X 9 Search (Alt+Q) Janet Baker AutoSave off ) AG505-Exam03 - Compatibility Mode . Saved to this PC Comments 3 Share File Home Insert Draw Design Layout References Mailings Review View Help Times New Roman ~ 11 ~ A A Aa~ A Normal Title No Spacing 1> Editing Dictate Editor Paste IUvab XXADA Clipboard Paragraph Styles Voice Editor Undo Font State the correct conclusion (There is sufficient evidence at the a = 0.01 significance level to Exam # 03 - Modales 7-10 (See. 11.1, 11.2, 11.3, 12.1, 12.2) Figure 1.1. support. "or There is NOT sufficient evidence at the a = 0.01 significance level to support AC 505 - Statistical Methods in Agriculture O TARGET POPULATION (Painter 3) Instructors Dr. Jose Lopez SAMPLING FRAME This question performs statistical inference on the categorical variables "Neighborhood" and You will work on this exam individually. That is, you are neither allowed to discuss nor share "Garden" and examines if there is any association between the two variables. answers with your classmates (neither hard copies nor electronic vernons of your answers) If you do not understand the instructions provided in this assignment, you should contact your SAMPLED Create a new sub-dataset containing the variables "Neighborhood" and "Garden", Delete the your answers to this Exam in one Word document and moon POPULATION now where there are missing responses from these two variables only. Make sure you submit cument via the Exam 3 sub-tab in the Not cepatis your newly created sub-dataset appropriately labeled. (Point MylesOnline (DZL) web those questions that you can only answer in b-datasets), make sure you write a note in your Word b. Summarize the remaining responses in the following com ency table (also called a two-way or in your Excel document table). Hint Consider using the Filter feature of Microsoft Excel to filter the "urban" from the "suburban" observations, and then filter again the "yes" from the "no". That is, select the names In 2011 try school principal's perceptions of school Source Lobe, S.L. Sampling Design and Analysis, 2nd Ed. Massachusetts: Brooks Cole Cengage of the variables where you want the filter to appear, then click on the Data tab in the menu bar at dents eligible for participation in the study Learning, 2009, p. 4. the top of the window, then click on the Filter button, then filter the observations accordingly sociation and 75 elementary school (Points: 3) She mailed a pre-notice letter to all How mary elementary schools in the sample have a garden? Summarize your answers in the Led the following table. Disregard any missing responss (Le, any skipped mower) from the variable Table !. Contingency Table Neighborhood I's. Garden with two hyperlic cess to "Garden" (Points: 3) Garden weeks later, she emailed a second i Neir Yes No Totals among the importance of their Table 1 Summary of the Presence of a School Garden Urban later, she emailed a third Garden Presence frequency Suburban cure furthering stressing the importance Yes Total however, I declined to participate in vered selective question. The Texas No Assuming that Neighborhood and Garden are independent, report the expects cunts m the is' answers to selective jamsh Total then first now of the Escal document, you can read following table (Points: 3) 3. Among the elementary schools which have a garden, how many elementary schools in the sample use Table 4. Expected Counts ampling units in the population from the garden for academic instruction? Som ariza your answers in the following table. Disregard any Garden frame co missing response (Le, any skipped answer) from the variable "Garden Used fer Instrucdice" Neighborhood No water Educational Alliance for Lear (Points: 3) Urban heult part of the shaly The target Table 2. Summary of the Use of a School Garden for Academic Instruction Subng ban asarcher wants to study. Figure ma (green and black boxes), target popal Garden Use for Academic Instruct. frequency % List the requirements for a chi-square test for indep ence? Are the requ ments for a chi Use Figure I.I. to carefully describe Chloe's Clarence among Chose'starget population, Yea for independence satisfied? (Points: )) square test for independ upled. (Paintmi 4) No Tota Suppose the requir ments are satisfied (Le, proceed with the expected counts calculated in Table 4 regardloan if the requ resents are satisfied). Test the claim that neighborhood and garden are pendent at the a - 0.05 level of significance At the a = 0.01 significance level, test the hypothesis that the proportion of elementary school that State the mull and alternative hypotheses. (Pointn )) have a garden in the population is different from the proportion of elementary school that have a Provide the formula for calculating the task statistic. (Pointsi 3) garden and use it for academic instruction. Assume Assume the responses summarized in Table | are Show all your procedure for calculating the test statistic. (Points: )) pendent of the responses summarized in Table 2. vide the correct final answer for the test statistic. (Points: 3) State the mall and alternative hypotheses. (Points: 3) State the correct conclusion ("There is sufficient evidence at the a = 0.05 significance level to Provide the formula for calculating the ulating the test statistic. (Pointmi 3) support " or "There is NOT sufficient evidence at the a - 0.05 significance level to Show all your procedure for calculating the test statistic. (Pointsi 3) support. ") (Points 3) W P atract final mower for the test statistic. (Potato 3) The follow to how often the school garden is used to support specific areas mental Studies? (b) How often for