The data for a random sample of 8 paired observations areshown in the table to the right.Population 1PairPopulation 23112422329What are the appropriate null and alternative hypotheses totest whether the mean for population 2 is larger than thatfor population 1?3495245663542466.36377455282733中...What are the hypotheses for Hd = 2)?%3DO A. Ho: Hd <0O B. Ho: Hd = 0O C. Ho: Hd = 0Hai Hd = 0Ha: Hd #0O D. Ho: Hd> 0Hai Hd = 0O E. Ho: Hd #0Ha: Hd = 0O F. Ho: Hd = 0H Ha>0

The test is to check whether the mean for population 2 is larger than that for population 1.

Answered: The data for a random sample of 8…

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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please answer d, e, f f; accept, reject, fail to reject
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2. The steps of hypothesis testing You intend to draw a random sample in order to test a hypothesis about an unknown population mean. You will use a hypothesis test. A description of each of the steps of a hypothesis test follows, but they may be specified in the incorrect order. Specify the correct order of the steps. Determine the null and alternative hypotheses. Select a level of significance. Make a decision about the unknown population. Select a sample and compute the z-score for the sample mean.
Question Help v Listed below are the lead concentrations in ug/g measured in different traditional medicines. Use a 0.01 significance level to test the claim that the mean lead concentration for all such medicines is less than 18 ug/g. Assume that the sample is a simple random sample. 12.5 17.5 22 6.5 18 18 16 19 6.5 D Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? Ο Α. Ho μ 18 μga H,: µ#18 ug/g O B. Ho: = 18 ug/g H;: µ 18 ug/g O D. Ho: u> 18 µg/g Η : μ< 18 μg Determine the test statistic. |(Round to two decimal places as needed.) Determine the P-value. (Round to three decimal places as needed.) State the final conclusion that addresses the original claim. V Ho. There is evidence to conclude that the mean lead concentration for all such medicines is V 18 μg g. ? Click to select your answer(s). MacBook Ai DII 80 888 F7 FS FA F3 esc F2 & de 23 %24 8 5 6 7 2 3 4 1 P U Q W E 11 J K F G I
.2.3 Assigned Media The P-value for a hypothesis test is shown. Use the P-value to decide whether to reject Ho when the level of significance is (a) a = 0.01, (b) a = 0.05, and (c) a= 0.10. P=0.0618 (a) Do you reject or fail to reject Ho at the 0.01 level of significance? A. Reject Ho because the P-value, 0.0618, is greater than a= 0.01. B. Reject Ho because the P-value, 0.0618, is less than a =0.01. C. Fail to reject Ho because the P-value, 0.0618, is less than oa= 0.01. O D. Fail to reject Ho because the P-value, 0.0618, is greater than a= 0.01. Click to select your answer and then click Check Answer. parts Type here to search 0 耳 PrtScn Home End F1 F2 F3 F4 F5 F6 F7 F8 F9 %23
A hospital has a main campus and three satellite locations. Management wants to reduce waiting time for ER cases. A random sample of 11 ER cases at each location was selected, and the waiting time was measured. Excel.) Complete parts (a) through (d) to determine if there is statistical evidence of a difference in the mean waiting times betweeen the four locations. a. State the two hypotheses. Choose the correct answer below. O B. Ho: H1 = H2 = ••• = H4 H;: 41 H2# • • • # µ4 O A. Ho: H1 =H2 = ••• = H4 H;: Not all H are equal (where j= 1,2,.4) OC. Họ: H1 = H2 = • •• = H1 H;: 41 # H2# • •• #H11 D. Ho: H1 = H2= • •• - H11 H;: Not all H; are equal (where j= 1,2,.,11) b. At the 0.05 level of significance, state the test statistic. (Round to two decimal places to the right of the decimal point as needed.) O A. FSTAT = 0.005 , from the first row of the ANOVA table O B. FSTAT = 4.91 , from the first row of the ANOVA table O C. FSTAT = 2.05 , from the first row of the ANOVA table O D. FSTAT =…
O.3. Question Help A group of students estimated the length of one minute without reference to a watch or clock, and the times (seconds) are listed below. Use a 0.10 significance level to test the claim that these times are from a population with a mean equal to 60 seconds. Does it appear that students are reasonably good at estimating one minute? 66 80 37 66 45 22 62 66 65 45 64 73 94 91 63 O Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? O A. Ho: u= 60 seconds H:µ#60 seconds O B. Ho: H= 60 seconds H4:µ 60 seconds O D. Ho: u#60 seconds H:µ = 60 seconds Click to select your answer and then click Check Answer. ? 3 3 parts remaining Clear All Check Answer MacBook 888 DD esc. F7 F8 F9 F10 F11 F12 F3 F4 F5 F6 F1 @ $ & 1 2 4 5 7 8 Q W E R. T Y tab A S G J K os lock C V B # 3

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