Give examples of 2 variables that are positively correlated and two that are negatively correlated.

Q: A researcher noticed that in Florida, there is a strong positive correlation between the number of…

A: A researcher noticed that in Florida, there is a strong positive correlation between the number of…

Q: Sociologists suspect there's is a relationship between education level and level of social activity…

A: It is needed to test, whether the there is a relationship between education level and level of…

Q: Arianna gathered data about the distance of 20 cities from the equator and the average hours of…

A: In this question, we need to find the type of correlation.

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: For n = 188 students, the correlation between y = fastest speed ever driven and x = number randomly…

A: The objective of the question is to interpret the correlation coefficient (r) between two variables,…

Q: riance and correlation matric

A: s no X1 X2 X3 X4 1 48 7.2 4.9 495 2 40 7.4 5 524 3 41 7.7 5.3 461 4 52 7.1 4.8 552 5 41…

Q: hat is the dependent variable, constant, independent variable, and control group? Do bigger dogs…

A: A scientific experiment consists of a set of steps designed to test a hypothesis. To correctly…

Q: Two variables have a linear correlation of 0.97. Which of the following is true? a. The variables…

A: Given data  Linear Correlation coefficient r = 0.97 We have to identify true properties.

Q: 10 examples of independent variables related to dependent variable -> high quality service. Draw the…

A: Independent and Dependent Variable Examples In a study to determine whether how long a student…

Q: Linear Regression  Discuss any two variables that you believe are correlated. Clearly state your…

A: Linear regression

Q: negative linear correlation, the slope of the least-squares line is negative

A: The general form of the regression line is: Y^=a+bXY Where Y^ is the predicted value, 'a' is the…

Q: true or false If the number of flowers in a field is negatively correlated with the number of…

A: We know that if their is negative correlation between two variable then, decreases of one variable…

Q: If there is a strong negative linear correlation between the amount of money in the bank and the…

A: A strong negative correlation is when one of two variables increases in value while the other…

Q: What will be the mathematical and statistical model/ equation when

A: Here given , X is the dependent variable, and   Y is the independent variable

Q: please post 1 set of variables with a positive correlation and 1 set of variables with a negative…

A: Correlation: The direction of the relationship of correlation can be a positive relationship or a…

Q: Question 2: Are the two variables positively correlated or negatively?

A: The data shows the tests and cases variables.

Q: What is a dependent variable?

A: To explain what is a dependent variable

Q: If you look at many cities in the United States, there is a positive correlation between the number…

A: here given , If you look at many cities in the United States, there is a positive correlation…

Q: Describe about the Linearity as correlation coefficient assumption.

A: The assumptions for correlation coefficient are as follows: 1) Level of measurement. 2) Related…

Q: f two variables are correlated, does that mean that they are causally linked? Explain.

A: Correlation is used to find the relationship between two quantitative variables. As the correlation…

Q: How would the value of the correlation coefficient chang if the car weights were recorded in…

A: Using the correlation coefficient properties, the correlation coefficient does not affect by any…

Q: How can two variables be displayed in a scattergram?

A: A scatterplot is a type of display of data that shows the relationship between two numerical…

Q: People often think that correlation implies causation. In other words, if two variables are…

A: Correlation can be calculated using two different methods, they are Karl Pearson Correlation and…

Q: f I conclude that as temperature increases, the number of snowboard sales decrease, this would be a…

A: The statement is As temperature increases, the number of snowboard sales decrease

Q: If variable X remains constant as variable Y decreases, the correlation is said to be: zero negative…

A: We have to find  correct answer.

Q: Suppose a positive linear correlation is found between two quantities. Does this mean that one of…

A: The positive correlation is a relationship between two variables in which both variables move in…

Q: What is negatively correlated?

A:

Q: In general, a zero correlation means as the values of one variable increase, there is a tendency…

A: Given problem Given that   In general, a zero correlation means   Ans)   as the values of one…

Q: Suppose a local university researcher wants to build a linear model that predicts the freshman year…

A: Given: x = 1501.717708 y = 3.300318 Sx = 104.141305 Sy = 0.451901 r = 0.503202 Formula Used: Slope b…

Q: The command aov(x,y) can be used to calculate the correlation coefficient between x and y O True O…

A: aov(x, y) is used to find correlation between x and y  True  False

Q: A zero correlation bewteen X and Y is least likely to occur if?

A: The strength and direction of linear relationship between two variables is measured by correlation,…

Q: Carl is conducting a research study and finds a significant positive correlation between a state's…

A: The correct option is (B). Confounding variable

Correlation

Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

Linear Correlation

A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related. 

Regression Analysis

Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.