The p-value for this test is

Q: The test statistic is enter your response here.

A:

Q: An experienced trader wants to find out whether there is a difference in the mean rate of return for…

A: Question 7: There are 15 types of trades. Let k=15 Between df=k-1=15-1=14 Between SS=297

Q: What is the distribution of X? X - N What is the median seedless watermelon weight? What is the…

A: According to our guidelines we are solving only first three sub-parts of a question and rest parts…

Q: When do you need to calculate and use a Z - Score? What are the assumptions when you use a Z score?

A: We have to find need of calculate and use of z score..

Q: A researcher wants to know whether people who own dogs are less likely to visit their doctor. A…

A: Claim : The people significantly less likely to visit the doctor when they own dogs.

Q: The _________ test is the most powerful test for a repeated measures design.

A: Repeated measures design is a design model in which each member of the group in an experiment or a…

Q: Explain what MSbetween and MSwithin measure for an independent-measures ANOVA. If the F-value is…

A: Analysis of Variance :  ANOVA or Analysis of Variances is one of the most important fields in…

Q: nen testing for differences between treatment means, the degrees of freedom for the t-statistic are

A: In ANOVA while testing the difference between the treatment means the degrees of freedom for the…

Q: The test statistic for the sign test is the z-statistic. True or False

A: The sign test is non-parametric test and is alternative test for t-test for one sample and paired…

Q: The p-value for this test is approximately

A: Here Given for two tail test  Sample size=n=144 Sample mean=x¯=60.8 Standard deviation=s=3.6

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: What information is provided by the sign (+/–) of a z-score? What information is provided by the…

A: Let, the dataset scores have a mean µ and standard deviation σ. Then the z score of a given score ,…

Q: What type of test would be ap are different from the average

A: From given data we have : sample size = 25 standard deviation = 5

Q: What is the test statistic t ?

A: Here, the sample size n is 237.

Q: The performance of students at a local community was recorded and categorized based on student’s…

A: Low   Average   High   Total   Science   12  30  52  94      15.67 29.24 49.09…

Q: What are the values of the test statistic and P-value for their test?

A: We have to conduct a Chi - square test of independence.

Q: (a) Show that 2X is also an unbiased estimator of B. the properties of sample mean,

A: Given:  Random variable x with mean (beta/2)  Then to show that "2*xbar" be  the unbiased estimate…

Q: When is it appropriate to use a one-sample Z test and how is this value similar to a simple z or…

A:

Q: For the chi-square test of independence, how is the p-value evaluated?

A:

Q: The range of possible values for the Durbin-Watson statistic is

A: The Durbin- Watson statistic is used for test whether there is autocorrelation in residuals or not.

Q: Christopher wants to compare whether those that study before they go to bed or during the day…

A:

Q: Jump to level 1 A software company is interested in improving customer satisfaction rate from the…

A: We have given that  Population proportion p=66%=0.66 Sample size n=110 ,favorable cases x=79 Sample…

Q: A recent study investigated whether the number of positive health behaviors (e.g., exercising,…

A: The formulas for MS regression and MS residuals are given by :…

Q: What is measured by the estimated standard error that is used for the independent measures t…

A:

Q: The P-value for this chi-square statistic is

A: Given : Degree of freedom is calculated by using the following formula:DF = (r-1)(c-1)WhereDF =…

Q: what is the conclusion of the test at 5 % level of significance

A:

Q: A random sample of Americans were categorized according to their happiness and their income level.…

A: H0: Income and Happiness are independent HA: Income and Happiness are dependent

Q: If the test statistic falls within the rejection region, you reject H0 in favour of Ha true false

A: In this case, we need to identify the given statement is true or not.

Q: A university administrator obtains a sample of the academic records of past and present students at…

A: Hypothesis testing is an act in statistics whereby an analyst tests an assumption regarding…

Q: What are characteristics of a t test?

A: T-test: The t-test is used to check the significant difference between the two groups. By comparing…

Q: How do you tell if a ANOVA is significant given the F value, p value, and eta squared? What does the…

A: In ANOVA, the null hypothesis is that there is no difference between group methods. If any group…

Q: What are the assumptions when you use a Z score?

A:

Q: What does the p-value for a test result represents?

A:

Q: the statistic X defined as X = 49S 2

A: (a) chi-square distribution with 49 degrees of freedom

Q: Manually find the first quartile as explained in the lectures for the following values: 3, 6, 18, 6,…

A: Given that, 3, 6, 18, 6, 10, 4, 7

Q: Can you think of any flaws in the One-Sample Z-Test for Mean?

A: Introduction: Suppose the true, unknown mean of a population of interest is μ.

Q: What are the Four Steps to use when working with the t-test ?

A: The Four Steps to use when working with the t-test with p-value approach is given below: Step 1:…

Q: IQ tests are approximately normally distributed with a mean of 100 for adults. A tech company CEO…

A: Solution: Here, the hypothesis test is to be conducted if the average IQ of employees at high-tech…

Q: How to determine Estimate the P-value.

A: Introduction:P-value: The P-value is the probability of obtaining a test statistic value as extreme…

Q: Sarah thinks that she has lost interest in online shopping. Based on her shopping history, she can…

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

Q: The recidivism rate for convicted sex offenders is 13%. A warden suspects that this percent is lower…

A: Introduction:Denote p as the true recidivism rate of sex offenders, who are also drug addicts.The…

Q: Using a significance level of α = 0.05, state your conclusion in terms of H0.?

A: According to the provided information, the level of the significance level is 0.05. The level of…

Q: Say we have a dataset consisting of 20 observations. From the observations and their corresponding…

A: Here, There are 20 observations given, and the correlation coefficient is equal to 0.89. The…

Q: what is the p value? is the p-value low? can we conclude?

A: Answer 1: The intersection P-value is 0.11225061. Thus, the intersection P-value is 0.11225061.…

Q: hours. Is there a significant difference between the average life of all of the manufacturer's…

A: here from given information  sample mean  =  24.3  sample size  = n = 35  population standard…

Q: What is the formula for finding the z-score? The z-score of the mean is always z =

A:

Q: Find the P-value in a test of the claim that the mean IQ score of acupuncturists is equal to 100,…

A: From the provided information, The mean IQ score of acupuncturists = 100 The hypotheses can be…

Q: A researcher wants to determine whether a given drug has any effect on the scores of human subjects…

A: