What is the test statistic?   What is the p value?

Q: What is the third quartile

A: We are asked to find the third quartile

Q: Why might you run an ANOVA test over a T-test? What factors are in consideration when choosing an…

A: It is needed to discuss about ANOVA test and T-test.

Q: Illustrate the relationship between the sampling distribution of p and the normal distribution?

A: It is known that, the conservative law of thumb for the sampling distribution of sample proportion…

Q: How do you interpret sample standard deviation and sample mean.

A: Interpret sample standard deviation - Low standard deviation means data are clustered around the…

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: Test Statistic - The test statistic is a value used in making a decision about the null hypothesis…

Q: Descriptive Statistics extra 1 Valid 10 10 Missing Mode Median Mean Std. Deviation Minimum -1.600…

A: Given: Descriptive statistics

Q: Test the claim that the proportion of people who own cats is significantly different than 90% at the…

A:

Q: Statisticians are mostly interested in learning about the - population, sample, averages, or…

A: It is given that the statement about to the statistics terminology. Here, need to find out 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: Estimate the p-value for this test.

A: The test statistic is 2.600. The degrees of freedom is, df=r-1c-1=3-13-1=2×2=4 The degrees of…

Q: Probability plot is used to check the normality of sample data and that if it adequately describes…

A: The given statement is 'Probability plot is used to check the normality of sample data and that if…

Q: standardized scores and normal

A: Normal distributions have a specific curve, and I’ve already posted about that elsewhere; the…

Q: l test do I use?

A: Treatment Gender Pre_score Post_score IQ hours_studied 1.00 1.00 9.40 10.80 111.00 5.00 1.00…

Q: What are the three t tests for population means?

A:

Q: Explain the formula for the variance of the sampling distribution of the mean?

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: Explain how the sample statistic and the population parameter relate to one another.

A: The objective of this question is to understand the relationship between a sample statistic and a…

Q: What is the power of the test in the statistical test?

A: Statistical Test: A statistical test is a tool that helps people make analytic conclusions about a…

Q: What is the degree of freedom for this test?

A: In this case, it is needed to check whether the performance of students at a local community and…

Q: When do we use a t-statistic instead of a z-statistic to help infer a mean?

A: Hypothesis tests are used to test population claims. It has two population statements, where one is…

Q: What is the sampling distribution of a statistic? Why is it important?

A: Sampling distribution of a statistic:The group of all reliable observation of a statistic for the…

Q: The table below includes results from polygraph (lie detector) experiments conducted by researchers.…

A: There are two categorical variables which are Polygraph and subject lie. This is 2×2 contingency…

Q: Explain why the standard deviation is a useful sample statistic

A: Our aim is to explain why the standard deviation is a useful sample statistic

Q: A recent debate about where in the United States skiers believe the skiing is best prompted the…

A: A recent debate about where in the United States skiers believe skiing is best prompted the…

Q: Define the term statistic.

A: We have to define the term statistic.

Q: poll surveyed people about taxing sugar-sweetened beverages. The results are presented in the table…

A: Given: The data of a poll surveyed people about taxing sugar sweetened beverages. The statistical…

Q: What is test statistics and p value

A: Introduction: Denote μ as the true mean change in LDL cholesterol level among individuals treated…

Q: Roughly speaking, what are the normal scores corresponding to a sample of observations?

A: The normal scores corresponding to a sample of observations are observations and expect same sample…

Q: In your sample, there are two groups of people: those who have a high school degree and those who…

A: Group 1 : Education (High school) Sample size(n1) = 361 Mean (x̅1) = 19500 Standard deviation(S1) =…

Q: what is the distribution of sample means exactly? Why are sample characteristics important in…

A: As per central limit theorem- The distribution of sample means, also known as the sampling…

Q: You may need to use the appropriate technology to answer this quest Periodically, customers of a…

A: From the information, given that

Q: The Bureau of Labor Statistics reports that the official unemployment rate for Black people was…

A: Variables are of different types. The correct classification of variables and the identification of…

Q: 5% is a very common significance level for significance tests, but it Is arbitrary

A: Level of significance helps researcher to make decision about the null hypothesis.