A hypothesis test is performed with a significance level of a = 0.01 onHo: µ = 313H: µ + 313where the null hypothesis is the claim.Suppose that the p-value is p = 0.0085.%3Da.) Determine if we should reject or fail to reject the null hypothesis.O reject the null hypothesiso fail to reject the null hypothesisb.) Set up the beginning of the conclusion:There isevidence tothe claim that...

Given Level of significance ɑ=0.01, p value=0.0085

Answered: A hypothesis test is performed with a…

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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Use Welch's T-test to find the t-test statistic using the given information: X-bar1=1.95, X-bar2=2.34, S1=.97, S2=.89, n1=35, n2=29 for the following hypothesis test: H0: u1-u2=0 vs Ha: u1-u2 does not equal 0.
cen the othe tral wor 24. A researcher conducts a study comparing two dif- ferent treatments with a sample of n = 16 partici- pants in each treatment. The study produced the following data: study an mean nu tolerate Treatment 1: 6 7 11 4 19 17 2 5 9 13 6 23 11 4 6 1 tions. D tolerance Treatment 2: 10 9 6 61 11 8 6 3 2 11 1 127 10 9 Particip a. Calculate the mean for each treatment. Based on the two means, which treatment produces the higher scores? 2. b. Calculate the median for each treatment. Based on the two medians, which treatment produces the higher scores? 3. 4. 5. c. Calculate the mode for each treatment. Based on the two modes, which treatment produces the higher scores? L 0. 6
Milan
): A null hypothesis is that the average blood pressure for adult is 70. For a sample of 60 adults, the average blood pressure is 71.8. A significance test is done, and the p-value is 0.02 what is the most appropriate conclusion? O A. Reject the hypothesis that the sample average is 70 O B. Reject the hypothesis that the population averages 70 O C. Conclude that the population average is 70 O D. Conclude that the population averages 71.8 O E. None of these
Find the P-value for a left-tailed hypothesis test with a test statistic of z=−1.33 Decide whether to reject H0 if the level of significance is α=0.05. P-value= Part 2 State your conclusion. Choose the correct answer below. A.) Since P≤α, reject H0. B.) Since P>α, fail to reject H0. C.) Since P≤α, fail to reject H0. D.) Since P>α, reject H0.
A hypothesis test is performed on Ho: Pa = 7 H₁: a <7 where the alternative hypothesis is the claim. Suppose that our test statistic is t = -1.13 and the critical value obtained from a given significance level is t = -1.52. Should we reject or fail to reject the null hypothesis? Select one: O a. reject O b. fail to reject
mm.2
In using t as an inferential statistic, we calculate the t score for our sample and then consider where that t score falls in the distribution of t scores for the distribution of sample means when the ______.
Consider the following hypothesis test: Но : д > 170 Ha : µ < 170 The value of the test statistic z = -2.12. Find the p-value. Select one: O a. 0.0170 O b. 0.9864 O c. 0.9830 O d. 0.0136
Consider the following hypothesis test: Но : р 116 The value of the test statistic z = 1.12. Find the p-value. Select one: O a. 0.1131 O b. 0.1314 O c. 0.8869 O d. 0.2262 O e. 0.2628 O f.0.8686
Consider the following hypothesis test. Given that n= 79, o = 8, x = 48.5, and a = 0.01, complete parts a through d below. Ho: H547 HA: H> 47 a. State the decision rule in terms of the critical value(s) of the test statistic. V is v the critical value(s), Reject the null hypothesis if the calculated value of the test statistic, (Round to two decimal places as needed. Use a comma to separate answers as needed.) Otherwise, do not reject the null hypothesis. b. State the calculated value of the test statistic. (Round to two decimal places as needed.) c. State the appropriate p-value. p-value = (Round to three decimal places as needed.) d. State the conclusion. v the null hypothesis. There v sufficient evidence at a= 0.02 to conclude the population mean 45.
Describe type I and type II errors for a hypothesis test of the indicated claim. A furniture store claims that at least 40% of its new customers will return to buy their next piece of furniture. Describe the type I error. Choose the correct answer below. OA. A type I error will occur when the actual proportion of new customers who return to buy their next piece of furniture is at least 0.40, but you fail to reject Ho: p20.40. OB. A type I error will occur when the actual proportion of new customers who return to buy their next piece furniture is at least 0.40, but you reject Ho: p20.40. OC. A type I error will occur when the actual proportion of new customers who return to buy their next piece of furniture is no more than 0.40, but you reject Ho: p ≤ 0.40. OD. A type I error will occur when the actual proportion of new customers who return to buy their next piece f furniture is no more than 0.40, but you fail to reject Ho: p ≤0.40. Describe the type II error. Choose the correct answer…

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