Determine whether the given correlation coefficient is statistically significant at the specified level of significance and sample size. r=0.435, α=0.01, n=24 can you explain the formula, please? I saw another example but they were using a 2 value in the formula and I want sure where the 2 came from.

Determine whether the given correlation coefficient is statistically significant at the specified level of significance and sample size. r=0.435, α=0.01, n=24 can you explain the formula, please? I saw another example but they were using a 2 value in the formula and I want sure where the 2 came from.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: Calculate the sample correlation coefficient r (show all your work). b) Calculate the regression…

A: The data of ages ( in years ) of 10 infants and the number of hours each slept in a day is given in…

Q: n looking at your data, you notice that there are at least 3 outliers.What effect do outliers have…

A: In correlation analysis, an outlier is a data point that does not fit the general trend of our data.…

Q: Given the linear correlation coefficient r and the sample size n, determine the critical values of r…

A: The degrees of freedom is, df=n-2=90-2=88 The degrees of freedom is 88. From the table of Critical…

Q: Given the linear correlation coefficient r and the sample size n, determine the critical values of r…

A: The critical value is obtained below:From the given information the value of correlation is (r) =…

Q: Suppose that a researcher obtains a correlation of r equals 0.60 for a sample of n equals 10…

Q: Which value of r indicates a stronger correlation: r0.732 or r-0.869? Explain your reasoning. Choose…

A: Given two values of r which represents correlation coefficient between two variables. We have to…

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Use EXCEL to construct the scatter plot. EXCEL procedure: Go to EXCEL Go to Insert menu Select…

Q: A group of students measure the length and width of a random sample of beans. They are interested in…

A: Given: Variable 1 = X = length Variable 2 = Y = width Mean width: 7.555 Stdev width: 0.914…

Q: In the table below, let X be the number delinquent peers a respondent has and Y be the number of…

Q: Choose the most appropriate completion of the sentence. In order to indicate a strong correlation…

A: The correlation coefficient is denoted with "r" and it measures the strength and direction of…

Q: A study of bone density on 55 random women at a hospital produced the following results. Age 41 53…

A: A study of bone density on 5 random women at a hospital produced the following results: Age 41…

Q: Suppose that you want to run 4 correlations, and you want your Experiment Wise α (EWα) to be .05.…

A: #per comparison alpha(Pc alpha)=alpha/n Corrected p value=original p value/no of test performed…

Q: he ages (in years) of 10 men and their systolic blood pressures (in millimeters of mercury) are…

A: After removing the age=50 and systolic pressure =201 Given data is X Y X*Y X*X Y*Y 18 109…

Q: The test statistic is t = (Round to two decimal places as needed.) The P-value is. (Round to three…

A: The total number of pairs of observations is n = 14.Suppose the height of president is defined as x…

Q: Professor Pass Anyone, a statistics instructor, wants to determine if there is a positive linear…

A: Determine the dependent and independent variables. The dependent and independent variables are…

Q: Find the coefficient of correlation between X of Y from the data given Table 5.1. Assume that X and…

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: The following information has been given: x y 79.4 5.6 78.9 8.8 56.8 3.2 68.0 1.7 77.7…

Q: Computer, the correlation coefficient, using the following data. r= (Round to two decimal places.) X…

A: The data are XYX⋅YX2Y235159251991818006405420251662123642714449Sum =252770139175

Q: :. You read in a recent study that third-graders' ability to solve story problems was correlated to…

A: Given information: The correlation coefficient between the scores of pre-assessment and…

Q: Answer the questions with the data on picture, please. a) Determine the sample correlation…

A: x=16 ; sx=2 ; y=-6 ;sy=5 ;sxy=7 ; b1=-0.8;

Q: If the correlation coefficient r is equal to 0.594, find the coefficient of determination and the…

A: Given information: The correlation coefficient is, r = 0.594 It is required to find the coefficient…

Q: The Pearson correlation is valuated for a sample of n=32 individuals.If a hypothesis test is used to…

A: we have to find out degree of freedom for t test statistics here given that the test the…

Q: Compute the sample correlation coefficient (to decimals and enter negative value as negative…

A: The table shows the x and y values.

Question

100%

Determine whether the given correlation coefficient is statistically significant at the specified level of significance and sample size.

r=0.435, α=0.01, n=24

can you explain the formula, please? I saw another example but they were using a 2 value in the formula and I want sure where the 2 came from.

Definition Definition Statistical measure used to assess the strength and direction of relationships between two variables. Correlation coefficients range between -1 and 1. A coefficient value of 0 indicates that there is no relationship between the variables, whereas a -1 or 1 indicates that there is a perfect negative or positive correlation.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

For each sample, do a test for zero correlation. a. r = +.45, n = 20, α = .05, two-tailed testb. r = −.35, n = 30, α = .10, two-tailed testc. r = +.60, n = 7, α = .05, right-tailed testd. r = −.30, n = 61, α = .01, left-tailed test Find the critical value of tα. Perform the t test and report your decision. (Round your answers to 3 decimal places. Negative values should be indicated by a minus sign.) Sample t-calc t-crit decision a Ho b Ho c Ho d Ho
Given the linear correlation 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 correlation. Use a significant level of 0.05. r = 0.25, n = 90
Determine whether the given correlation coefficient is statistically significant at the specified level of significance and sample size. r=−0.599 α=0.01, n=11 Yes or No?
What are the hypotheses for testing to see if a correlation is statistically significant? Hor=0: H₁r0 Ho: p=0: H₁p0 Ho: p= ±1: H₁p #±1 Ho: p = 0; H₁:p=1 Ho: r = ±1; H₁: r#±1
For a random sample of households in the US, we record annual household income, whether the location is east or west of the Mississippi River, and number of children. We are interested in determining whether or not there is a linear relationship between household income and number of children. Part 1 (a) State the null and alternative hypotheses. Ho: II vs Ha: 44₁ :: p ₂ ^ P₁ p II :: P₁ A P₂ : 0 p
Determine whether the correlation coefficient is statistically significant at the specified level of significance for the given sample size. r=−0.462, α=0.05, n=22
A researcher obtained the following results for a study: n = 44, SSy = 340603, SSx = 33712, B̂ = 2.0025 Find the correlation for these results?
The correlation coefficient r is a sample statistic. What does it tell us about the value of the population correlation coefficient ?(Greek letter rho)? You do not know how to build the formal structure of hypothesis tests of ? yet. However, there is a quick way to determine if the sample evidence based on ? is strong enough to conclude that there is some population correlation between the variables. In other words, we can use the value of r to determine if ? ≠ 0. We do this by comparing the value |r| to an entry in the correlation table. The value of ? in the table gives us the probability of concluding that ? ≠ 0 when, in fact, ? = 0 and there is no population correlation. We have two choices for ?: ? = 0.05 or ? = 0.01. (a) Look at the data below regarding the variables x = age of a Shetland pony and y = weight of that pony. Is the value of |r| large enough to conclude that weight and age of Shetland ponies are correlated? Use ? = 0.05. (Round your answer for r to four decimal…
In a sample of n=20 what would be the student's t test statistic for a correlation of r=0.400?
Help!!
Please review the attached example and explain it in detail, please. Could you also solve the last part for 0.01 & 0.05, please? So I know the difference when calculating? Thanks!
If the correlation coefficient r is equal to 0.585, find the coefficient if determination and the coefficient of no determination