A research report describing the results from a repeated-measures t test states that “t(22) = 1.71,  p > .05.” From this report, what was the outcome of the hypothesis test?

Q: If the ski lift manager chooses to use the p-value approach for his hypothesis test, what does he…

A: Test is that whether the average has increased in recent years.

Q: A hypothesis test is to be performed. Determine the null and alternate hypotheses. In  1995 , the…

A: Given  μ=mean=7.7  We want to find the hypothesis.

Q: You are asked to test the null hypothesis at the .05 level of significance and you end up with…

A: It is given that the z-observed value is -1.83.

Q: A newsletter publisher believes that 25%of their readers own a personal computer. Is there…

A: Given that  A newsletter publisher believes that 25%of their readers own a personal computer. Level…

Q: The p-value for a hypothesis test turns out to be 0.08621. At a 5% level of significance, what is…

A: Decision rule : Reject H0 if P-value  <  α

Q: A statistical test of hypothesis produces the P-value P = 0.221.  Will the null hypothesis be…

A: Given,P-value=0.221level of significance (α)=0.10

Q: The p-value for a hypothesis test turns out to be 0.03197. At a 9% level of significance, what is…

A: The decision rule of the hypothesis testing is as follows: If p-value ≤ α, then reject the null…

Q: You are testing H0: u=10 vs Ha: u<10 using a t-test with 21 degrees of freedom. If the p-value of…

A: Given information- We have given the Hypothesis Null Hypothesis: Ho: µ = 10 Alternative Hypothesis:…

Q: A certain university has decided to introduce the use of plus and minus with letter grades, as long…

A: Given info: A certain university has decided to introduce the use of plus and minus with letter…

Q: What should their null hypothesis be if they want to collect evidence against the manufacturer's…

A: Let p be the proportion of headphones that failed after two days. Let k represents the distribution…

Q: If the P-value of a hypothesis test is 0.103, what would your decision be when the level of…

A: Given If the P-value of a hypothesis test is 0.103, what would your decision be when the level of…

Q: Which is the null hypothesis? * There is a significant relationship between a person's age and their…

A: We have given that the data of two populations one of person’s age and other one is time spent for…

Q: Which of the two hypotheses is the researcher always testing to reject or not?

A: The hypotheses are null and alternative hypothesis.

Q: A researcher did a one-tailed one-sample t-test to test the hypothesis that babies prefer the color…

A:

Q: Lisa wants to determine if graduates from her collegeearn different incomes than do graduates from…

A: Let μ denotes the population mean income of the graduates from Lisa's college. The average income is…

Q: Why is it useful to obtain the power curve for a hypothesis test?

A: Power of a test:It is the chance or the probability of correctly rejecting the null hypothesis H0…

Q: In a recent survey, it was stated that Americans watch television on average four hours per day.…

A: It is provided that the sample mean is 40. As the average time of watching television can never be…

Q: If you decided to use a one-tailed test and failed to reject the nul hypothesis, but found that the…

A: One-tailed test: It is a test used in testing of hypothesis. It indicates the chances of effect in…

Q: A researcher thinks that watching violent televisions increases aggressive behavior in children. To…

A: Given 48 children 3 groups

Q: Four drug companies are studying the effect of their new drugs. In its clinical trials, company A…

A: Given: Four drug companies are studying the effect of their new drugs. In their clinical trials:…

Q: L12Q2.The average scores of students in the final exam in two neighboring colleges are equal. If a…

A: Testing of hypothesis is a rule which, when the sample values have been obtained, leads to a…

Q: The currently used medicine is successful for 26% of patients. A new experimental medication is…

A: sample size(n)=500no.of patients successful for new experimental medication (X)=140sample proportion…

Q: The number of cell phone users has increased dramatically since 1987. According to the survey, the…

A: a) Type 1 error occurs when we reject the null hypothesis when in fact it is true i.e. we reject the…

Q: If you use a 0.05 level of significance in a two-tail hypothesis test, what decision will you make…

A: Note: Thank you for the question. Since multiple questions are posted, according to our policy, we…

Q: With H1: p < 0.32, a test statistic is z = -1.23.  Use a 0.01 significance level to find the…

A: Given that,null,  Ho:p=0.32  alternate,  H1: p&lt;0.32level of significance, alpha = 0.01

Q: A researcher administers a treatment to a sample from a population with a mean of µ=60. If the…

A: Null hypothesis is the statement of the no difference whereas the alternative hypothesis states the…

Q: What would it mean to a hypothesis test if we increased or decreased the p-value? Why might someone…

A:

Q: Which plot indicates the null hypothesis of no difference would not be rejected?

A: Objective: To identify the plot that indicates the null hypothesis of no difference would not be…

Q: A certain university claims that for the last school year the proportion of students who were not…

A: Given that  Claim : The proportion of students who were not able to earn a college diploma is at…

Q: The test statistic of z=2.19 is obtained when testing the claim that p>0.1. a. Identify the…

A: The test statistic is 2.19.

Q: Marco conducts a hypothesis test and calculates that his sample results have a p-value of .052, what…

A: Let us assume that level of significance, α=0.05 Given, p-value =0.052

Q: If you use a 0.05 level of significance in a​ two-tail hypothesis​ test, what decision will you make…

A: Given  ZSTAT=-1.52, ɑ=0.05 Two tailed hypothesis

Q: Explain whether or not rejecting the null hypothesis makes the alternative hypothesis true and why.…

A: 1). It is known that null and alternative hypotheses are contradicting (opposite to) each other.…

Q: Suppose a 95% CI for the proportion of adults that regularly attend a tae kwon do class at least…

A: From the provided information, Confidence level = 95% The confidence interval = (0.2534, 0.3894)

Q: If you use a 0.10 level of significance in a two-tail hypothesis test, what is your decision rule,…

A: level of significance  = 0.10 Two-tail hypothesis test

Q: Utilizing the previous table: A sample of 25 cities have been classified as high or low on their…

A:

Q: t is more difficult to reject a null hypothesis if we use a 10% level of significance compared with…

A: Given that  Rejection of null hypothesis Level of significance (α)= 0.10 Level of significance (α) =…

Q: The​ ___________ is a value used in making a decision about the null hypothesis and is found by…

A: The​ Test statistic is a value used in making a decision about the null hypothesis and is found by…

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: We have to find out hypothesis for given data  Here data is in proportion So we use p ..

Q: How do you determine whether or not the paired t test is appropriate for a two-sample hypothesis?

A:

Q: The test statistic of z=0.56 is obtained when testing the claim that p>0.8. a. Identify the…

A: Given,   Test Statistic: z =0.56   Claim: p&gt;0.8

Q: The p-value for a hypothesis test turns out to be 0.0985. At a 8% level of significance, what is the…

A: Decision rule:

Q: The test statistic of z=1.75 is obtained when testing the claim that p>0.8. a. Identify the…

A:

Q: Find the P-value for the indicated hypothesis test. In a sample of 47 adults selected randomly from…

A:

Q: Assess the evidence against the null hypothesis if the P-value of the hypothesis test is 0.062.

A:

Q: When asked what it means for the result of a hypothesis test to be practically significant (or…

A:

Q: A two-tailed hypothesis test is being used to evaluate a treatment effect with α = .05. If the…

A: We have given that  A two-tailed hypothesis test with α = 0.05 and z-score is -2.24

Q: develop a research question that can be addressed with the dependent-samples t test, making sure to…

A:

Q: P value < a/2, on a two-tailed hypothesis test would lead to rejecting H,

A: