hypothesis: option A is correct.
from abvoe standardized test statitic =-2.00
p value =0.029 ( please try 0.030 for rounding error if this does not work)
decision: option D is correct
Use a t-test to test the claim about the population mean μ at the given level...
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...
Test the claim about the population mean, μ' atte gven level of signfcance using the given sample statistics. Cairn: μ-30: α-002; σ-321 Sample statistics: x-28.6, n.54 dentify the null and aibernative hypotheses. Choose the comect answer below He's .30 Ha : μ > 30 Caloulate the standardized test statistic. The standardized test statistic is Round to two decimal places as needed.) Determine the ortical value(o) Select the correct choice below and i in the anawer box to complete your choice...
Test the claim about the population mean, μ, at the given level of significance using the given sample statistics Claim: -30: -0.04; ơ: 3.92. Sample statistics: x-28.5, n-64 Identify the null and alternative hypotheses. Choose the correct answer below B. Ho:H> 30 Ha: H 30 D. Ho : < 30 Ha: H<30 #30 Ha : НО. Е, 30 Ha H> 30 Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.) Determine the...
Use technology to help you 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> 1 180: α 0.02; σ 211.79. Sample statistics: x 1203.69, n 250 ldentify the null and alternative hypotheses. Choose the correct answer below ) B. H0: μ s 1180 Ha : μ> 1180 Ha: μ 1203.69 HH 1180 Ha H 1180 O c. HOHs 1203 D. Ho...
Use technology and a t-test to test the claim about the population mean p at the given level of significance using the given sample statistics. Assume the population is normally distributed Claim je> 70, a = 0.10 Sample statistics. x=71,3,5 = 29, n. 23 What are the null and alternative hypotheses? Choose the correct answer below. O A. Ho #70 OB. Hy 270 HAN= 70 HAR < 70 O C. W, 70 OD. H 570 HA #70 HA 70 What...
Use technology and a t-test to test the claim about the population mean i at the given level of significance at using the given sample statistics. Assume the population is normally distributed Claim: H > 72; « = 0.05 Sample statistics: X = 73.7, 5 = 3.3, n = 26 What are the null and alternative hypotheses? Choose the correct answer below. O A. Ho: 272 OB. Ho: = 72 Hau<72 H:#72 OC. H: 72 OD. Ho: HS72 HA=72 HA...
distributed Use a t-test to test the claim about the population mean ji at the given level of significance a using the given sample statistics. Assume the population is normally Claim: #26; a=0.10 Sample statistics: X = 26.5, s=4.3, n = 11 What are the null and alternative hypotheses? Choose the correct answer below O A. Ho +26 OB. Ho: 226 H, = 26 H <26 OCH p=26 OD. HY S 26 H, #26 H>26 What is the value of...
Test the claim about the population mean, H. at the given level of significance using the given sample statistics. Claim: u = 40; a=0.01; 6 = 3.56. Sample statistics: x = 38.7, n= 76 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: = 40 Ha <40 O C. Ho: u = 40 Ha: #40 O E. Ho: #40 Ha: p= 40 OB. Ho: < 40 H: H = 40 OD. Ho: > 40 Ha...
/ study / Test the claim about the population mean, H. at the given level of significance using the given sample statistics Claim #6000; a=0.03; = 403. Sample statistics X5900, n = 49 jestio Identify the null and alternative hypotheses Choose the correct answer below transcribe O A. Ho 6000 H 26000 OC. Ho S6000 H +6000 O E. Ho 6000 Hu*6000 OB. Ho 6000 Hus 6000 OD. Ho 6000 Ho 6000 OF. Ho 6000 H +6000 pert A Calculate...
just the answer is fine
Use technology and a t-test to test the claim about the population means at the given level of significance or using the given sample statistics. Assume the population is normally distributed. Claim: > 80; a = 0.10 Sample statistics: x=82.5, S = 2.9, n=25 O A. Hou#80 HA 80 C. H: 580 Hu> 80 OB. H: 280 H: <80 OD. H: 80 HA: #80 What is the value of the standardized test statistic? The standardized...