plain five consequences of omitting a relevant variable(s) from a model.

Q: What is the interpretation of the coefficient on the time period dummy variable in a panel model…

A: A dummy independent variable which for some observation has a value of 0 will cause that variable's…

Q: 10. Explain what type 1 error is.

A: here  type 1 error is occur when rejecting null hypothesis ,   actually  null hypothesis is true

Q: If the standardized mortality ratio from a textile worker industry were 4.0 or 400% and the…

A:

Q: Explain the difference between a quantitative predictor variable and a qualitative predictor…

A: Qualitative predictor variable: The values of the qualitative variable do not occur naturally on a…

Q: Give a long introduction for  research misconducts.

A: We have to give a introduction of research misconduct.

Q: If the regression line is not a "good fit" what would be better to use to approximate a response…

A: The response variable is called dependent variable. If the regression line is not a good fit, then…

Q: A professor hypothesizes that there will be a positive relationship between couples’ listening…

A: Hypothesis: Hypothesis is an assumption about the parameter of the population which will be made on…

Q: What does the term "standard error" mean, and what does it imply?

A: Given problem Given that

Q: Explain Quantitative variable?

A: Quantitative variables: The quantitative variable is the variable that measures a numerical…

Q: Formulate the standard error of the difference between means?

A: Known population standard deviations: Let a sample of size n1is taken from a population with mean…

Q: Compute the absolute risk reduction for a smoker compared to a non-smoker. Answer: % - % =…

A: It is been asked to find the absolute risk reduction using the given information.

Q: What is the predicted wage of a 25 year old female with 15 years of education and 5 years of…

A: The regression line is used to predict the dependent variable based on the independent variable. If…

Q: How do I solve for the mean, quartile 1 and 3?

A: To calculate the mean, median, mode, quartile 1 and quartile 2 of the given data, we should first…

Q: Question is describe a type II error

A: In a study of smokers, 39 are smoking after one year and 32 are not smoking after the treatment; the…

Q: What is Standard Error of the Difference between Means?

A:

Q: The Chi-Square analysis provides researchers with a specific estimate of the overall significance…

A: The chi square test tells if the data distribution observed across the categories is similar to the…

Q: Is peer tutoring, quantitative or categorical variable? why? b. Is academic performance,…

A: Solution-: We want to find,  (a) Is peer tutoring, quantitative or categorical variable? why? (b) Is…

Q: The data collected without any objective is called numbers True or false

A: The data collected without any objective is called numbers.

Q: Explain the concept of standardize the predictor variable ?

A: Standardization is the process of putting different variables on the same scale. The standardization…

Q: Explain the difference in how VAR Models are used in performing forecasting and how they are used in…

A: The difference in how VAR Models are used in performing forecasting and how they are used in…

Q: can someone help me please? Does it surprise you that higher percentages of the participants in the…

A: 1. From the given information, the correlation values for two groups among the six categories are…

Q: The abilityto examine the variability of a solution due to changes in theformulation of a problem is…

A: The ability to examine the variability of a solution due to changes in the formulation of a problem…

Q: Discuss all possible factors that would affect the validity of test scores

A: A test score is the value of the test statistic when the values of the parameter are put.

Q: 4. Explain when each of the three potential outcomes of the ratio test occurs (con- verges,…

A: (a) The series is ∑∞k=1 ak   The series ∑∞k=1 ak converge when the ratio test of the series less…

Q: Explain what is meant when we say that a quantitative predictor variable and a qualitative predictor…

A:

Q: The z-score has no units even though the original values will normally be expressed in units such as…

A: Definitions: Z-score: A Z-score is a numerical measurement that describes a value's relationship to…

Q: What is a variable that the authors of this study could have controlled for, but did not? Explain…

A: The variable "Race" is a variable which the authors could have controlled for, but did not

Q: How to Compute the standard error of the difference between means?

A: Standard error of the mean: The standard error of the mean is defined as the value of the standard…

Q: 10. True or False? In a study of cardiovascular risk factors, we might collect information on…

A:

Q: 6. In your own words, explain the difference between a statistic and a parameter

A: Since you have asked multiple question, according to our guidelines we will solve the first question…

Q: Modified True or False Multicollinearity is caused by an inaccurate use of dummy variables.

A: Here we need to tell the given statement is true or false with an explanation.

Q: Test if there is a significant difference in the difference in purchase potential of the product: а.…

A: We have to test if there is a significant difference in the difference in purchase potential. You…

Q: Illustrate Test the difference between a complete and reduced model for significance?

A:

Q: A Midwest college admissions committee recently conducted a study to determine the relative debt…

A: Let, s1 and σ1 be sample and population sd's of four year graduates respectively s2 and σ2 be sample…

Q: Explain different types of probablities with numerical problem example.

A: The following are the classifications of probability: a) Classical Probability: If a random…

Q: How to create a good research hypothesis?

A: *Answer :    There are several criteria that make a research hypothesis a good one, and following…

Q: Is a point estimate a parameter or statistic?

A: here use definition of given term

Q: Explain in simple words the difference between the Causal and Correlated metric types.

A: causations and correlation (connections) can exist simultaneously, relationship doesn't infer…

Q: Provide a comprehensive comparison and contrasting of Independent and Dependent Variable

A: An independent variable is the variable that is changed or controlled in a scientific experiment to…

Q: What is the difference between an extraneous variable and a confounding variable?

A: The following are the difference between the Extraneous variable and the Confounding variable .

Q: Distinguish between Research methods and Research methodology.

A: The research method accounts for all those methods, which a researcher employs to conduct a research…

Q: Describe about the Why the Research Hypothesis Isn’t Tested Directly.

A: The null hypothesis is a neutral statement about a population parameter that is never proved or…

Q: Explain the Difference between Hypothesized and True Mean?

A: In general, both true mean and hypothesized mean refers to the population mean. We often do not have…

Q: Are there any drawbacks, limitations and/or pitfalls to using one-variable data table and…

A: We should write if there are any drawbacks or limitations using one variable data and simulations.

Q: claim that the mean IQ score of people With low blood lead levels is higher than the mean IQ score…

A: Step 1: The claim that the mean IQ score of people with low blood lead levels is higher than mean IQ…

Q: literature review based

A: Literature review is not a qualitative research method.  Literature review is a prerequisite…