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Let M,, M2 and M, be the median sales for aisle locations of front, middle and rear, respectively. Determine the hypotheses. Choose the correct answer below. O A. Ho: M, = M, or M2 = M, H;: Not all M, are equal (j= 1, 2, 3) OC. Họ: M, - Mạ - Mg H,: Not all M are equal (j = 1, 2, 3) O B. Ho: Not all M, are equal (j = 1, 2, 3) H,: M, - M2 - M, O D. Ho: M, - M2 -M, H,: M, + M, or M, M, Find the test statistic. H-O (Round to two decimal places as needed.) Find the critical value. xở - (Round to two decimal places as needed.) Is there evidence of a significant difference in the median sales of the various aisle locations at a=0.01? the null hypothesis. There is | evidence at the 0.01 level of significance to conclude that there is a significant difference in the median sales of Reject Do not reject

Let M,, M2 and M, be the median sales for aisle locations of front, middle and rear, respectively. Determine the hypotheses. Choose the correct answer below. O A. Ho: M, = M, or M2 = M, H;: Not all M, are equal (j= 1, 2, 3) OC. Họ: M, - Mạ - Mg H,: Not all M are equal (j = 1, 2, 3) O B. Ho: Not all M, are equal (j = 1, 2, 3) H,: M, - M2 - M, O D. Ho: M, - M2 -M, H,: M, + M, or M, M, Find the test statistic. H-O (Round to two decimal places as needed.) Find the critical value. xở - (Round to two decimal places as needed.) Is there evidence of a significant difference in the median sales of the various aisle locations at a=0.01? the null hypothesis. There is | evidence at the 0.01 level of significance to conclude that there is a significant difference in the median sales of Reject Do not reject

MATLAB: An Introduction with Applications
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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A store wants to determine whether product location has an effect on the sales of a toy. A random sample of 18 stores is selected, with six stores randomly assigned to each of three aisle locations. The sales volume at the end of a trial period is shown in the accompanying table. At the 0.01 level of significance, is there evidence of a significant difference between the median sales of the various aisle locations? E Click the icon to view the table of sales data. E Click the icon to view the critical values of y table. Table of sales data Let M,, M, and M, be the median sales for aisle locations of front, middle and rear, respectively. Determine the hypotheses. Choose the correct answer below. Aisle Location ($ Thousands) Front Middle Rear O A. Ho: M, = M, or M2 = M3 O B. Hg: Not alI M, are equal (j = 1, 2, 3) 8.7 3.2 4.5 H,: Not all M, are equal (j = 1, 2, 3) H4: M, = M2 = M3 7.3 2.2 5.9 OC. Ho: M, = M2 = Mg H,: Not all M, are equal (j = 1, 2, 3) O D. Ho: M, = M, = M, H,: M, # M2 or M2 # M3 5.4 1.9 3.9 6.4 1.4 2.9 5.3 1.8 2.1 Find the test statistic. 3.9 1.6 2.9 H= (Round to two decimal places as needed.) Find the critical value. (Round to two decimal places as needed.) Print Done Is there evidence of a significant difference in the median sales of the various aisle locations at a = 0.01? V the null hypothesis. There is evidence at the 0.01 level of significance to conclude that there is a significant difference in the median sales of the various aisle locations. Reject Do not reject
Transcribed Image Text:A store wants to determine whether product location has an effect on the sales of a toy. A random sample of 18 stores is selected, with six stores randomly assigned to each of three aisle locations. The sales volume at the end of a trial period is shown in the accompanying table. At the 0.01 level of significance, is there evidence of a significant difference between the median sales of the various aisle locations? E Click the icon to view the table of sales data. E Click the icon to view the critical values of y table. Table of sales data Let M,, M, and M, be the median sales for aisle locations of front, middle and rear, respectively. Determine the hypotheses. Choose the correct answer below. Aisle Location ($ Thousands) Front Middle Rear O A. Ho: M, = M, or M2 = M3 O B. Hg: Not alI M, are equal (j = 1, 2, 3) 8.7 3.2 4.5 H,: Not all M, are equal (j = 1, 2, 3) H4: M, = M2 = M3 7.3 2.2 5.9 OC. Ho: M, = M2 = Mg H,: Not all M, are equal (j = 1, 2, 3) O D. Ho: M, = M, = M, H,: M, # M2 or M2 # M3 5.4 1.9 3.9 6.4 1.4 2.9 5.3 1.8 2.1 Find the test statistic. 