The test statistic is given by:
t = r *sqrt((n-2)/(1-r^2))
r = -0.541; n = 20; a = 0.01
t = -0.541*sqrt((20-2)/(1-(-0.541)^2))
t=-2.729
Given a sample with r -0.541, n-20, and a 0.01, determine the standardized test statistic t...
For the given data, (a) find the test statistic, (b) find the standardized test statistic, (c) decide whether the standardized test statistic is in the rejection region, and (d) decide whether you should reject or fail to reject the null hypothesis. The samples are random and independent , a = 0.01. Sample statistics: x = 1235, n 40, x2 = 1195, and n2 = 70. Population statistics: o1 65 and a2 120. Claim: (a) The test statistic for -H2is (b)...
Find the standardized test statistic t for a sample with n = 10, = 16.5, s = 1.3, and if Round your answer to three decimal places.
(a)-1,305 b)-0.872 #) Find the standardized test statistic + for a sample with M= 20, x= 10.9, 5= 2.0, and d.o.on if H, pl. 11.3. round answer 3 decimal places. C)-0.894 d)-1.233 #2) if a sample of 12 is drawn from a Normal population, what should be used as the test statistic? a) to with 13 degrees of freedom b) Zo with Il degrees of freedom C) to witn il degrees of freedom d) zo with lg digues of freedom...
Find the standardized test statistic t for a sample with n = 25, = 28, s = 3, and α = 0.005 if Round your answer to three decimal places.
For the given data, (a) find the test statistic, (b) find the standardized test statistic, (c) decide whether the standardized test statistic is in the rejection region, and (d) decide whether you should reject or fail to reject the null hypothesis. The samples are random and independent Claim: <H2, a=0.01. Sample statistics: x = 1235, n = 30, X2 = 1205, and n = 60. Population statistics: 6 = 70 and 62 = 100. (a) The test statistic for ,...
QUEST 12.5 points Provide an appropriate response. Find the standardized test statistic t for a sample with n = 15, x = 7.2, s = 0.8, and a = 0.05 if Hou 56.9. Round your answer to three decimal places. O 1.452 O 1.728 O 1.631 O 1.312 QUEST 12.5 points Save Answer Provide an appropriate response. Find the standardized test statistic t for a sample with n = 10, x = 16.5, S = 1.3, and a=0.05 if Hou...
Find the standardized test statistic t for a sample with n = 12, x = 14.1, s = 1.3, and α = 0.05 if H0: μ ≥ 15. Round your answer to three decimal places.
Use a t-test to test the claim about the population mean μ at the given level of significance α using the given sample statistics. Assume the population is normally distributed. Claim: μ# 25; α:0.05 Sample statistics: x 29.9, s-44, n 11 What is the value of the standardized test statistic? The standardized test statistic is(Round to two decimal places as needed.) What is the P-value of the test statistic? P-value (Round to three decimal places as needed.) Decide whether to...
Find the standardized test statistic t for a sample with n-15, X-7.1, s-0.8, and α= 0.05 if Ho: μ 6.8. Round your answer to three decimal places. O A. 1.631 O B. 1.452 O c. 1.728 O D. 1.312
Find the standardized test statistic t for a sample with n=25,x=37, s-3, and ?=0.005 if H1 : ?>36. Round your answer to three decimal places. OA 1.667 O B. 1.452 O C. 1.239 OD. 1.997