The chi-square test is appropriate for use when: you have data from two numerical variables. you have the dependent and independent variables need to be measured on an interval or ratio scale. you have data from two categorial variables. O you have one categorical independent variable and one numerical scaled dependent variable.

Q: For each of the variables described below, indicate whether it is a quantitative or a categorical…

A: a) The variable is temperature (in degree Celsius).

Q: A random sample of boarding school students was asked how many 8-ounce servings of soda they had…

A: a) In regression theory, dependent variable is the response variable, which is predicted using the…

Q: A researcher was interested in testing males' and females' use of language. Participants were asked…

A: A researcher was interested in testing males' and females' use of language.  1) Independent variable…

Q: For each of the variables described below, indicate whether it is a quantitative or a categorical…

A: a) A variable is called categorical if includes different categories or labels. The “Native…

Q: What is the predicted value for delinquency for a family with a family support score of 546? Using…

A: 1. What is the predicted value for delinquency for a family with a family support score of 546? The…

Q: Krista wants to compare males and females on smoking behavior. If smoking is measured as a nominal…

A: In this case, we are comparing the males and females on smoking behaviour.

Q: For each of the variables described below, indicate whether it is a quantitative or a categorical…

A: a) Occupation – It is Categorical variable because there are different kinds of job in different…

Q: anxiety.  The researcher randomly selected n = 5 participants and asked each to rate their sleep…

A: From the given date we want to find the y intercept.

Q: Match the coefficient of determination to the scatter diagram. The scales on the x-axis and y-axis…

A: It is an important part of statistics. It is widely used.

Q: For each of the variables described below, indicate whether it is a quantitative or a categorical…

A: Explanation: Level of measurements: 1. Quantitative  i). Interval ii). Ratio  2. Categorical. i).…

Q: For each of the variables described below, indicate wnether it IS quantitative or categorical…

A: Quantitative Variables are variables which take numerical values and can be quantified whereas…

Q: each of the variables described below, indicate whether it is a quantitative or a categorical…

A: (a) The continuous quantitative variable is the variable that is measured and can take on countably…

Q: To study cockpit sound level (the variable Noise) the following data was taken on 59 plane flights:…

A: The multiple linear regression model is given by: Noise^=64.00-0.47×Climb-1.18×Descent+0.08×Speed…

Q: Match the coefficient of determination to the scatter diagram. The scales on the x-axis and y-axis…

A: Coefficient of determination: The coefficient of determination R2, is used to measure the proportion…

Q: Match the coefficient of determination to the scatter diagram. The scales on the x-axis and y-axis…

A: (a).The coefficient of determination is the square of the correlation coefficient.The coefficient of…

Q: You are given the following information about x and y. (Note: copy and paste the data in an Excel…

A: Coefficient of determination is denoted by r2

Q: For each of the variables described below, indicate whether it is a quantitative or a categorical…

A: (a) Duration (in minutes) of a call to a customer support line is quantitative type of variable…

Q: 1 3 4 2 2 3 3 a. Compute ß, B, and the equation of the estimated regression line. b. Calculate a…

A: Solution To find the equation of regression line we will use Excel According to the guidelines we…

Q: olve the relationship of the 2 variables given the data using pearson R.

A: We want to find Pearson correlation

Q: In terms of bivariate analysis, classify height and weight as either dependent or independent…

A: Dependent variable: a variable whose value depends on that of another.   Independent variable: a…

Q: Two variables of interest to you are: Type of activity and fina exam marks. State what is the type…

A: There are two variables Type of activity and final exam marks. Now Type of activity can take…

Q: For each of the variables described below, indicate whether it is a quantitative or a categorical…

A: There are four levels of measurement: Nominal Ordinal Interval Ratio

Q: What is the population? What is the dependent variable? What is the…

A: The given statement is- A professor at the University of Alabama was interested in evaluating the…

Q: You wonder whether talking to plants keeps them from dying. You conduct a study in which you talk to…

A: Given: You wonder whether talking to plants keeps them from dying. You conduct a study in which you…

Q: For each of the variables described below, indicate whether it is a quantitative or a categorical…

A: The objective of the question is to identify the type of variable (quantitative or categorical) and…

Q: Give an example, other than those presented in this section, of a a. qualitative variable.b.…

A: a)Qualitative variable: A variable that is used for the classification of individuals based on some…

Q: The use of bivariate analysis is warranted when a. determining the association between two…

A: The use of bi-variate analysis is warranted when determining the relationship between two continuous…

Q: Patty wants to test the relationship between income and smoking behavior. If income is measured as…

A: Given information: The investigator is interested to test whether there is any relationship between…

Q: For each of the variables described below, indicate whether it is a quantitative or a categorical…

A: a) Temperature is Quantative as it is measurable and is Interval as Temperature has rangeHence, Type…

Q: Classify the following variables according to whether they are nominal, ordinal, interval, or ratio…

A: Given some variables, we have to classify the variables as nominal, ordinal, interval, or ratio…

Q: For each of the variables described below, indicate whether it is a quantitative or a categorical…

A: Solution

Q: For each of the variables described below, indicate whether it is a quantitative or a categorical…

A: a) The variable is Temperature (in degree Fahrenheit).