What is directional alternative Hypothesis and Non-directional Alternative Hypothesis? Give example

Q: Identify the dependent variable and independent variable with justification?

A: Dependent variable: The variable that is changed because of the influence of the independent…

Q: Confounding and effect modification are the same thing?

A: When a variable affects both the dependent and independent variables, Confounding occurs, resulting…

Q: Explain a 'false positive' (Type I) error and give an example. Explain a 'false negative' (Type II)…

A: Here we have to explain false positive (type-1)error and false negative (type-2) error False…

Q: What are first and second coefficient of skewness

A: Skewness is a measure that indicates the asymmetry in the distribution of data. The distribution of…

Q: How does Violation of homoscedasticity assumption can be done explain with diagram?

A: In linear regression, homoscedasticity is the assumption of having constant variance for the error…

Q: Function And Appalication of Topalogy?

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Q: the formatting is wrong for the answer, if you correct it i will correct my feedback, otherwise…

A: Sketch the given region as shown below:From the above region:The area of the disk will be Disk…

Q: What does it mean to say that two variables are positively​ associated? Negatively​ associated?

A: Association: The association of how two varaibles are connected with each other. It decides how one…

Q: What is a Transpose?

A: If the row and columns of a matrix are exchanged. That means rows will become columns. And columns…

Q: What are the Irrelevant variables?

A: Irrelevant variables are complement to omitted variable and A variable is irrelevant if its true…

Q: How can variable can be identifies as Independent or Dependent Variable?

A: Independent variable: The independent variable can be defined as the variable that is controlled (or…

Q: Why t Test Not Appropriate?

A: t Test is the statistical parametric test which is used to compare the means of the population. It…

Q: Choose the answer that best describes the relationship between [2] and [2, C, B}

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Q: What are the Key Assumptions about the error term?

A: The error term can be denoted as ∈.

Q: What do we mean by natural frequency and what are the factors affecting its value?

A: Here we want to know natural frequency.

Q: Solutikn is not clear, can it be handwritten please. Thank you.

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Q: Can you site 2 examples each about the lived experience/ situation. So I can better understand our…

A: Here we want to Kno type 1 and type 2 error.

Q: With a suitable example, briefly explain that depending upon various categories, how dummy variables…

A: We need to use the concept of Dummy variables

Q: What is the difference between dependent and independent variable?

A: Our aim is to state the difference between dependent and independent variable

Q: led variables such as water temperature and confounded?

A: Given: Researchers are studying the effect of pH level in water on the breeding habits of moon…

Q: What are the response variables and explanatory variables for observing vehicles to see what the…

A: In theory of statistics, response variable is a the dependent variable, where the variation of the…

Q: Describe about the One-Tailed or Directional Test.

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Q: List one general strength of using nonparametric tests?

A: Nonparametric tests are used when there is no type of distribution given and a relationship or…

Q: How to generate a linear combination between several indicators? In general, what is a linear…

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Q: How does one develop an econometric model to test the hypothesis that location is the most important…

A: Developing an econometric model to test the hypothesis that location is the most important factor in…

Q: what does mutually exlusive mean?

A: Mutually exclusive:Any two events are said to be mutually exclusive events if it is not possible…

Q: what are two types of error? and explain both?

A: Two type of errors are: Type-I error Type-II error   Type-I error: Under this error, the null…

Q: How to find nullityA

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Q: Discuss the difference between a spurious and intervening relationship

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