d. The p-value for this sample(Please show your answer to four decimal places.)e. The p-value is Select an answerf. Based on this, we shouldO accept the nullO fail to reject the nullO reject the nullg. Thus, the final conclusion is...O There is insufficient evidence to conclude that blood type and branch of the military aredependent.O There is sufficient evidence to conclude that the distribution of blood types is not the same foreach branch of the militaryO There is insufficient evidence to conclude that the distribution of blood types is not the samefor each branch of the military.O There is sufficient evidence to conclude that blood type and branch of the military aredependent.O There is sufficient evidence to conclude that blood type and branch of the military areindependent. A researcher is interested in investigating whether the military branch a person signs up for and theperson's blood type are dependent. The table below shows the results of a survey.Frequencies of Military Branch andBlood TypeAABАrmyNavy140604130111816726Air Force124514621Marines118886727What can be concluded at the a = 0.01 significance level?a. What is the correct statistical test to use?O Paired t-testO Goodness-of-FitO HomogeneityO Independenceb. What are the null and alternative hypotheses?H,:O Blood type and branch of the military are dependent.O The distribution of blood types is the same for each branch of the military.O Blood type and branch of the military are independent.O The distribution of blood types is not the same for each branch of the military.H :O The distribution of blood types is not the same for each branch of the military.O The distribution of blood types is the same for each branch of the military.O Blood type and branch of the military are dependent.O Blood type and branch of the military are independent.C. The test-statistic for this data =(Please show your answer to three decimal places.)%3D

Given observed frequency table: O A B AB Total Army 140 60 41 30 271 Navy 111 81 67 26 285…

Answered: d. The p-value for this sample =…

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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For Numbers 24 to 26: Three veterinary x-ray equipment (A, B, and C) are being tested for efficiency in accurately measuring thorax thickness (in cm) of dogs. Twelve dogs of the same breed and age were randomly assigned to each of the x-ray equipment (i.e., 4 dogs per equipment). The difference in the recorded value of the machine from the reading of a standard and commercially available x- ray equipment was recorded. R-outputs are provided below: equipment: A data: diff_reading W = 0.91474 p-value = 0.5079 Wilk-Shapiro Test for Normality equipment: B data: diff reading W = 0.90886 p-value = 0.4764 equipment Residuals Bartlett test of homogeneity of variances data: diff_reading by equipment Bartlett's K-squared = 2.712, df 2, p-value Df Sum Sq 2 0.5887 9 0.6588 Signif. codes: equipment: C data: diff_reading W = 0.95239 p-value = 0.7311 = Analysis of Variance Mean Sq F value Pr (>F) 0.2944 4.021 0.0565. 0.0732 1***1 0 0.2577 *' 0.001 '**' 0.01 *** 0.05 '.' 0.1 W 1
Three admission test preparation programs are being evaluated. Suppose the scores obtained by a sample of 20 people who used the programs provided the following data. Program A B C 510 450 600 400 510 620 490 400 580 520 430 490 490 480 590 630 360 640 550 560 Use the Kruskal-Wallis test to determine whether there is a significant difference among the three test preparation programs. Use ? = 0.05. State the null and alternative hypotheses. -H0: MedianA ≠ MedianB ≠ MedianCHa: MedianA = MedianB = MedianC -H0: MedianA = MedianB = MedianCHa: MedianA ≠ MedianB ≠ MedianC -H0: All populations of test scores are identical.Ha: Not all populations of test scores are identical. -H0: MedianA = MedianB = MedianCHa: MedianA > MedianB < MedianC -H0: Not all populations of test scores are identical.Ha: All populations of test scores are identical. Find the value of the test statistic. (Round your answer to two decimal places.) Answer=?? Find the p-value.…
Q According to a recent article about individuals who have credit cards, the mean number of cards per person with credit cards is 4. To test this result a random survey of 60 individuals who have credit cards was conducted. The survey only includes the number of credit cards per participant. The results of the survey are attached below. (a) What is the variable of interest in this study? Is it qualitative or quantitative? (b) Do the results of the survey imply that the mean number of cards per individual is less than 4? Use the a= 0.05 level of significance. Click the icon to view the data from the survey. C (a) What is the variable of interest in this study? Is it qualitative or quantitative? The variable of interest is It is a ▼variable. D Clear all Check answer Help me solve this View an example Get more help. 5:42 PM 6/18/2022 E Type here to search 3 7 S X E D C "42 $ R F % 5 T G 40 6 B Y H N C N 8 J M 9 K P 97°F Mostly sunny delete prt sc end 7 1
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repeats and numbérs large 16. What is the purpose of random assignment of subjects into treatmont groups? To cnsure that if an experiment has male and female participants, all the males are in a. one group. To create roughly cquivalent groups at the beginning of the experiment. To provide a baseline for comparing the effects of other treatments. To allow participants to choose the groups the treatment they will reccive. b. C. 17. An experiment was conducted to sec which program, the nicotine patch or counscling, was best a DHonic quit smoking A group of 500 smokers that wantcd to quit were randomly assigne ulnin
Which of the following statement is INCORRECT about the reason for running a two-samples t-test instead of running a one-sample t-test? O a. The control group may provide a baseline with which to compare the means of the experimental group O b. In most real research projects, we do not have information about the parameters O c. The two-samples t-test is methodologically more sound and valid than the one-sample counterpart Od. We need to recruit a greater number of participants in order to increase the power of the study
The necessary condition required for using a dependent sample t-test is a. The two samples should be at least of size 50. b. The sample size in both the samples should not be the same. c. The two samples should not be related. d. Two observations are taken from the same individual one prior to the application of treatment and the other after the application of treatment.
PLEASE ANSWER 2 to 8 only. ASAP
You wish to test the following claim (Ha) at a significance level of a = 0.10. Ho: p=0.26 Ha:p> 0.26 You obtain a sample of size n = 209 in which there are 72 successful observations. For this test, y should use the (cumulative) binomial distribution to obtain an exact p-value. (Do not use the norm distribution as an approximation for the binomial distribution.) The p-value for this test is (assuming Ho is true) the probability of observing... O at most 72 successful observations O at least 72 successful observations What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... O less than (or equal to) a greater than a This test statistic leads to a decision to... O reject the null O accept the null
e. Consider the following hypothesis test. H: 4, - H, = 0 H.:H,- H, #0 The following results are for two independent samples taken from the two populations. Sample 1 n, = 70 x; =106 o, = 8.4 a. What is the value of the test statistic? Sample 2 n, = 80 x, =108 0z = 7.6 b. What is the p-value? c. With a=0.01 , using the p-value approach, what is your hypothesis testing conclusion? Why? Explain.
19. See photo
9. The time (in seconds) required to catch a falling meter stick was recorded for 6 randomly selected students, both using their dominant hand and non-dominant hand. The data are shown below: Student Dominant Non-dominant 1 2 3 4 5 6 0.177 0.210 0.186 0.189 0.194 0.198 0.179 0.202 0.208 0.184 0.215 0.193 Using a=0.10, test whether the dominant hand time is faster than the non-dominant hand time. You may assume that all conditions are satisfied.

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d. The p-value for this sample = (Please show your e. The p-value is Select an answer V a f. Based on this, we should O accept the null O fail to reject the null O reject the null g. Thus, the final conclusion is... O There is insufficient evidence to conclude that blood dependent.