3. ________ In a two-sided hypothesis test, the observed test statistic is determined to be Z...

Question

Question

3. ________ In a two-sided hypothesis test, the observed test statistic is determined to be Z = -2.5. The p-value for this test is

(A) 0.1091 (B) 0.0538 (C) 0.0062 (D) 0.0124

Can you explain your answer? thank you

math Statistics-And-Probability

Answer 1

Answer #1

solution:

this is the two tailed test .

Test statistic = z=-2.5

P(z <-2.5 ) = 0.0062 using z table

P-value = 2*0.0062=0.0124

p value =0.0124

Answer 2

Similar Homework Help Questions

Question 27 2.5 pts In the test of hypothesis Ho := 100vs H, :p # 100....

Question 27 2.5 pts In the test of hypothesis Ho := 100vs H, :p # 100. A sample of size 100 yields the standard test statistic z = 2.50. The P-value for this test is closest to 01. 1.9876 0 0.0124 0.9938 0.0062
In a one-tailed hypothesis test (upper tail), the test statistic is determined to be 2.5. the...

In a one-tailed hypothesis test (upper tail), the test statistic is determined to be 2.5. the p-value for this test is a. .0228 b. .0062 c. .0056 d. .5228
For a two-sided hypothesis test, a ne sample statistic, from a sample of n = 3...

For a two-sided hypothesis test, a ne sample statistic, from a sample of n = 3 observations, H50 H : 50 has the value 1 = 2.10. (a) What are the degrees of freedom for? 02 50 (h) Locate the two critical values from Table C that bracket 1. What are the two-sided P-values for these two entries? Or 1.638 has a two-sided P-value of 0.2, and 2.353 has a two-sided value of 0.1 Or - 2.099 has a two-sided...

A test statistic for a two sided significance test for a population mean is z=2.31. Sketch...

A test statistic for a two sided significance test for a population mean is z=2.31. Sketch a standard Normal curve and mark this value of z on it. Find the P-value and shade the appropriate areas under the curve to illustrate your calculations.
In a two-tailed hypothesis test situation, the test statistic is determined to be t = -2.032....

In a two-tailed hypothesis test situation, the test statistic is determined to be t = -2.032. The sample size is 35. The p-value for this test is
Question 20 In a two-sided z-test, the test statistic was 1.39. What is the p-value? Do...

Question 20 In a two-sided z-test, the test statistic was 1.39. What is the p-value? Do not round

Hypothesis Testing, P-values: For the given alternate hypothesis (H1) and test statistic (z), determine the P-value...

Hypothesis Testing, P-values: For the given alternate hypothesis (H1) and test statistic (z), determine the P-value of the test statistic. Use the answer found in the z-table or round to 4 decimal places. (a) H1: p < 0.75 The test statistic is z = −2.83. P-value = (b) H1: p > 0.85 The test statistic is z = 1.84. P-value = (c) H1: p ≠ 0.15 The test statistic is z = 1.85. P-value =
Suppose that in a two-tail hypothesis test you calculate the value of the test statistic Z...

Suppose that in a two-tail hypothesis test you calculate the value of the test statistic Z as -2.07, what is the p-value? Select one: 0.0192 0.0384 0.0197 0.9808 0.0096
What is the z-value for a two-sided test of hypothesis for a population mean when the...

What is the z-value for a two-sided test of hypothesis for a population mean when the probability of rejecting a true null hypothesis is equal to 0.005? Select one: a. 2.330 b. 1.960 c. 2.810 d. None of the suggested answers are correct. e. 2.575

6. Decision Regarding Null Hypothesis If your observed test statistic (e.g., z or t) falls in...

6. Decision Regarding Null Hypothesis If your observed test statistic (e.g., z or t) falls in the critical region, then you should_______________. (choose one) Reject the alternative hypothesis Reject the null hypothesis Do not reject the null hypothesis Change majors