3.9 1.6 2.9 H= (Round to two decimal places as needed.) Find the critical value. (Round to two decimal places as needed.) Print Done Is there evidence of a significant difference in the median sales of the various aisle locations at a = 0.01? V the null hypothesis. There is evidence at the 0.01 level of significance to conclude that there is a significant difference in the median sales of the various aisle locations. Reject Do not reject
A store wants to determine whether product location has an effect on the sales of a toy. A random sample of 18 stores is selected, with six stores randomly assigned to each of three aisle locations. The sales volume at the end of a trial period is shown in the accompanying table. At the 0.01 level of significance, is there evidence of a significant difference between the median sales of the various aisle locations? E Click the icon to view the table of sales data. E Click the icon to view the critical values of x? table. Chi square critical values freede freedom 0.995 Let M,, M, and M, be the median sales for aisle locations of front, middle and rear, respectively. Determine the hy 0.99 0.975 0.95 0.90 0.75 0.25 0.10 0.05 0.025 0.01 0.005 0.001 0.051 0.004 0.103 3.841 5.991 0.016 0.102 0.575 1.323 2.773 2.706 4.605 5.024 7.378 6.635 9.210 7.879 10.597 1 2 0.010 0.020 0.211 O A. Ho: M, = M2 or M2 = M3 H,: Not all M, are equal (j = 1, 2, 3) 0.072 0.115 0.216 0.352 0.584 1.213 4.108 6.251 7.815 9.348 11.345 12.838 4 0.207 0.297 0.484 0.711 1.064 1.923 5.385 7.779 9.488 11.143 13.277 14.860 0.412 0.554 0.831 1.145 1.610 2.675 6.626 9.236 11.071 12.833 15.086 16.750 OC. Ho: M, = M2 = M3 0.872 2.204 7.841 12.592 6. 0.676 1.237 1.635 3.455 10.645 14.449 16.812 18.458 7 0.989 1.239 1.690 2.167 2.833 4.255 9.037 12.017 14.067 16.013 18.475 20.278 H,: Not all M, are equal (j = 1, 2, 3) 1.344 1.646 2.180 2.733 3.490 5.071 10.219 13.362 15.507 17.535 20.090 21.955 4.168 4.865 11.389 12.549 23.589 25.188 9 1.735 2.088 2.700 3.325 5.899 6.737 14.684 15.987 16.919 19.023 20.483 21.666 Find the test statistic. 10 2.156 2.558 3.247 3.940 18.307 23.209 11 2.603 3.053 3.816 4.575 5.578 7.584 13.701 17.275 19.675 21.920 24.725 26.757 H=O (Round to two decimal places as needed.) 3.571 4.107 5.226 5.892 18.549 19.812 21.026 22.362 26.217 27.688 6.304 14.845 15.984 12 3.074 3.565 4.404 5.009 5.629 8.438 23.337 28.299 13 7.042 9.299 24.736 29.819 14 4.075 4.660 6.571 7.790 10.165 17.117 21.064 23.685 26.119 29.141 31.319 Find the critical value. 15 4.601 5.229 6.262 7.261 8.547 11.037 18.245 22.307 24.996 27.488 30.578 32.801 16 5.142 5.812 6.908 7.962 9.312 11.912 19.369 23.542 26.296 28.845 32.000 34.267 xỉ = (Round to two decimal places as needed.) 17 5.697 6.408 7.564 8.672 10.085 12.792 20.489 24.769 27.587 30.191 33.409 35.718 18 6.265 7.015 8.231 9.390 10.865 13.675 21.605 25.989 28.869 31.526 34.805 37.156 Is there evidence of a significant difference in the median sales of the various aisle locations at a = 0.01? 19 6.844 7.633 8.907 10.117 11.651 14.562 22.718 27.204 30.144 32.852 36.191 38.582 20 7.434 8.260 9.591 10.851 12.443 15.452 23.828 28.412 31.410 34.170 37.566 39.997 16.344 17.240 21 8.034 8.897 10.283 11.591 13.240 24.935 29.615 32.671 35.479 38.932 41.401 V the null hypothesis. There is V evidence at the 0.01 level of significance to conclude tha 22 8.643 9.542 10.982 12.338 14.042 26.039 30.813 33.924 36.781 40.289 42.796 10.196 10.856 23 9.260 11.689 12.401 13.091 14.848 18.137 19.037 27.141 32.007 35.172 38.076 41.638 44.181 24 9.886 13.848 15.659 28.241 33.196 36.415 39.364 42.980 45.559 25 10.520 11.524 13.120 14.611 16.473 19.939 29.339 34.382 37.652 40.646 44.314 46.928 26 11.160 12.198 13.844 20.843 45.642 15.379 16.151 17.292 30.435 35.563 38.885 41.923 48.290 49.645 insufficient 27 11.808 12.879 14.573 18.114 21.749 31.528 36.741 40.113 43.194 46.963 28 12.461 13.565 15.308 16.928 18.939 22.657 32.620 37.916 41.337 44.461 48.278 50.993 29 13.121 14.257 16.047 17.708 19.768 23.567 33.711 39.087 42.557 45.722 49.588 52.336 sufficient 30 13.787 14.954 16.791 18.493 20.599 24.478 34.800 40.256 43.773 46.979 50.892 53.672 Degrees of freedom 0.995 0.99 0.975 0.95 0.90 0.75 0.25 0.10 0.05 0.025 0.01 0.005 Upper-tail areas (a)
