We can make a causal claim from the results of the chi-square test ? tru or false

Q: Please indicate the dependent and independent variables in the following hypotheses. Consumers’…

A: Here we are talking about dependent and independent variables

Q: You found a strong positive correlation between the number of home-game wins for your school’s…

A: Solution Given a high-number of home game wins causes high home-game attendance.

Q: When the correlation between X and Y is zero, the best prediction of Y for a given value of X is The…

A: Here we have to choose the correct option When the correlation between X and Y is zero, the best…

Q: Maya conducted an experiment that tests the hypothesis that "Studying hours have a positive effect…

A: Here given Maya conduct experiment tests the hypothesis

Q: Question Dr. King is concerned that STA 2381 students aren't studying enough. There are 7 sections…

A: A variable is a characteristic that is being measured.

Q: Empirical directional hypothesis Would Study time and exam scores be relational or causal? How can…

A: The answers provided delve into the nuanced distinction between a relational and causal relationship…

Q: Where did the 1.463 and +- 1.960 came from ?

A: According to the given information in this question We need to identify from where test statistic…

Q: ion between two variables is (-1) then the two variables are said to

A: Correlation is defined as the linear relationship between the two variables. The range of the…

Q: If the Pearson Linear Correlation between a variable X and another variable Y is found to be .59,…

A: 1. Finding a:  The slope a of the regression line can be calculated from the Pearson correlation…

Q: Please no written by hand solution and no image  authors of a research article were interested in…

A: for the difference in mean body esteem scores between the video treatment and the control group (no…

Q: The regression lines between two random variables X and Y is given by 3X + Y = 10 and3X + 4Y = 12…

A:

Q: The solutions are not clearly showing on my end. what exactly is the P value and test statistic?

A: The sample size for night students is 40, sample mean 2.14, and standard deviation is 0.07. The…

Q: When a researcher uses a one tailed test, she/he expects the independent variable to have? A. some…

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: Suppose X1, ..., Xn are iid with PDF f (x | 0) = 40ªx-5. x > 0, where 0 > 0. Find the method of…

A:

Q: In an experiment, a variable whose value is manipulated, or changed, In the experiment is the:

A: Given: In an experiment, a variable whose value is manipulated, or changed, In the experiment is…

Q: ) Which of the following represents the closest relationship between two variables? Or= -0.50…

A:

Q: True or False: Collinearity is present when there is not a high degree of correlation between any of…

A: Collinearity is present when there is not a high degree of correlation between any of the…

Q: To compare the effect of hospital prenatal nutritional counseling on newborn birthweights, we…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve the first…

Q: If o, = 0, - = o and the angle between the regression lines is tar . Find the coefficient of…

A:

Q: we have described the difference between interpretation and extrapolation. Explain, in your own…

A: In extrapolation, we are estimating or forecasting a future value with the given values or in other…

Q: Katy is interested in Chinese language learning. She believes that the Chinese characters with…

A: Given information: Katy is interested to study whether the Chinese characters with different numbers…

Q: Which of the following refers to the variable that is being manipulated during an experiment?…

A: The objective of the question is to identify the type of variable that is manipulated or controlled…

Q: ? = (X-uo)/ SE. %3D This formula allows us to compute the descriptive Z-score correlation…

A: Usually (X)-μSE is the standardization of sample mean or sometimes called z-score, which makes mean…

Q: The nutritionist wants to determine if the satisfaction levels (measured from 1-10, 10 being the…

A: Given: The p-value for females by the Shapiro-Wilk normality test is 0.2748 and that for males is…

Q: Please answer number 13.

A: It is given that 43% had no children, 18% are had one child, 18% are have two children, 21% have…

Q: Please generate two hypotheses (one positive relationship one negative) using continuous and…

A: Based on causal relationship: Let time of study be the continuous variable and grades achieved by…

Q: A researcher selects a sample and administers a treatment for anxiety to the individuals in the…

A: The null hypothesis is the treatment has no effect on anxiety.

Q: se McNemar's Test since the data are dependent? P(physicians pos | computer pos) != P(physicians…

A: Physician diagnosis    Computer diagnosis Infected Not Infected Total Infected 48 20 68 Not…

Q: The t-test is a very useful parametric statistical test. Explain what the t-test is used for and…

A: T-test is used for single mean. Scenario 1: The Average math score in a college is 75. 25 students…

Q: A member of COVID-19 taskforce claims that the amount of variable X, influences the decrement of…

A: Clear explanation have been provided.................

Q: The nonparametric test should not be used when what?

A: We use non parametric test when the assumptions of parametric test are not fulfilled.

Q: Which of the following refers to the variable that is being manipulated during an experiment?…

A: The objective of the question is to identify the type of variable that is manipulated or controlled…

Q: The heights of tomato plants are Normally distributed with a mean of 3.56 feet and a standard…

A: It is given that μ=3.56 and σ=0.25   Use standardization asz=x-μσ

Q: A correlation between two variables is spurious when the correlation disappears after adding a…

A: Given statement: A correlation between two variables is spurious when the correlation disappears…

Q: 4 A researcher obtained a correlation of +.52 between variable A and variable B. What is the best…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: How do we get the P value of one tailed and two tailed without using the excel?

A: One tailed test :  It shows possibility of an effect in one direction (either positive or negative)…

Q: give a situation (real life situation) that best explain the given

A: Accuracy of an estimator refers to the closeness of a measure from the true value of the parameter.…

Q: If the dependent variable Y correlates with the independent variable X, this suggest that X has a…

A: Given that if the dependent variable Y correlates with the independent variable X, Than we have to…

Q: If r = +0.2 for 'Age' versus 'Hours spent on social media', what is your conclusion? There is a…

A: The correlation shows relationship between 2 variables.