Consider the following hypotheses:He: μ = 8HA: 8The population is normally distributed. A sample produces the following observations: (You may find it useful to reference theappropriate table: z table or table)6 9 8 77 11 10c. Find the p-value.O p-value < 0.01O 0.01 ≤ p-value < 0.02O 0.02 ≤ p-value < 0.05O 0.05 ≤ p-value < 0.10O p-value ≥ 0.10d. At the 5% significance level, what is the conclusion?Reject He since the p-value is greater than a.O Reject He since the p-value is smaller than a.O Do not reject He since the p-value is greater than a.O Do not reject He since the p-value is smaller than a.O We conclude that the sample mean differs from 8.O We cannot conclude that the population mean differs from 8.O We conclude that the population mean differs from 8.O We cannot conclude that the sample mean differs from 8.e. Interpret the results a = 0.05.

The random variable X follows normal distribution. We have to test whether the population mean…

Answered: Consider the following hypotheses: He:…

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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Suppose that we are to conduct the following hypothesis test: H0:μ = 1040 H1:μ > 1040 Suppose that you also know that σ=210, n=95, x¯=1090.4, and take α=0.01. Draw the sampling distribution, and use it to determine each of the following: A. The value of the standardized test statistic: Note: For the next part, your answer should use interval notation. An answer of the form (−∞,a) is expressed (-infty, a), an answer of the form (b,∞) is expressed (b, infty), and an answer of the form (−∞,a)∪(b,∞) is expressed (-infty, a)U(b, infty). B. The rejection region for the standardized test statistic: C. The p-value is:
1. Given n = 10, E, x? = 100, and = 1, compute the sample standard deviation s. 2. Given n = 100,E, 1? = 10000, and E, x; = 1000, compute the sample variance s². i3D1 i31
Scenario: 200 people were asked, “Who is your favorite superhero?” Below are the data. Test the null hypothesis that the population frequencies for each category are equal. α= .05. Iron Man Black Panther Wonder Woman Spiderman fo = 40 fo = 60 fo =55 fo = 45 fe = fe = fe = fe = What is the correct result based on the data?
In the research design for a (an) _____, each participant experiences all experimental conditions so as to compare differences across conditions a. one-sample t test b. dependent-samples t test c. independent-samples t test d. z test
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
1.)The Empirical Rule states that approximately 68% of the sample means will land between μ?̅−1??̅???μ?̅+1??̅, about 95% of the sample means will land between μ?̅−2??̅???μ?̅+2??̅, about 99.7% of the sample means will land between μ?̅−3??̅???μ?̅+3??̅. a.How manystandard deviations are necessary to capture 68% of the sample means? b.How many standard deviations are necessary to capture 95% of the sample means? c.How many standard deviations are necessary to capture 99.7% of the sample means?
A sample is selected from a normal population with µ = 54 and σ = 8. Which of the following samples would be considered extreme and unrepresentative for this population? A. M = 53 and n = 81 B. M = 52 and n = 36 C. M = 53 and n = 36 D. M = 52 and n = 81
.6-1 Assigned Medla Use technology to find the P-value for the hypothesis test described below. The claim is that for 12 AM body temperatures, the mean isp>98.6°F The sample size is n=4 and the test statistic is t= 2.446. P-value=(Rbund to three decimal places as needed.) (1,1) More Enter your answer in the answer box and then click Check Answer. Clear All Final Check All parts showing Con Copyright 2021 Pearson Education Inc. All rights reserved . Terms of Use | Privacy Policy Permissions e to search DEEL
Find the standardized test statistic estimate, z, to test the hypothesis that p1 > p2. Use α = 0.01. The sample statistics listed below are from independent samples. Sample statistics: n1 = 100, x1 = 38, and n2 = 140, x2 = 50 a.0.638 b.0.362 c.2.116 d.1.324
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Match the definition in column X with the correct term in column Y.
(1 point) Suppose that we are to conduct the following hypothesis test: Но : и 3D 45 Н:и < 45 1 Suppose that you also know that o = 10, n = 106, x = 44, and take a = 0.09. Draw the sampling distribution, and use it to determine each of the following: A. The value of the standardized test statistic: Note: For the next part, your answer should use interval notation. An answer of the form (-o, a) is expressed (-infty, a), an answer of the form (b, o) is expressed (b, infty), and an answer of the form (-0, a) U (b, 0) is expressed (-infty, a)U(b, infty). B. The rejection region for the standardized test statistic: C. The p-value is

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