A random sample of n observations is selected from a normal population to test the null hypothesis that u= 10. Specify the rejection region for each of the followingcombinations of H, a, and n.a. Ha 10, o= 0.05; n = 14b. Ha > 10; a= 0.10; n = 24C. Ha:d. Ha: 10; a= 0.10; n = 1 1e. Ha u 10; a 0.01 ; n = 221. Η. με 10 , α-0.05, n-510, a= 0.01; n = 12frect: 0c. Select the correct choice below and fill in the answer box within your choice.y(Round to three decimal places as needed.)O A. ItO B. tO C. tClick to select and enter your answer(s) and then click Check Answer3 partsremainingCheck AnswerClear AllTarms of Llcetion Inc All rights rase2019 Pearson lConvriahthere to search

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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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4. Independent random samples were selected from each of two normally distributed populations, n1 = 6 from population 1 and n2 = 4 from population 2. The data are shown in the following table Sample 1 Sample 2 3.1 4.3 2.3 1.4 1.2 1.7 3.7 8.9 .6 3.4 a. Test Ho: of b. Test Ho: of c. Test Ho: of = ož against H1: oỉ > ož.Usea = .05. ož against H1:of < ož.Usea = .01. ož against H1: of + ož.Usea = .10. %3D
A marketing researcher wishes to determine if over 60% of the wine drinkers prefer a certain brand of wine or not. The marketing researcher selects a random sample of size 900 and finds that 558 of them prefer this brand of wine. Question 8. The p-value is closest to O 0.0921 0.001 O 0,05 O 0.1112 O 0.0132
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3
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.
In the research design for a (an) _____, each participant experiences all experimental conditions so as to compare differences across conditions a. one-sample t test b. dependent-samples t test c. independent-samples t test d. z test
6
A sample is selected from a normal population with µ = 54 and σ = 8. Which of the following samples would be considered extreme and unrepresentative for this population? A. M = 53 and n = 81 B. M = 52 and n = 36 C. M = 53 and n = 36 D. M = 52 and n = 81
3. Can SAT scores predict college performance? Let x be a variable that represents SAT score of a computer science major, and let y be a variable that represents a student’s GPA upon graduation. A random sample of n =15 computer science majors provided their SAT scores and GPAs: x 1232 1070 1086 1287 1130 1048 1121 1095 1135 1208 1333 1160 1186 1243 1261 y 3.52 2.91 2.4 3.47 3.47 2.37 2.4 2.24 3.02 3.32 3.59 2.54 3.19 3.71 3.58 The scatter diagram for the SAT score and GPA is given below: (a) Find the sample correlation coefficient r. Truncate to two decimal places. What does the value tell you about the data? (b) Find the equation of the least squares line . Truncate to four decimal places. What does the slope mean? (c) Find the value of the coefficient of determination . Truncate to two decimal places. What does this number mean? (d) What is the predicted GPA if a computer science major got a…
7)
Dr. Tan wants to know whether there is a different in the age of males and females who tested positive for COVID-19. She plans to collect a random sample of size 500 patients. If the patient's age distribution is symmetrical, she should use O a. T-test O b. Mann-Whitney test O c. Sign test O d. Z-test
In Mendel's experiment, he obtained 724 plants with red flowers and 210 with white flowers in his cross of red flowered x white flowered pea plants. Is this result consistent with his hypothesis of factor segregation? Calculate the x and obtain the approximate value of P from Table 1, then interpret the results and clearly state your conclusion. Table 1: Chi-square table Chi Square Values and Probability Degrees of Freedom P= 0.99 0.95 0.80 0.50 0.20 0.05 0.01 1 0.000157 0.00393 0.0642 0.455 1.642 3.841 6.635 2 0.020 0.103 0.446 1.386 3.219 5.991 9.210 3. 0.115 0.352 1.005 2.366 4.642 7.815 11.345 0.297 0.711 1.649 3.357 5.989 9.488 13.277

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