2. Seven people were tested on three different conditions designed to stimulate creativity. Is there anydifference in a person's creativity score based on condition?Person Condition 1Condition 2 Condition 312345675.66.57.25.26.76.9.5.66.47.05.66.56.7ΣΧ' = 867.525.66.67.25.96.77.06.06.57.0Solve for the appropriate test statistic(s).

Steps to find the F test statistic using Excel (we know that we need the F test statistic and to…

Answered: 2. Seven people were tested on three…

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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16.
The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT): Assume that the population standard deviation on each part of the test is o' = 100 . What is the probability a random sample of 90 test takers will provide a sample mean test score within 10 points of the population mean of 502 on the Critical Reading part of the test? What is the probability a random sample of 90 test takers will provide a sample mean test score within 10 points of the population mean of 515 on the Mathematics part of the test? Compare this probability to the value computed in part (a). What is the probability a random sample of 100 test takers will provide a sample mean test score within 10 of the population mean of 494 on the writing part of the test? Comment on the differences between this probability and the values computed in parts (a) and (b).
6. Several students were tested for reaction times (in thousandths of a second) using their right and left hands. (Each value is the elapsed time between the release of a strip of paper and the instant that it is caught by the subject.) Results from five of the students are included in the graph to the right. Use a 0.10 significance level to test the claim that there is no difference between the reaction times of the right and left hands. 240- 190- Click the icon to view the reaction time data table. 140+ 120 160 200 Right Hand What are the hypotheses for this test? Let Ha be the (1) of the right and left hand reaction times. Ho: Hd (2) H1: Hd (3) What is the test statistic? t D (Round to three decimal places as needed.) Identify the critical value(s). Select the correct choice below and fill the answer box within your choice. (Round to three decimal places as needed.) O A. The critical values are t= ± B. The critical value is t = What is the conclusion? There (4). reaction times of…
True or False
After conducting an ANOVA, you end up with the following results: F(2, 27) = 8.80, p < .05. How many groups were included in your analysis? Enter your answer as a whole number with no decimal places (i.e., 10, not 10.01, not 10.1, not 10.001).
Several students were tested for reaction times (in thousandths of a second) using their right and left hands. (each value is the elapsed time between the release of a strip of paper and the instant that it is caught by the subject.) REsults from five of the students are includedin the graph. Use a significance level to test the claim that there is no difference between the reaction times on the right and left hands.What are the hypothesis for this test?What is the test satistic? Identify the Critical Value(s)What is the Conclusion?
The null hypothesis for a repeated-measures test states O cach individual will have a difference score of D-0 the overall sample will have a mean difference of Mo -0 O the entire population will have a mean difference of do -0 O Allof the other options are correct
Independent sample of 40 male patients and 35 female patients gave the following data on length of stays in days in the hospital. Assume that o1 7.5 days and o, = 6.8 days Male Female 4 4 12 18 9 14 7 15 12 6 12 10 3 6 1 3 7 21 4 15 7 3 55 1 4 4 3 2 10 13 7 5 18 12 1 1 23 2 7 7 2 15 4 17 24 11 14 9 10 7 3 6 1 8 1 5 9 2 14 3 19 3 1 13 a) Ata = 0.20, do the data provide sufficient evidence to conclude that, on the average, males stay in the hospital longer than female? b) Find the 97% confidence interval of the difference in means.
You are conducting a study to see if the proportion of women over 40 who regularly have mammograms is significantly less than 0.24. Thus you are performing a left-tailed test. Your sample data produce the test statistic z=−2.665z=-2.665. Find the p-value accurate to 4 decimal places.
You believe that your morning commute to UCLA is decreasing every week. You record thetime of 7 commutes (one for each day of the week) (in minutes) for the a one-week block and thenthe following one-week block. * Calculations have been done for you: the sample mean difference is -1.714 and the sample standarddeviation is 2.984. Conduct a hypothesis test at the α = 0.15 level. The mean difference calculated as the the first one-week block minus the second one-week block. That is to say week one minus week two. a. Set up the null and alternative hypothesis (using mathematical notation/numbers and interpretthem in context of the problem) b. Calculate the test statistic for the test from part a
12.2.85 Question Help A survey of 1049 adults in a country, asking "As you may know, as part of its effort to investigate terrorism, a federal government agency obtained records from larger telephone and Internet companies in order to compile telephone call logs and Internet communications. Based on what you have heard or read about the program, would you say that you approve or disapprove of this government program?" Of those surveyed, 566 said they disapprove. a. Determine and interpret the sample proportion. b. At the 10% significance level, do the data provide sufficient evidence to conclude that a majority (more than 50%) of adults in the country disapprove of this government surveillance program? Click here to view page 1 of the table of areas under the standard normal curve. Click here to view page 2 of the table of areas under the standard normal curve. a. The sample proportion is (Round to two decimal places as needed.)
answer soonn

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