NEED ASAP D. Directions: Find the rejection region for each hypothesis test based on the60information given.1. Ho: p=121Ha:µ>121a=0.01n=39o=known2. Ho: p=98.6Ha:µ #98.6a=0.05n= 25a=unknown3. Ho: p=27Ha: µ<27a=0.05n=12o=knownHa: µ*65a=unknown4. Ho: µ=655. Ho: u-2.9α=0.05Q=0.01Ha: u>2.9n=50o-known**Hur snematoo sit hadnakRos

D.From the given informationWe find Rejection Region1.Ho:µ=121Ha:µ>121α=0.01n=39σ= KnownThen the…

Answered: D. Directions: Find the rejection…

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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Did the ductility of the wire change after soaking it to an acid solution? Infer from the data below: Ductility before soaking Ductility after soaking 2563 2405 2564 2406 2565 2407 2566 2408 2567 2409 2452 2693 2453 2694 2454 2695 2455 2696 2456 2697 2634 2589 2635 2590 2636 2591 2637 2592 1.) Create a null and alternative hypothesis 2.) Is there a significant change before and after soaking? Prove it using computations
assume that the data was obtained from two indepen-dent samples. That is, 28 subjects were enrolled into the study, and half were randomly assignedto the corn flakes diet, and half to the oat bran diet. After two weeks the LDL cholesterol level ofeach individual was recorded. LDL (mmol/l)Subject Corn Flakes Oat Bran1 4.61 3.842 6.42 5.573 5.40 5.854 4.54 4.805 3.98 3.686 3.82 2.967 5.01 4.418 4.34 3.729 3.80 3.4910 4.56 3.8411 5.35 5.2612 3.89 3.7313 2.25 1.8414 4.24 4.14 Questions; a) What are the appropriate null and alternative hypotheses for a two-sided test?(b) Conduct the test at the 0.05 level of significance. What is the p-value?(c) Construct a 95% confidence interval.
The data below are from an independent-measures experiment comparing three different treatment conditions. Treatment 1 Treatment 2 Treatment 3 0 2 4 0 3 2 G = 36 0 1 4 ΣX2 = 114 3 3 3 0 2 4 0 1 4 ––––––––––––––––––––––––––––––––––––– T = 3 T = 12 T = 21 SS = 7.5 SS…
If you use a 0.10 level of significance in a (two-tail) hypothesis test, the decision rule for rejecting H0: μ=14.9, if you use the Z test, is shown below. Reject H0 if ZSTAT<−1.645 or ZSTAT>+1.645. What is your decision if ZSTAT=−1.44? Question content area bottom Part 1 Choose the correct answer below. A. Since ZSTAT falls into the nonrejection region, reject H0. B. Since ZSTAT falls into the rejection region, reject H0. C. Since ZSTAT falls into the rejection region, do not reject H0. D. Since ZSTAT falls into the nonrejection region, do not reject
Recall from Exercise 2 the data on the concen- tration (EU/mg) in settled dust for one sample of urban homes and another of farm homes: a. Determine the medians, quartiles, and IQRs for the two samples.b. Are there any outliers in either sample? Any extreme outliers?c. Construct a comparative boxplot and use it as a basis for comparing and contrasting the two samples.
An education researcher claims that at most 3% of working college students are employed as teachers or teaching assistants. In a random sample of 600 working college students, 4% are employed as teachers or teaching assistants. At α=0.01, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. A. Identify the claim and state HO and Ha B. Find the Critical Value(s) and identify the rejection region(s) C. Find the standardized test statistic d. Decide whether to reject or fail to reject the null hypothesis and interpret the decision in the context of the original claim.
The following two samples were collected as matched pairs. Complete parts (a) through (d) below. Pair 1 2 3 4 5 6 7 Sample 1 6 5 9 4 6 6 7 Sample 2 3 4 3 5 3 4 4 Calculate the appropriate test statistic and interpret the results of the hypothesis test using α=0.01. The test statistic is? The critical value(s) is(are)? identify the p -valueand interpret the result.
Which of the following decrease(s) power in hypothesis testing? A. Increasing the sample size. B. Decreasing αα level. C. Increasing the population variance. D. Increasing the difference in the means of the two conditions in an independent-samples design. E. A and D F. B and C G. B and D H. C and D
Dean for student affairs of a small university is worried about students’ expenditure on internet expense during the period study from home since this Covid-19 outbreak. Especially she wants to know whether students of social sciences spend more compared to students from science and technology. As a quick and preliminary study, she collected a sample of 9 students from science and technology and 11 students from social sciences. Total spending for internet is in Rp0000 during the month of April 2029. The results are presented in the following table. Questions: 1. Explain whether you can or cannot use normal approach to the case. 2. Conduct the test by showing formal steps in hypothesis test (design, decision rule, statistical test, and conclusion) at α = 0.05
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The results of a state mathematics test for random samples of students taught by two different teachers at the same school are shown below. Can you conclude there is a difference in the mean mathematics test scores for the students of the two teachers? Teacher 1 Teacher 2 xbar = 473 xbar = 459 S1= 39.7 S2 = 24.5 n1 = 8 n2 = 18 Identify the rejection region (critical region) and fail to reject region. Show this by drawing a curve and separate the rejection region from the fail to reject region using critical values.
Given the situation below, create a problem and determine (a) the null and alternative hypotheses, (b) test statistic, (c) rejection region, and (d) applicability of the CLT.

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