Ten people went on a diet for a month. The weight losses experienced (in pounds) are given below. Thenegative weight loss is a weight gain. Test the hypothesis that the mean weight loss was more than 0, usinga significance level of 0.05. Assume the population distribution is Normal.4, 7, 10, 0, 3, 5, 6, 3, 3, and -2Determine the null and alternative hypotheses. Choose the correct answer below.O A. Ho: μ‡0OB. Ho: μ>0O C. Ho: μ = 0H₂:μ=0Ha:μ≤oHa: μ<0D. H₂:μ = 0Ha:μ>0E. Ho:μ<0Ha:μ ≥0The test statistic is(Round to two decimal places as needed.)OF. Ho: μ = 0Ha:μ‡0

Answered: Image /qna-images/answer/4bd526db-b5ec-432e-a5c6-5c8006d949ec.jpg

Answered: len people went on a diet for a month.…

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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Using image attached A. Fill in blanks B. What are the null and alternative hypothesis? C. Find the test statistic, z0 D. Find the P-Value
= A population of values has a normal distribution with u random sample of size n = 54. 97.3 and o= 12.1. You intend to draw a Find the probability that a single randomly selected value is between 99.3 and 101.6. P(99.3 X 101.6) = < < Find the probability that a sample of size n = 54 is randomly selected with a mean between 99.3 and 101.6. P(99.3 M 101.6) = < < Enter your answers as numbers accurate to 4 decimal places. Answers obtained using exact z-scores or z- scores rounded to 3 decimal places are accepted.
Test whether , P2 at the a=0.02 level of significance for the sample data shown in the accompanying table. Assume that the populations are normally distrboted. Click the icon to view the data table. Determine the null and alternative hypothesis for this test - X Sample data OA Ho OR H, Population 1 Population 2 H, 32 25 100 4 114.5 OC H H, COD. H 122 133 Print Done Detemine the Pvalue for this hypothesis test P=(Round to three decimal places as needed) State the appropriate conclusion, Choose the corred answer below O A. Reject H, There is not suficient evidence at the a0 02 level of signiticance to conclude that H, OB. Do not reject H, There is sufficient evidence at the a0.02 level of significance to conclude that , O C. Do not reject Ho There is not sufficient evidence at the a 0.02 level of signiticance to conclude that OD. Reject Ho There is suficient evidence at the 0.02 level of significance to conclude that p,
Consider the data below. Three random samples in different cities were selected. Water use per household per day were measured. Test the claim that the samples come from populations with the same mean. Assume all requirements have been met. Use a 5% level of significance. 1. Identify the tail of the test. [ Select ] 2. Find the P-value. [ Select ] 3. Will the null hypothesis be rejected? [ Select ] 4. Do the populations appear to have the same mean? [ Select ] Sample Data City 1 City 2 City 3 70 66 66 70 64 66 55 45 54 60 41 61 65 58 65 45 44 65 55 46
The average American gets a haircut every 43 days. Is the average different for college students? The data below shows the results of a survey of 11 college students asking them how many days elapse between haircuts. Assume that the distribution of the population is normal. 32, 46, 49, 45, 50, 49, 43, 45, 38, 46, 42 What can be concluded at the the a =0.01 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Họ: ? Select an answer v H. Select an answer Y C. The test statistic ? (please show your answer to 3 decimal places.) d. The p-value - (Please show your answer to 3 decimal places.) e. The p-value is 2 f. Based on this, we should Select an answer the null hypothesis, g. Thus, the final conclusion is that, The data suggest the populaton mean is significantly different from 43 ata = 0.01, so there is fficient evidence tr conrlide that -he nonulation.
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Use technology to help you test the claim about the population mean, µ, at the given level of significance, a, using the given sample statistics. Assume the population is normally distributed. Claim: µ> 1170; a = 0.07; o = 212.01. Sample statistics: x= 1185.03, n= 300 Identify the null and alternative hypotheses. Choose the correct answer below. Ο Α. Ho μ2 1185.03 Ο Β. Ho : με 1185.03 Ha: µ 1185.03 O C. H μ2 1170 O D. Ho: µ> 1170 Ha: H 1185.03 Ha: µ> 1170 Ha: us1185.03 Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.) Determine the P-value. P = (Round to three decimal places as needed.) Determine the outcome and conclusion of the test. Ho. At the 7% significance level, there enough evidence to the claim.
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please answer d, e, f f; accept, reject, fail to reject

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