the significance level (alpha-level) of a hypothesis are? a. The number which measures how significantly different the null and alternative hypothesis are b. The number that we compared to our P value and gives us the chance of a type one error c. The number that we compare our calculated value of the test statistic to in order to know whether or not to reject HO d. The number which gives the chance of making an error in a statistical investigation

Q: Suppose the level of significance α was 0.10 and the p-value is 0.084 The conclusion would be to...…

A: We have givan hypothesis..

Q: Men Women H1 H2 A study was done on body temperatures of men and women. The results are shown in the…

A: Two sample t test: Two sample t test is used to determine the significance difference between two…

Q: What is the level of significance? State the null and alternate hypotheses. The level of…

A: Given: alpha = 0.05

Q: Consider a hypothesis test of the claim that following a particular diet reduces the likelihood of…

A: Here we consider a hypothesis test of the claim that following a particular diet reduces the…

Q: Consider the hypothesis test below. Ho : P1 – P2 0 The following results are for independent…

A:

Q: What does it mean when a researcher reports that the probability for a statistic was p = 0.089?   a.…

A: Definition: Alpha level of significance is the probability of making type I error.

Q: Step 1: State the hypotheses. Step 2: Calculate the test statistic.

A: The two categorical variables are Ainstats and whether people pass. Sample size (n)=350Level of…

Q: Consider the hypothesis test below. Ho : P1 - P2 SO Ha: P1-P2 > 0 The following results are for…

A: Solution-: Hypothesis: H0:p1-p2≤0 Vs Ha:p1-p2>0 Given: n1=200,n2=300,p¯1=0.28,p¯2=0.19 We find,…

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: determining if her new technique for improving players' golf scores is effective.  She takes 4 new…

A: Independent sample means with population standard deviations unknown

Q: It is well-established in the research that the greater number of people around, the less likely an…

A: Given Information: Claim: the greater number of people around, the less likely an individual is to…

Q: The critical boundaries for a hypothesis test are z = +1.96 and -1.96. If the z-score for the sample…

A: Solution: The critical boundaries for a hypothesis test are z = +1.96 and -1.96. Z test statistic or…

Q: Which of the following is NOT true when we increase the significance level of a hypothesis test?…

A:

Q: Only about 17% of all people can wiggle their ears. Is this percent higher for millionaires? Of the…

A:

Q: The value obtained for the test statistic, z, in a one-mean z-test is given. Whether the test is two…

A: For part a, the test statistic is z = 1.34 and test is right tailed. For part b, the test statistic…

Q: State the null hypothesis, HO, and the alternative hypothesis. Ha, in terms of the appropriate…

A: Given that  Population proportion p=11%=0.11 Population mean μ =20000

Q: What is the​ p-value if, in a​ two-tail hypothesis​ test, ZSTAT=−2.29​?   Click here to view page 1…

A: GivenTest is two-tail hypothesis testZSTAT=-2.29

Q: 15. The P-value for a hypothesis test is P = 0.033. Do you reject or fail to reject HO when the…

A: given data, p=0.0333α=0.01we have to gave a conclusion for the hypothesis testing.

Q: -tailed right-tailed left-tailed o ed on a sample of 500 people, 29% owned cats e p-value is: (t2…

A: The test statistic is: z=p^-p0p01-p0/n=0.29-0.300.30(1-0.30)/500=-0.010.0204939=-0.48795

Q: 2. Using the following information and do the following: Identify the p-value using the given test…

A: Given,α=0.05Test statistic(z)=1.00claim :P>0.3

Q: The chi-square goodness-of-fit test provides a method for performing a hypothesis test about the…

A:

Q: O A. Fail to reject the null hypothesis. There is sufficient evidence to support the claim that men…

A: We have given that  Sample sizes n1=11 ,n2=59 , xbar1=97.73 ,xbar2=97.21 and s1=0.95 ,s2=0.66…

Q: Samples of Republicans, Democrats, and independents, have been tested for their level of support for…

A: We have given that samples of Republicans, Democrats, and Independents have been tested for their…

Q: A distribution and the observed frequencies of the values of a variable from a simple random sample…

A: For the given data Perform Chi square goodness of fit

Q: Which type of error can the statistician have made in the correct conclusion of this hypothesis…

A: Given that the decision about null hypothesis is  Reject Ho The type I error is defined as rejecting…

Q: 3. Someone claims that a one year increase in the average age of birth mothers is associated with an…

A: Given that Someone claims that a one year increase in the average age of birth mothers is associated…

Q: Which level of significance makes it easier to reject the null hypothesis, and why does the level of…

A: We have given that the statement about to the significance level that makes it easier to reject the…

Q: Find the value of the standard score, z, and determine whether to reject the null hypothesis at a…

A: here given data is:H0:μ=4.5H1:μ>4.5we have to find out the value of standard score, critical…

Q: You wish to test the following claim (Ha) at a significance level of a Ho: p > p2 Ha: P1 P2 You…

A: Assume that p1, p2 are the proportions of 1st and 2nd populations, respectively.

Q: If, in a​ (two-tail) hypothesis​ test, the​ p-value is 0.1267​, what is your statistical decision if…

A: GivenThe test is two tailed testP-value = 0.1267Level of significance(α)=0.04

Q: The test statistic of z=0.87 is obtained when testing the claim that p > 0.4. a. Identify the…

A: GivenTest statistic(z)=0.87claim is that p>0.4

Q: Test the claim that the proportion of men who own cats is significantly different than the…

A:

Q: You wonder if there are statistically more psychology majors than nonmajors in your general…

A: You wonder if there are statistically more psychology majors than nonmajors in your general…

Q: The null hypothesis specifies a value of p for the population. What is the corresponding statistic…

A: The null hypothesis specifies a value of p for the population.

Q: When one changes the significance level of a hypothesis test from 0.10 to 0.05, which of the…

A: Given, The significance levelof a hypothesis test from 0.10 to 0.05.       To find, Which of the…

Q: D. Do you Reject or Do Not Reject the null hypothesis based on 0.05 significance level? E. What is…

A: From the given information, Population mean = 45 Sample mean = 42.5 Sample size =70 Standard…

Q: The p-value for a hypothesis test turns out to be 0.05015. At a 2% level of significance, what is…

A: From the provided information, The p value for a hypothesis test = 0.05015 Level of significance (α)…

Q: Failing to reject an invalid null hypothesis (continuing to incorrectly assume a null is valid) is…

A: Option A) is correct. The beta-risk

Q: d the value of the standard score, z, and determine whether to reject the null hypothesis at a 0 10…

A: