8.3#4Round 4 decimal places and underline the p value.Also answer whether you reject null hypothesis and if you do or do not have supporting evidence? **Cell Phone Call Lengths**The average local cell phone call length was reported to be 2.14 minutes. A random sample of 18 phone calls showed an average of 2.84 minutes in length with a standard deviation of 0.91 minute. At α = 0.01, can it be concluded that the average differs from the population average? Assume that the population is approximately normally distributed.**Hypotheses:**- Null Hypothesis (H₀): μ = 2.14 (not claim)- Alternative Hypothesis (H₁): μ ≠ 2.14 (claim)This hypothesis test is a two-tailed test.**Task:**Calculate the P-value for this test._Additional Notes:_The problem is labeled as (8.3)#4, and there is a space to fill in the P-value.

Given data: Significance level= 0.01 Here to use p-value approach

Cell Phone Call Lengths The average local cell phone call length was reported to be 2.14 minutes. A random sample of 18 phone calls showed an average of 2.84 minutes in length with a standard deviation of 0.91 minute. At a = 0.01, can it be concluded that the average differs from the population average? Assume that the population is approximately normally -/TT-94 Plus calculaton (8.3)#4 Ho:u= 2.14 not claim H₁:u= 2.14 claim This hypothesis test is a two-tailed test. P value=

Cell Phone Call Lengths The average local cell phone call length was reported to be 2.14 minutes. A random sample of 18 phone calls showed an average of 2.84 minutes in length with a standard deviation of 0.91 minute. At a = 0.01, can it be concluded that the average differs from the population average? Assume that the population is approximately normally -/TT-94 Plus calculaton (8.3)#4 Ho:u= 2.14 not claim H₁:u= 2.14 claim This hypothesis test is a two-tailed test. P value=

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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P-value=enter your response here (Round to three decimal places as needed.) Which of the following is the correct conclusion for the hypothesis test? A. Reject H0; the data provide sufficient evidence to conclude that x is useful for predicting y. B. Do not reject H0; the data do not provide sufficient evidence to conclude that x is useful for predicting y. C. Reject H0; the data do not provide sufficient evidence to conclude that x is useful for predicting y. D. Do not reject H0; the data provide sufficient evidence to conclude that x is useful for predicting y. b. Find a 90% confidence interval for the slope of the population regression line. The 90% confidence interval for β1 is from to (Round to three decimal places as needed.)
You are conducting a multinomial hypothesis test for the claim that all 5 categories are equally likely to be selected. Complete the table. Category ObservedFrequency ExpectedFrequency SquaredPearsonResidual A 20 B 16 C 17 D 8 E 19 What is the chi-square test-statistic for this data?χ2=Report all answers accurate to three decimal places.
You are conducting a multinomial hypothesis test for the claim that all 5 categories are equally likely to be selected. Complete the table. Category ObservedFrequency ExpectedFrequency SquaredPearsonResidual A 24 B 24 C 18 D 19 E 17 What is the chi-square test-statistic for this data?χ2=Report all answers accurate to three decimal places.
You may need to use the appropriate technology to answer this question. Consider the following hypothesis test. H0: ? = 100 Ha: ? ≠ 100 A sample of 65 is used. Identify the p-value and state your conclusion for each of the following sample results. Use ? = 0.05. (a) x = 103 and s = 11.4 Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. a. Reject H0. There is insufficient evidence to conclude that ? ≠ 100. b. Do not reject H0. There is insufficient evidence to conclude that ? ≠ 100. c. Reject H0. There is sufficient evidence to conclude that ? ≠ 100. d. Do not reject H0. There is sufficient evidence to conclude that ? ≠ 100. (b) x = 96.5 and s = 11.0 Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. a. Reject…
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p = 0.4 versus H₁: p > 0.4 n = 125; x = 55; x = 0.05 Click here to view page 1 of the table. Click here to view page 2 of the table. Calculate the test statistic, Zo. = Zo 0.91 (Round to two decimal places as needed.) Identify the P-value. P-value = (Round to three decimal places as needed.)
You may need to use the appropriate technology to answer this question. Consider the following hypothesis test. H0: ? = 100 Ha: ? ≠ 100 A sample of 65 is used. Identify the p-value and state your conclusion for each of the following sample results. Use ? = 0.05. (a) x = 104 and s = 11.5 Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. a.) Reject H0. There is insufficient evidence to conclude that ? ≠ 100. b.) Do not reject H0. There is sufficient evidence to conclude that ? ≠ 100. c.) Do not reject H0. There is insufficient evidence to conclude that ? ≠ 100. d.) Reject H0. There is sufficient evidence to conclude that ? ≠ 100. (b) x = 95.5 and s = 11.0 Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion.…
Answer all A, B, C questions
You are conducting a multinomial hypothesis test for the claim that all 5 categories are equally likely to be selected. Complete the table. Category ObservedFrequency ExpectedFrequency SquaredPearsonResidual A 5 B 12 C 24 D 5 E 8 What is the chi-square test-statistic for this data?χ2=χ2= Report all answers accurate to three decimal places.
Please help!!4
Question 5 is what I am wondering how to solve
Need help with #19
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p=0.6 versus H₁: p > 0.6 n = 200; x = 125; a = 0.05 Click here to view page 1 of the table. Click here to view page 2 of the table. Calculate the test statistic, Zo- Zo = (Round to two decimal places as needed.) Identify the P-value. P-value= (Round to three decimal places as needed.) Choose the correct result of the hypothesis test for the P-value approach below. OA: Reject the null hypothesis, because the P-value is greater than α. OB. Reject the null hypothesis, because the P-value is less than α. OC. Do not reject the null hypothesis, because the P-value is greater than α. O D. Do not reject the null hypothesis, because the P-value is less than a. #3 80 F3 E $ 4 000 F4 R % 5 F5 T MacBook Air < 6 F6 Y & 7 AA F7 U * 0 8 DII F8 ( 9 DD F9 C I 0