Test the claim about the population mean, $ \mu $, at the given level of significance using the given sample statistics.**Claim:** $ \mu = 50 $; $ \alpha = 0.05 $; $ \sigma = 3.12 $. Sample statistics: $ \bar{x} = 48.8 $, $ n = 76 $.---Identify the null and alternative hypotheses. Choose the correct answer below.- **A.** $ H_0: \mu = 50 $ $ H_a: \mu \neq 50 $- **B.** $ H_0: \mu < 50 $ $ H_a: \mu = 50 $- **C.** $ H_0: \mu > 50 $ $ H_a: \mu = 50 $- **D.** $ H_0: \mu = 50 $ $ H_a: \mu < 50 $- **E.** $ H_0: \mu = 50 $ $ H_a: \mu > 50 $- **F.** $ H_0: \mu \neq 50 $ $ H_a: \mu = 50 $

Hypothesis testing is a statistical method used to evaluate assumptions about a population parameter…

Answered: Test the claim about the population…

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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Similar questions

Find the standardized test statistic t for a sample with n= 15, x = 6, s = 0.8, and x = 0.05 if Ho: μ ≤5.7. Round your answer to two decimal places. O A. 1.73 O B. 1.31 O C. 1.45 O D. 1.63 G
Listed below are the lead concentrations in mu g/g measured in different traditional medicines. Use a 0.05 significance level to test the claim that the mean lead concentration for all such medicines is less than 18 mu g/g. Assume that the sample is a simple random sample. a. Determine the test statistic. (Round to two decimal places as needed.) b. Determine the P-value. (Round to three decimal places as needed.)
The high price of medicines is a source of major expense for those seniors in the United States who have to pay for these medicines themselves. A random sample of 1600 seniors who pay for their medicines showed that they spent an average of $4300 last year on medicines with a standard deviation of $500. Make a 90% confidence interval for the corresponding population mean. Round your answers to cents. i to $ i %24
Answer the last question
c) Given the following ANOVA table: S.V d.f SS MS F-ratio Between Within Total ___ 32 36 191.450 104.720 ________ 47.863 _______ _______ i. Complete the ANOVA table. ii. Do the data provide sufficient evidence to indicate a difference among the treatment means? Test using 1% level of significance.
The EPA tests cars for city miles per gallon (mpg). For one model, a sample of 16 cars were tested for mpg, the results follow. 28 25.7 25.8 28 28.5 29.8 30.2 30.4 26.9 28.3 29.8 27.2 26.7 27.7 29.5 28 1) What is point estimate of the mean mpg?
What is the inter-quartile range of pH values. (choose the closest answer)? ph 5.8 5.7 5.6 5.5 5.4 5.3 5.2 5.1 5.0 4.7 4.6 4.5 4.4 4.3 4.2 4.1 A. 0.5 B. 4.9 C. 0.6 D. 4.3 E. 1.6 Boxplot of ph I
With 99% confidence, maximum error is 0.06 and the proportion p = 0.5. Find the sample size. a. 463 b. 436 c. 364 d. 643 e. NONE OF THE ABOVE A
Determine the point of estimate of the population mean and margin of error from the given information: Lower Bound: 5 Upper Bound: 23 Question 4 options: x¯= 15 E = 10 x¯= 12 E = 9 x¯= 13.5 E = 9 x¯= 14 E = 9
Using the given margin of error, confidence level, and likely range for the observed value of the sample proportion, obtain a sample size that will ensure a margin of error of at most the one specified (provided, of course, that the observed value of the sample proportion is further from 0.5 than the educated guess). margin of error = 0.01; confidence level = 95%; likely range = 0.3 to 0.4 The required sample size is n = (Round up to the nearest whole number.)
Determine the standard error. Complete solution
Solve the problem. Find the standardized test statistic t for a sample with n = 15, x = 8.7, s = 0.8, and a = 0.05 if Ho: Hs 8.4. Round your answer to three decimal places. a. 1.452 b. 1.631 c. 1.728 d. 1.312

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