A researcher wanted to determine if carpeted or uncarpeted rooms contain more bacteria. The table shows the results forthe number of bacteria per cubic foot for both types of rooms. A normal probability plot and boxplot indicate that the dataare approximately normally distributed with no outliers. Do carpeted rooms have more bacteria than uncarpeted rooms atthe a = 0.05 level of significance?Full data set pUncarpetedCarpeted10.615.46.18.810.910.44.6136.38.88.79.37.832.4E Click the icon to view the Student t-distribution table.U rcarpetPno carpet ruTrcarpetrno carpetCalculate the test statistic, to.to = 1.42 (Round to two decimal places as needed.)Now find the critical value. Select the correct choice below and fill in the answer box within your choice.(Round to three decimal places as needed.)OA.ta/2ta = 1.761Do carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.05 level of significance?O A. Yes, because the test statistic is in the critical region.O B. No, because the test statistic is not in the critical region.O C. Yes, because the test statistic is not in the critical region.O D. No, because the test statistic is in the critical region.

There are two samples which are carpeted and uncarpeted. Both samples are independent and follows…

Full data set O A researcher wanted to determine if carpeted or uncarpeted rooms contain more bacteria. The table shows the results for the number of bacteria per cubic foot for both types of rooms. A normal probability plot and boxplot indicate that the data are approximately normally distributed with no outliers. Do carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.05 level of significance? Carpeted 6.1 Uncarpeted 10.6 8.8 10.9 10.4 4.6 13 15.4 6.3 8.8 8.7 9.3 7.8 9 3 2.4 E Click the icon to view the Student t-distribution table. "U rcarpet rno carpet T rcarpet rno carper Calculate the test statistic, to- to = 1.42 (Round to two decimal places as needed.) Now find the critical value. Select the correct choice below and fill in the answer box within your choice. (Round to three decimal places as needed.) O A. tu/2= B. ty = 1.761 Do carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.05 level of significance? O A. Yes, because the test statistic is in the critical region. O B. No, because the test statistic is not in the critical region. O C. Yes, because the test statistic is not in the critical region. O D. No, because the test statistic is in the critical region.

Full data set O A researcher wanted to determine if carpeted or uncarpeted rooms contain more bacteria. The table shows the results for the number of bacteria per cubic foot for both types of rooms. A normal probability plot and boxplot indicate that the data are approximately normally distributed with no outliers. Do carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.05 level of significance? Carpeted 6.1 Uncarpeted 10.6 8.8 10.9 10.4 4.6 13 15.4 6.3 8.8 8.7 9.3 7.8 9 3 2.4 E Click the icon to view the Student t-distribution table. "U rcarpet rno carpet T rcarpet rno carper Calculate the test statistic, to- to = 1.42 (Round to two decimal places as needed.) Now find the critical value. Select the correct choice below and fill in the answer box within your choice. (Round to three decimal places as needed.) O A. tu/2= B. ty = 1.761 Do carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.05 level of significance? O A. Yes, because the test statistic is in the critical region. O B. No, because the test statistic is not in the critical region. O C. Yes, because the test statistic is not in the critical region. O D. No, because the test statistic is in the critical region.

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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p9 need help please with B and C. Thanks
A researcher wanted to determine if carpeted or uncarpeted rooms contain more bacteria. The table shows the results for the number of bacteria per cubic foot for both types of rooms. A normal probability plot and boxplot indicate that the data are approximately normally distributed with no outliers. Do carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.01 level of significance? Full data set O Carpeted 14.3 9.8 10.7 12.2 Uncarpeted 9.5 9.5 10.9 2.1 15 3 15.8 5.4 6.4 15.2 4.3 10.6 - X Student t-distribution Area in right tail t-Distribution Area in Right Tail Degrees of Freedom 0.25 0.20 0.15 0.10 0.05 0.025 0.02 0.01 0.005 0.0025 0.001 0.0005 1.000 0.816 0.765 0.741 1.376 1.061 0.978 0.941 0.920 1.963 1.386 1.250 1.190 1.156 3.078 1.886 1.638 1.533 6.314 2.920 2.353 2.132 12.706 4.303 3.182 2.776 2.571 15.894 4.849 3.482 2.999 2.757 31.821 6.965 4.541 3.747 3.365 63.657 9.925 5.841 4.604 4.032 127.32 1 14.089 7453 5.598 318.309 636.619 31.599 12.924 8.610 6.869 22.327…
A researcher wanted to determine if carpeted or uncarpeted rooms contain more bacteria. The table shows the results for the number of bacteria per cubic foot for both types of rooms. A normal probability plot and boxplot indicate that the data are approximately normally distributed with no outliers. Do carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.05 level of significance? Full data set O Carpeted Uncarpeted 11.9 11.3 9.8 8.3 9.1 8 7.1 6,7 12.9 13.8 9.5 11.3 11.6 14.4 9.9 14.1 E Click the icon to view the Student t-distribution table. What are the null and alternative hypotheses? Họ: Hcarpet = Pno carpet versus H1: Hcarpet Pno carpet Calculate the test statistic, to- to = (Round to two decimal places as needed.)
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A researcher wanted to determine if carpeted or uncarpeted rooms contain more bacteria. The table shows the results for the number of bacteria per cubic foot for both types of rooms. A normal probability plot and boxplot indicate that the data are approximately normally distributed with no outliers. Do carpeted rooms have more bacteria than uncarpeted rooms at the α=0.01 level of significance? Full data set Carpeted Uncarpeted 12.8 15.7 7 8.7 6.4 8 8.3 9.4 9.1 1.6 0.6 4.1 7.8 14.2 9.8 3 Use the t-table for reference. What are the null and alternative hypotheses?
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