Describe the assumptions for ANOVA and explain how they may be diagnosed.

Q: What is the third quartile

A: We are asked to find the third quartile

Q: Why do we call the ANOVAs we learned about in this chapter “one-way” ANOVAs?

A: The one way analysis of variance, also known as one-way ANOVA is a statistical technique for the…

Q: What is the difference between preventative measures and preventative statistics of a disease

A: preventive  healthcare or preventive  medicine refers to the measures taken in order to prevent and…

Q: What is Observational Study?

A: Experimental study: If the researcher influences or controls one of the variables in the study and…

Q: Why would we want to use three separate tests instead of ANOVA?

A: Why would we want to use three separate tests instead of ANOVA?

Q: Explain Single Observation Summary of Z-test Summary?

A: Z-test: Z-test is a statistical test used to determine whether two population means are different…

Q: what is the positive and negative impact of raw data?

A: By positive impact of raw data we mean the advantages of using raw data whereas the negatives…

Q: Carry out the statistical test and state your conclusions.

A: 5) The null hypothesis is a simple statement about the value of the population parameter which is…

Q: Briefly explain when a one-way ANOVA procedure is used to make a test of hypothesis?

A: One-Way ANOVA is used to compares the means of two or more independent groups in order to determine…

Q: Explain what Analysis of variance (ANOVA) is and when we can use it.

A: Introduction :-  ANOVA :-  Analysis of variance is the " Separation of variance ascribable to one…

Q: Give and explain one way to find a sufficient statistic.

A: Let X1, X2…Xn be n independently and identically distributed random variables.X be a set of those…

Q: What data collection techniques are useful in case studies?

A: Given problem Given that   What data collection techniques are useful in case studies ?

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: Briefly explain why you should use the ANOVA rather than other tests we studied to determine if the…

A: If there is more than 2 conditions in an experiment a ANOVA is required. The fact the ANOVA can test…

Q: What do the MS values represent in an ANOVA?

A: ANOVA is Analysis of Variance.

Q: Answer the question and NO SOLUTION needed,  Does this study meet the assumptions for using one-way…

A: The ANOVA is used to make test whether there is any mean significant relationship between the more…

Q: Interpret the test hypothesis either reject or not. And, how about the significant level?

A: Answer: From the given output, Test statistic = 2329.367 P-value = 0.0000 As p-value < 0.05, we…

Q: What is ANOVA?

A: If there are two samples, we compare using the t-test. But if there are more than two samples, we…

Q: Explain in details ANOVA and its types?

A: ANOVA helps to determine if the differences between groups of data are statistically significant or…

Q: What is the difference between grouped data and ungrouped data? In which situation should grouped…

A: Ungrouped data is the raw data given as individual data points. Grouped data is the data given in…

Q: With reference to Healthcare, explain the applications of Statistical Quality control.

A: Statistical quality control is the use of statistical approaches to the monitoring and maintenance…

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: Calculate the test statistic,

A: Given that sample size is n = 76 And number of peoples who said they are confident of meeting their…

Q: Explain why using an ANOVA naturally leads to the need to have post hoc tests

A: ANOVA is the generalization of the t-tests. We use the t-tests for checking the significant…

Q: Explain how you will ensure that data samples are of adequate size and are population when you…

A: It is asked to explain how you will ensure that data samples are of adequate size and are…

Q: Explain why researchers typically focus on statistical independence rather than statistical…

A: Independent Events:The events A and B are said to be independent, if the result of one of the events…

Q: Describe about Repeated-Measures ANOVA.

A:

Q: Describe why a researcher would use ANOVA. and Design a research idea that would require ANOVA to…

A: The one-way variance analysis (ANOVA) is used to evaluate if the mean of three or more independent…

Q: Define degrees of freedom in the context of ANOVA

A:

Q: What does ANOVA technique describes?

A:

Q: How is a sample related to a population? Why is a sample used more often than a population? What is…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: Explain what are the objectives of ANOVA and how it is formulated. What are the underlying…

A: Introduction: The ANOVA or analysis of variance is a parametric method of hypothesis testing,…

Q: Explain what statistical significance and effect sizes are and what makes them different.

A: Statistical significance is a determination by an analyst that the results in the data are not…

Q: What are the different statistical procedures and could you explain them?

A: Statistical procedures are scientific procedures that help us analyze data. The data can be in any…

Q: What differentiates methods of collecting data in a research?

A: Research data is any information that has been collected, observed, generated or created to validate…

Q: What are some of the most basic statistic formulas used in excel for the Hospitality carrier field?

A: Some of the basic formulas are given as mean, median, mode, quartiles etc

Q: What does level of significance indicates?

A:

Q: A better explanation of ANOVA and correlation

A: Analysis of variance (ANOVA) is a technique which is used for separating the total variability in a…

Q: Explain two reasons why the research hypothesis is not tested directly.

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

Q: what is the test statistic

A:

Q: Explain what is a Hypothesis and how can we apply Hypothesis Testing into the Statistical world, any…

A: Hypothesis testing in real life is as straight forward as anything, just identify any real life or…

Q: What does ANOVA stand for?

A: ANOVA is a statistical model that used to analyze the differences among means.

Q: How do i Interpret an output from SPSS for One-way ANOVA What to do if significant

A: Here we want to interpret the one way ANOVA

Q: Define the term Penal data?

A: Panel data is useful in mainly econometrics and statistics. It is also called as longitudinal data.…

Q: In ANOVA, main effect always refers to?

A: Let a treatment A be classified into k levels then, to test the equality of k levels means, we will…

Q: What is sampling risk? How does it occur?

A: Sampling risk: Sampling risk is a risk that arises when the judgements based on the sample varies…