Let n=11 and your test value be t= -1.35. Find the p-value for a left-tailed hypothesis test. Find the p-value for a right tailed hypothesis test. Find the p-value for a two-tailed hypothesis test.

Q: The test statistic of z=1.74 is obtained when testing the claim that p≠0.144. a. Identify the…

A:

Q: Find the​ P-value for a​ left-tailed hypothesis test with a test statistic of z=−1.98. Decide…

A: Given that the test statistics is, Z= -1.98 The test is left tailed test. P value: P(Z<z)=…

Q: The test statistic of z=2.15 is obtained when testing the claim that p≠0.752. a. Identify the…

A:

Q: In a hypothesis test with a = 0.05 the p-value is calculated to be 0.02. What decision should be…

A: we have find  decision.

Q: A janitor at a large office building believes that his supply of light bulbs has too many defective…

A: It is give that the p-value is 0.087.

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 publisher reports that 30% of their readers own a particular make of car. A marketing executive…

A: solution

Q: of n = 25 scores produces a t statistic of t = +2.052. If the researcher is conducting a…

A: Given: n=25 t=2.052

Q: In a hypothesis test with a significance level of a = 0.01, we should reject the null hypothesis if…

A: The given is level of significance α=0.01 So, in hypothesis testing, we can reject the null…

Q: The test statistic of z 2.24 is obtained when testing the claim that p> 0.5. a. Identify the…

A: From the given information, Test statistic:

Q: The test statistic of z = 2.27 is obtained when testing the claim that p>0.3. a. Identify the…

A: Given : Test Statistic  , z = 2.27 Claim : Alternate Hypothesis  : p > 0.3 a) This corresponds to…

Q: The test statistic of z=2.17 is obtained when testing the claim that p>0.5. a. Identify the…

A: From the provided information, The claim is p > 0.5 The hypotheses can be constructed as: H0: p =…

Q: An independent-samples research study uses two samples, each with n = 12 participants. If the data…

A: Given information- Sample size n = 12 The value of the t-test statistics t = 2.50 We have given a…

Q: Find the p-value for the following t-test statistics of the null hypothesis, Ho : µ = µo A:…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: It is expected that a treatment will reduce scores on a variable. If α = .05, what is the critical t…

A:

Q: For a one tailed test evaluating a treatment that is supposed to decrease scores, a researcher…

A: The null and alternative hypotheses are;The null hypothesis states that the scores are unaffected by…

Q: In a one-tail hypothesis test where you reject H0 only in the upper tail, what is the p-value if…

A: Concept of p-value: The p-value in hypothesis testing is the probability of obtaining a test…

Q: A researcher conducts a two-tailed hypothesis test with an alpha of 0.05 and obtains a z statistic…

A: The test is two-tailed.

Q: Approximately 38 percent of people living in Region W have the blood type O positive. A random…

A: Given: Approximately 38 percent of people living in Region W have blood type O positive.

Q: Find the​ P-value for a​ left-tailed hypothesis test with a test statistic of z=−1.04. Decide…

A: GivenThe test is left tailedTest statistic(z)=-1.04α=0.10

Q: In a given hypothesis test, the null hypothesis cannot be rejected at the 0.005 and the 0.01 level…

A: P – value is the probability value, it calculated from the test statistic value and which is always…

Q: The test statistic of z=2.99 is obtained when testing the claim that p≠0.814. a. Identify the…

A: a)  H1:p≠0.814  ( Not equal to sign means  TWO - TAILED)   =======================================…

Q: An independent-measures research study uses two samples, each with n = 12 participants.If the data…

A: From the provided information, Sample size (n) = 12 The value of test statistic = 2.08

Q: The test statistic of z = 1.97 is obtained when testing the claim that p>0.7. a. Identify the…

A: Given, Z score = 1.97

Q: A random sample of 10 professional athletes produced the following data where X is the number of…

A: Solution: The data on X: the number of endorsements the player has and Y: the amount of money made…

Q: Find the​ P-value for a​ left-tailed hypothesis test with a test statistic of z=−1.67. Decide…

A: We have to find P-value for a​ left-tailed hypothesis test with a test statistic

Q: A researcher expects a treatment to affect the scores for individuals in a population. The treatment…

A: Given information Z = +65 Two tailed test P-value for two-tailed test is given by P-value = 2 x P( Z…

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: A janitor at a large office building believes that his supply of light bulbs has too many defective…

A: p-value: The probability of getting the value of the statistic that is as extreme as the observed…

Q: An independent-measures research study uses two samples, each with n = 15 participants. If the data…

A: For  α = 0.05 Test Criteria :-Reject null hypothesis if | t | > t(α/2, n-1)Critical value t(α/2,…

Q: Q10 = In a one-tailed hypothesis test with a sample size of 300, the test statistic is determined to…

A: we have given that  sigma is known then we use z-test  a) n=300 ,z=1.53  b) n=300 , z=2.21

Q: It is expected that a treatment will reduce scores on a variable. If α = .05, what is the critical t…

A: According to the provided information, α = .05 n = 15 df = n-1 = 15-1 = 14

Q: The test statistic of z=1.75 is obtained when testing the claim that p≠0.432. a. Identify the…

A:

Q: A two sample (independent-sample) research study uses two samples, each with n = 12 participants. If…

A: Given Information: Sample 1 size = 24  Sample 2 size = 24  t-statistic = 2.50

Q: For a two tailed test in which a treatment is supposed to change a scores, a researcher obtains…

A: Solution Given data is  test statistic = t = 2.06 df = 15 Alpha = a= 0.01 Test is two tailed .

Q: Test the null hypothesis H0:μ=3.9 against the alternative hypothesis HA:μ≠3.9 based on a random…

A:

Q: The test statistic of z=1.79 is obtained when testing the claim that p≠0.576. a. Identify the…

A: From the provided information, The test statistic (z) = 1.79 Claim p ≠ 0.576

Q: Which of the following statements most adequately summarizes the conclusion statement resulting from…

A: The p-value is given as 0.04.

Q: Test the null hypothesis H0:μ=3.9 against the alternative hypothesis HA:μ≠3.9, based on a random…

A: Given,sample size(n)=29sample mean(x¯)=4.1standard deviation(σ)=0.89H0:μ=3.9HA:μ≠3.9

Q: A sample of n = 25 scores produces a t statistic of t = +2.052. If the researcher is conducting a…

A: Sample size, n = 25 t statistic = +2.052 Given that two tailed hypothesis test.

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

A:

Q: For a one-tailed hypothesis test with α = .01 and a sample of n = 28 scores, the critical t value is…

A:

Q: The results of a hypothesis test are reported as follows in a scientific report: t(38) = -3.13, p <…

A: Given, t(38) = -3.13 , p &lt; .05 The hypothesis to be tested is- H0: there is no difference between…

Q: After performing a hypothesis test, the p-value is p = 0.013. If the test was performed at a…

A:

Q: You are performing a two-tailed t-test with a sample size of 19 If α=0.05, and your test statistic…

A:

Q: Identify the hypothesis test as being​ two-tailed, left-tailed, or​ right-tailed. b. Find the​…

A: From provided information, it is claimed that proportion is not equal to 0.659. Hypotheses can be…

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

A:

Q: The test statistic of z 1.26 is obtained when testing the claim that p>0.2. a. Identify the…

A: a. The test statistic of z=1.26 and the claim of the test is p&gt;0.2. The claim shows the symbol…

Q: which of the following statements is true if when using null hypothesis testing, our p value (in the…

A: Decision rule: If p-value is less than or equal to significance level, reject null hypothesis If…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.