Transcribed Image Text:A store wants to determine whether product location has an effect on the sales of a toy. A random sample of 18 stores is selected, with six stores randomly assigned to each of three aisle locations. The sales volume at the end of a trial period is shown in the accompanying table. At the 0.01 level of significance, is there evidence of a significant difference between the median sales of the various aisle locations? E Click the icon to view the table of sales data. E Click the icon to view the critical values of x? table. Chi square critical values freede freedom 0.995 Let M,, M, and M, be the median sales for aisle locations of front, middle and rear, respectively. Determine the hy 0.99 0.975 0.95 0.90 0.75 0.25 0.10 0.05 0.025 0.01 0.005 0.001 0.051 0.004 0.103 3.841 5.991 0.016 0.102 0.575 1.323 2.773 2.706 4.605 5.024 7.378 6.635 9.210 7.879 10.597 1 2 0.010 0.020 0.211 O A. Ho: M, = M2 or M2 = M3 H,: Not all M, are equal (j = 1, 2, 3) 0.072 0.115 0.216 0.352 0.584 1.213 4.108 6.251 7.815 9.348 11.345 12.838 4 0.207 0.297 0.484 0.711 1.064 1.923 5.385 7.779 9.488 11.143 13.277 14.860 0.412 0.554 0.831 1.145 1.610 2.675 6.626 9.236 11.071 12.833 15.086 16.750 OC. Ho: M, = M2 = M3 0.872 2.204 7.841 12.592 6. 0.676 1.237 1.635 3.455 10.645 14.449 16.812 18.458 7 0.989 1.239 1.690 2.167 2.833 4.255 9.037 12.017 14.067 16.013 18.475 20.278 H,: Not all M, are equal (j = 1, 2, 3) 1.344 1.646 2.180 2.733 3.490 5.071 10.219 13.362 15.507 17.535 20.090 21.955 4.168 4.865 11.389 12.549 23.589 25.188 9 1.735 2.088 2.700 3.325 5.899 6.737 14.684 15.987 16.919 19.023 20.483 21.666 Find the test statistic. 10 2.156 2.558 3.247 3.940 18.307 23.209 11 2.603 3.053 3.816 4.575 5.578 7.584 13.701 17.275 19.675 21.920 24.725 26.757 H=O (Round to two decimal places as needed.) 3.571 4.107 5.226 5.892 18.549 19.812 21.026 22.362 26.217 27.688 6.304 14.845 15.984 12 3.074 3.565 4.404 5.009 5.629 8.438 23.337 28.299 13 7.042 9.299 24.736 29.819 14 4.075 4.660 6.571 7.790 10.165 17.117 21.064 23.685 26.119 29.141 31.319 Find the critical value. 15 4.601 5.229 6.262 7.261 8.547 11.037 18.245 22.307 24.996 27.488 30.578 32.801 16 5.142 5.812 6.908 7.962 9.312 11.912 19.369 23.542 26.296 28.845 32.000 34.267 xỉ = (Round to two decimal places as needed.) 17 5.697 6.408 7.564 8.672 10.085 12.792 20.489 24.769 27.587 30.191 33.409 35.718 18 6.265 7.015 8.231 9.390 10.865 13.675 21.605 25.989 28.869 31.526 34.805 37.156 Is there evidence of a significant difference in the median sales of the various aisle locations at a = 0.01? 19 6.844 7.633 8.907 10.117 11.651 14.562 22.718 27.204 30.144 32.852 36.191 38.582 20 7.434 8.260 9.591 10.851 12.443 15.452 23.828 28.412 31.410 34.170 37.566 39.997 16.344 17.240 21 8.034 8.897 10.283 11.591 13.240 24.935 29.615 32.671 35.479 38.932 41.401 V the null hypothesis. There is V evidence at the 0.01 level of significance to conclude tha 22 8.643 9.542 10.982 12.338 14.042 26.039 30.813 33.924 36.781 40.289 42.796 10.196 10.856 23 9.260 11.689 12.401 13.091 14.848 18.137 19.037 27.141 32.007 35.172 38.076 41.638 44.181 24 9.886 13.848 15.659 28.241 33.196 36.415 39.364 42.980 45.559 25 10.520 11.524 13.120 14.611 16.473 19.939 29.339 34.382 37.652 40.646 44.314 46.928 26 11.160 12.198 13.844 20.843 45.642 15.379 16.151 17.292 30.435 35.563 38.885 41.923 48.290 49.645 insufficient 27 11.808 12.879 14.573 18.114 21.749 31.528 36.741 40.113 43.194 46.963 28 12.461 13.565 15.308 16.928 18.939 22.657 32.620 37.916 41.337 44.461 48.278 50.993 29 13.121 14.257 16.047 17.708 19.768 23.567 33.711 39.087 42.557 45.722 49.588 52.336 sufficient 30 13.787 14.954 16.791 18.493 20.599 24.478 34.800 40.256 43.773 46.979 50.892 53.672 Degrees of freedom 0.995 0.99 0.975 0.95 0.90 0.75 0.25 0.10 0.05 0.025 0.01 0.005 Upper-tail areas (a)
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