What are the similarities and differences of parameter and statistic?

Q: Why do researchers use other types of standardized distribution? Explain the reason using the…

A: Introduction: The z-score is a standardized score, obtained by shifting the location (mean) of a…

Q: What are some common measures of central tendency used in descriptive statistics and how are they…

A: The measures of central tendency used in descriptive statistics are:

Q: What are the ethical guidelines for statistical practice? How do they help get results for research?

A: Good statistical practice is fundamentally based on transparent assumptions, reproducible results,…

Q: For a particular value of a predictor variable, is there a difference between the predicted value of…

A: Introduction: Suppose the population regression equation for a simple linear regression model of the…

Q: What is Inferential statistics? why it is used for?

A: Inferential statistics is a branch of statistics that involves the drawing of a conclusion from the…

Q: Why is the response rate an important consideration in survey? And give some examples to…

A: If response rate is low, results may notdemonstrate the population as well as if response rate was…

Q: What is the value of the standardized test​ statistic?

A:

Q: How is the normal curve important in psychological testing?

A: Here we have to explain how the normal curve important in psychological testing

Q: What is a T-Test? How is it applied to a Single Population Data Set?

A: Student's t-test was given and first used by W.S. Gosset in 1908. The statistician W.S. Gosset is…

Q: What is the best statistical method to use when measuring two nominal level variables? Why?

A: Nominal scales are used, without any quantitative significance, to label variables. One might…

Q: What value does the Correlation Coefficient provide for data analysis, and, can we assu

A: Correlation Coefficient: The correlation coefficient is used for measuring the strength of the…

Q: Describe similarities and differences between sample findings and population facts and between…

A: We need to state differences between 1. Sampling findings and population facts 2. parameter and…

Q: What are validity strengths of official stats?

A: Statistics are a form of quantitative data where the objective is to quantify some aspects of an…

Q: What type of statistic test would I perform for this questions, Is there a relationship between…

A: Chi-square test:   A single simple random sampling is done with each individual being classified…

Q: What is determining the worth of data? Evaluation Validity Results

A: What is determining the worth of data? Evaluation Validity Results

Q: Use the following visualization to answer questions 5 - 6. We are going to focus on 3 explanatory…

A: The explanatory variables and their possible values for predicting the response variable, which is…

Q: What are the examples of parameter and examples of statistic

A: Parameter : It is numerical characteristics of population. Parameter name : Population meanμ,…

Q: If we get a big difference between our sample mean and our population mean, will our test statistic…

A: Given information: The statement is given related to the big difference between x¯ and µ. Formula:…

Q: How do i find the test statistic and the p-value?

A: The sample sizes are 22 and 22.

Q: Problem Statement Does Price significantly predict or explain Sales? Does Price and Promotion…

A: Given information: The different problem statements are given. Definitions: Dependent variable: A…

Q: What is helpful to interpret bivariate tables~ percentages or frequencies?

A: Given that  We have to define  What is helpful to interpret bivariate tables percentages or…

Q: what is the normal curve?  explanations and examples would help. I am very grateful.

A: A normal curve is a well- shaped curve that shows the probability distribution of continuous random…

Q: How to summarise data(scores)with decriptive statistical techniques

A: Descriptive statistics are brief descriptive coefficients that summarize a given data set, which can…

Q: What is the difference between a population and a sample? Which is described by a parameter and…

A: Determine the difference between the population and sample.   The difference between the population…

Q: What is Studentized Range Statistic?

A: Studentized Range Statistics was created by William Gosset, also called Student (hence the same…

Q: What statistical method would you use when your variables are nominal and your measure of central…

A: Nominal variables are qualitative variables with categories having no natural ordering in it. For a…

Q: In a case-control study, you can ndardize the case group's age distribution that of the control…

A: The case–control is a type of epidemiological observational study. An observational study is a study…

Q: What is measured by the numerator of the z-score test statistic?

A: # What is measured by the numerator of the z-score test statistic?

Q: Test Statistic p-value= =

A: The sample size for first population is 34, sample mean is 4.9 and sample standard deviation is 1.7.…

Q: Find out some examples for statistic and parameter?

A: To find some examples of Statistic and Parameter Statistic: The statistic refers to the number that…

Q: Describe the sources of within groups variance. How does within groups variance affect the range of…

A: Given information: It is required to describe the sources of within groups variance.

Q: How do I explain applying the normal curve to a set of test scores?

A:

Q: How can outliers affect the results of statistical analysis?

A: We know that     An outlier is essentially a value that is much higher or much lower than all the…

Q: if we are not doing inferential statistics, what is most frequently the best measure of central…

A: Inferential statistics involves making inferences about a pop. by examining random samples.

Q: Statistics used to test for significance and extrapolate to a population are known as what type of…

A: Statistics is basically divided into two major fields.  Descriptive statistics Inferential…

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

A:

Q: Can you explain how you find the p-value of the test statistic

A: The test statistic is -2.25 and the degrees of freedom is 80.

Q: What is Measures of Central Tendency? The most common measures of central tendency?

A: What is Measures of Central Tendency? The most common measures of central tendency? A measure of…

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.