the decision rule for any kind of test is? A. reject the Ho if the p-value associated with the computed value is greater than 0.05 B. Reject the Ho if the p-value associated with the computed value is less than 0.05   What is the correct answer?

Q: Determine the P-value for a one-sided test with z = 1.89

A: here given , hypothesis test is one tail  test statistic  =  1.89  use excel command for p -value

Q: If the researcher wishes to test the claim that the mean of the population is 75, the appropriate…

A: We have given that,  If the researcher wishes to test the claim that the mean of the population is…

Q: use the sample data below to test the hypothesesH0 : p1 = p2 = p3 H2 : Not all population…

A: To test whether all population proportions are equal or not we use "the Marascuillo…

Q: Use the results from a survey of a simple random sample of 1256 adults. Among the 1256 ​respondents,…

A: The sample size is n=1256

Q: Determine the P-value for a two-sided test with t = 2.85 and n=9 Oa. 0.035 O b. 0.01 OC. 0.015 O d.…

A: Given information- We have given the two-sided t-test. The value of the t-test is, t = 2.85 Sample…

Q: Researchers wanted to know if therapy could help smokers quit smoking. Of the 71 smokers they…

A: Given, The sample proportion is,

Q: (c) p = 0.70 Find the value of the test statistic. (Round your answer to two decimal places.) Find…

A: The parametric test are used to measure the mean significance between the sample and population. The…

Q: The table below summarizes the  results of a survey in which randomly selected people were asked how…

A: It is needed to test, whether the feelings on medical marijuana and gender are independent or not.

Q: Would this be a t-test because the sample is less than 30?

A: From the given information, the population standard deviation is 2.

Q: n calculating F, you find it to be less than Fcritical. What is the decision- retain or reject?…

A: It is given that the, In calculating F, it is found to be Fcal is less than the Fcritical. i.e. Fcal…

Q: In the formula for t, the "statistic" is the null hypothesis. the mean of all numbers. the…

A:

Q: 4. Claim: Fewer than 90% of adults have a cell phone. In a reputable poll of 1059 adults, 84% said…

A:

Q: Would you favor spending more federal tax money on the arts? Of a random sample of n1 = 236 women,…

A: From the provided information,

Q: f.       Interpret the p-value, according to its definition. (You are not asked to make a decision…

A: Given N=600 Mean=52.38 Standard Deviation=9.726 Standard Error (mean)=0.397 t=6.006 df=599…

Q: A magazine provided results from a poll of 2000 adults who were asked to identify their favorite…

A:

Q: Assume you did an experiment with 3 groups and 16 subjects per group. The sample variances in the…

A:

Q: A survey asked respondents how they felt about this statement. I try to avoid eating fast foods. The…

A: From the provided information,

Q: A professor believes that his math students have different IQ than the average college students. He…

A: Given that, The random variable X is normally distributed. And sample size is 30=~ infinite so we…

Q: The claim that the proportion of accidental deaths of the ederly attribute to resident falls is more…

A: Hypotheses: The null and the alternative hypotheses are,  H0:p=0.20H1:p>0.20

Q: If Ashley wants to test for GPA differences among first-, second-, third-, and fourth-year college…

A: Here, we are testing the GPA differences among first, second, third and fourth year college…

Q: The government of a certain country says that the literacy rate (the proportion of people who are…

A: Assume that p is the true literacy rate in the country.

Q: independent-samples t-test would be stated as which of the following: Group of answer choices The…

A:

Q: It has been claimed that at a university at least 40% of the students live on campus. In a random…

A:

Q: The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.25…

A: The provided information are:

Q: P(-2.5 < t < 2.5) with a sample size of 15 ?

A: Given that  Sample size (n) = 15 Degrees of freedom (df) = (n-1) = 15-1 = 14   Here asked about…

Q: n₁ = 50, x₁ =35, and n₂ = 60, x₂ = 40 OA. 0.982 OB. 0.374 OC. 2.361 OD. 1.328

A: To find: Find the standardized test  statistics.

Q: Is the proportion of wildfires caused by humans in the south different from the proportion of…

A: Given : x1= 350.0 n1= 519 x2= 383.0 n2= 500 significance level, 0.01

Q: Participants who agree to use a certain weight loss pill to help alleviate their hunger were…

A: From the provided information, Sample size (n) = 9

Q: 6. The following payoff table shows the profit for a decision problem with two states of nature and…

A:

Q: Identify the P-value. What is the conclusion for this test?

A: It is given that the test statistic is 12.67.

Q: You want to compare differences in prior arrests across ethnicity in your study, you measured…

A: Given : Number of prior arrests across ethnic people is White = 0 Black = 1 Hispanic = 2 Other = 3

Q: The claim is that the proportion of adults who smoked a cigarette in the past week is less than…

A: Introduction:The test hypotheses are:Null hypothesis:H0: p = 0.30, that is, 30% in the sample of…

Q: If I'm doing hypothesis testing on the amount (percentage) of americans who have a college degree,…

A: We are testing the amount (percentage) of Americans who have college degrees.   Here we use the…

Q: The problem is It is widely believed that 19% of all students live in campus housing. You suspect…

A: We have given that  Sample size n=150  Favorable cases x = 39 Sample proportion p^=x/n

Q: A philosophy professor wants to find out whether the mean age of the men in his large lecture class…

A: