Background Reading: Linear relation… read more
Math-John
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Assignment 2: Linear Correlation and Hypothesis TestingYou
Assignment 2: Linear Correlation and Hypothesis Testing You will be examining pairs of variables to determine if there is any linear relation between the variables. Background Reading: Linear relation… read more
Math-John
30 satisfied customers
Given the linear correlation coefficient R and the sample N
Question 1 of 20 Given the linear correlation coefficient r and the smaple size n, determine the critical values of r and use your finiding to state whether or not the given r represents a significant… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Another question is posted...and waiting for an expert. It
Another question is posted...and waiting for an expert. It is an continuation to the questions i nitially posted to you...I presented my summary of this project and requested feedback. Thanks.… read more
Expert
Hi. I need to perform a regression hypothesis test on the following
Hi. I need to perform a regression hypothesis test on the following data. research question is: Does a linear relationship exist between the number of ATM transactions and the change in account balanc… read more
Stevewh
Bachelor's Degree
Bachelor's Degree
7,610 satisfied customers
Medical stats help needed If you have a large number (71)
Medical stats help needed: If you have a large number (71) in each group , can you use a parametric test (paired t-test) even if you are unsure of a gaussian distribution? Would you then also be justi… read more
Expert
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