what is the degrees of freedom between samples?

Q: A developmental psychologist would like to determine how much fine motor skill improves for children…

A: Given Information : A developmental psychologist would like to determine how much fine motor skill…

Q: 26.3 data collected is accurate? Will it lead to a valid conclusion? 2. 27.2 Elaborate. 26.02 4 28.2…

A: Given data is appropriate for measures of central tendency.

Q: What statistical test would you use to compare three different groups on some dependent variable?

A: Given : What statistical test would you use to compare three different groups on some dependent…

Q: What are the three different measures of central tendency?

A: The three measures of central tendency are: 1.Arithmetic Mean:The arithmetic mean of a variable is…

Q: Explain the Difference between the sample space and random variables?

A: Sample space: The sample space is the collection of all outcomes, if a random experiment is…

Q: What  statistical test( from the data)  should be used to check whether people choose each type of…

A: Chi-square goodness of fit test: The Chi-square goodness of fit test is used to test whether or not…

Q: How is a sample related to a​ population?

A: Population is set of all elements about which we want to know. While the sample is a part of such…

Q: what is the degrees of freedoms within samples for this data?

A: Question 15: The data shows 30 individuals with three groups.

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

A:

Q: A shareholders group is lodging a protest against your company. The shareholders group claimed that…

A: Test - stats (t) = x¯-μsn

Q: When engaging in weight control (fitness/fat burning) types of exercise, a person is expected to…

A: From the provided information, Sample size (n) = 100 Sample mean (x̄) = 107 Sample standard…

Q: Dr. Ngo would like to know whether there is a relationship between the number of minutes per day…

A: The data are given, sample size = n = 10 Here we conduct correlation test, The null and alternative…

Q: The following are Wechsler's IQ scores of students who took the IQ test under a very noisy…

A: Hypothesis test is an inference process to make conclusions about the population parameter such as…

Q: How to Assign Subjects in random assignment?

A:

Q: find the test statistic z and p value

A: The required test statistic is given by : z=2.43the required p-value is 0.0075Explanation:Step…

Q: Explain the Representative Sample from a Population in Which the Variables Are Related?

A: The population is the area of interest for which, one want to inquire the characteristics or trend.…

Q: Consider a sample with data values of 31, 29, 24, 19, 34, 38, 32, and 29. Provide the five-number…

A: Given data 31,29,24,19,34,38,32,29

Q: Explain the difference between an independent and dependent sample. Give an example of each.

A: Dependent samples:The two samples are said to be dependent if there exist an effect of one on…

Q: How do I examine whether there is evidence that, in the population from which the respondents were…

A: Given information: The statement is given related to checking the significance of the mean. Find:…

Q: ou hypothesize that younger adults are more stressed than all other age groups. You compare stress…

A: The objective of the question is to calculate the degrees of freedom between samples in a one-way…

Q: Use values below to determine the Rf values for the chromatogram shown. 1 12.25 cm 2. 2 cm 3 10.25…

A:

Q: What is the sample space for an experiment?

A: An experiment is an activity which has observable values. The results obtained from the experiment…

Q: Random digit dialing telephone surveys used to exclude cell phone numbers. If the opinions of people…

A: Cell-only sample Landline sample Democrat or lean Democratic 49 47 Refuse to lean either way…

Q: The accompanying table shows results of challenged referee calls in a major tennis tournament. Use a…

A:

Q: State one possible advantage of using paired samples instead of independent samples.

A: Provide the possible advantage of using paired samples instead of using independent…

Q: What is the difference between Sample and Population? Provide an example of each.

A: Population -whole number of individuals Sample - a part of population taken randomly

Q: Pick the Test (Z-test, Single Sample T-test, Independent Sample T-test, Paired Sample Ttest, ANOVA):…

A: Here we should find which test is to be used to compare the athletic ability and experience. Please…

Q: A researcher is examining whether two variables, A and B, are independent or not. Variables A and B…

A: Sol:- The degrees of freedom in the chi-squared test for independence of two variables are…

Q: If a researcher failed to use a random sample, how would this affect the research conclusion?   If…

A: Any test criteria's basic assumption is to select a sample that is random. A random sample would be…

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: Illustrate the sample covariance of a sample with itself?

A: Sample Covariance is defined as  Let x and y be two variables. The sample covariance is defined as…

Q: State the number of degrees of freedom available for determining the​ within-samples variation.

A: The sample sizes to be used for each level are 25, 25, 26, and 23 respectively.

Q: The university data center has two main computers: computer 1 and computer 2. A new routine has…

A: Use the Two sample t test Sample Mean  58   Standard Deviation (S1​)…

Q: We need first to determine the degrees of freedom before we could calculate the sample mean True…

A: Solution A degree of freedom is calculated from the sample size

Q: Snoqualmie" is a name shared by a waterfall and a tribe of Native Americans. In a study of the…

A: E = Expected frequency