Tests the claim that p1 > p2. Assume the samples are random and independent.T1 = 55; x2 = 24n1 = 99 ; n2 = 100%3Da. Complete the table (use reduced fractions)P2PiThe Test Statistic(P1 – P2) – (Pi – P2)Iị + x2 Z =ni + n2pa(음+ 금)b. Calculate the Z-test statistic using the standard error from part a. Z =(use 2 decimalplaces)C. At a = 0.01, Use the distribution table to find the critical values for the rejection regionZe =

Answered: Tests the claim that p1 > p2. Assume…

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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I of 10 (0 complete) v 7.1.1 A population has mean of 121. If a random sample of 8 items from the population results in the following sampled values, what is the sampling error for the sample? 116 122 98 145 148 110 141 144 O The sampling error for the given sample is. (Simplify your answer. Do not round.) Enter your answer in the answer box and then click Check Answer. Clear All All parts showing MacBook Air
The sample variance s2 is an unbiased estimator of the population variance o² when the denominator of s² is a.n Ob.n+1 C. n-1 d. √n-1 Please give solution in correct and step by step detailed format thanku Don't give solution in image format
Use the data below to test the claim that the weight loss was greater with the low fat diet compared to the low carbohydrate diet. Use a 5% level of significance. Sample Data Low Fat Low Carbohydrate T1 = 4.7lb s1 = 7.2lb n1 = 77 T1 = 2.6lb 81 = 5.9lb nị = 79 1. Identify the tail of the test. [ Select ] 2. What is the P-value? [ Select ] 3. Will the null hypothesis be rejected? [Select ] 4. Is the initial claim supported? [ Select ]
Need 9&10
X is the number of defective parts in a sample of 10 randomly selected parts coming from a manufactoring process in which 1.5% of all parts are defective. How do I find the probabilty the sample contains no broken parts?
Finis An education researcher is comparing 4 different algebra curricula. 8 students are randomly assigned to each one of the 4 groups. Their state achievement test scores are compared at the end of the year and the following ANOVA table is obtained. Source of Sum of Mean D.f Fo Fo.os variation square square Between 2.5 Within 10 Total a) Complete the above ANOVA table. b) At a-0.05. test the claim that the curricula differ with respect to math achievements.
Never Married People The percentage of males 18 years and older who have never married is 30.4. For females the percentage is 23.6. Looking at the records in a particular populous county, a random sample of 250 men showed that 84 had never married and 60 of 200 women had never married. At the 0.01 level of significance, is the proportion of men greater than the proportion of women? Use the P-value method and let p, be the proportion of men.
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Use the sample data below to test the hypotheses H0: p1 = p2 = p3 Ha: not all population proportions are equal where pi is the population proportion of Yes responses for population i. Response Populations 1 2 3 Yes 145 150 101 No 95 150 109 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 = Using a 0.05 level of significance, state your conclusion.
CH7: Dr. Helen obtains a random sample of n = 14 scores from a population with o = 8. If the sample mean is 46 points smaller than the population mean, what is the z-score for the sample mean? Oa. 227.69 b. -227.69 Oc. 21.51 O d.l-21.51|| e. none of the options
Never Married People The percentage of males 18 years and older who have never married is 30.4 . For females the percentage is 23.6 . Looking at the records in a particular populous county, a random sample of 250 men showed that 73 had never married and 50 of 200 women had never married. At the 0.05 level of significance, is the proportion of men greater than the proportion of women? Use the P -value method and let p1 be the proportion of men.

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