Polling Organizations Statistics Discussion

There are 3 discussion board and 2 technology assignment mentioned in “work” file.
PROF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 COURSE EVAL 4.3 4.5 3.7 4.3 4.4 4.2 4.0 3.4 4.7 3.9 3.1 4.0 3.8 3.4 2.9 4.5 4.0 3.8 4.3 3.4 3.4 3.3 4.3 4.4 4.1 4.6 4.2 4.0 3.3 4.4 2.3 3.5 4.7 3.9 4.0 4.3 3.8 3.8 4.0 4.6 PROF EVAL 4.7 4.6 4.1 4.5 4.8 4.4 4.4 3.4 4.8 4.0 3.6 4.1 4.1 3.5 2.9 4.6 4.4 4.0 4.9 3.5 3.7 3.4 4.3 4.5 4.3 4.8 4.4 4.4 3.6 4.6 2.3 4.3 4.9 4.2 4.2 4.3 3.9 3.9 4.1 4.8 1 PROF GENDER female male male female female male female female female male male male male male female male female male female female female female male male male female male male male male female male male male female male female male male male PROF AGE 36 59 51 40 31 62 33 51 33 47 35 37 42 49 37 45 56 48 46 57 52 29 62 64 64 34 58 52 73 70 41 63 47 39 47 54 44 47 62 60 SIZE 24 17 55 40 42 182 33 25 29 16 18 30 28 30 23 23 27 100 25 17 19 19 30 15 21 20 84 13 12 47 10 28 10 86 21 15 30 20 12 25 40 41 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 72 73 74 75 76 77 78 79 80 81 82 3.5 4.7 3.4 3.9 4.5 4.7 3.5 3.7 4.0 4.1 4.4 4.2 4.5 3.8 3.1 3.7 3.9 4.0 3.3 3.1 4.0 4.3 3.7 3.4 4.3 3.7 4.2 2.2 3.0 4.3 3.5 4.6 3.7 3.8 3.6 4.4 4.1 4.3 4.0 4.8 3.5 3.3 4.4 3.3 4.0 4.5 4.9 3.7 3.9 4.4 4.4 4.5 4.3 4.8 4.1 3.5 4.0 3.8 4.1 3.7 3.2 4.2 4.5 3.8 3.7 4.5 3.8 4.5 2.4 3.0 4.5 3.5 4.8 4.2 4.0 3.7 4.5 4.7 4.3 4.0 4.9 3.5 2 male male female male male male female female female male female male female female male male female female male female male male female female female male male male female male male male male female female female male male female male male 37 42 39 49 61 33 58 56 50 52 33 57 38 34 34 32 42 43 35 62 42 39 52 52 52 64 50 60 51 43 52 51 38 47 43 38 43 57 51 45 57 15 13 22 28 22 30 26 12 22 57 10 69 46 54 24 85 44 35 11 22 45 22 64 31 59 9 15 23 47 19 46 348 44 19 47 33 10 7 9 13 13 83 84 85 86 87 88 89 90 91 92 93 94 3.6 3.8 4.7 4.9 4.3 3.3 3.4 3.6 4.0 3.9 4.3 3.3 3.3 4.2 4.8 4.9 4.5 3.3 3.3 3.6 4.1 3.7 4.5 3.5 3 female female male male male male female male female female male female 47 54 58 42 33 62 35 61 52 60 32 42 16 18 16 15 85 11 60 27 61 23 98 48 PROF BEAUTY PROF PHOTO CLASS LEVEL 5.000 color upper 3.000 color upper 3.333 color upper 3.167 color upper 7.333 color upper 5.500 color upper 4.167 color upper 4.000 color upper 4.667 color upper 5.500 color upper 4.833 color upper 4.333 color upper 4.833 color upper 4.000 color upper 5.500 color upper 4.167 color upper 2.500 color upper 4.333 color lower 4.333 black&white upper 4.333 color upper 4.833 color upper 2.833 color upper 3.000 color upper 4.167 color upper 4.167 color upper 7.833 color upper 3.833 color upper 4.833 color upper 3.000 color upper 3.000 color upper 5.167 color upper 4.333 color upper 2.667 color upper 5.500 color lower 4.333 color lower 2.333 color upper 6.500 color upper 2.333 color upper 3.000 color upper 3.667 color upper 4 6.167 4.000 8.167 6.500 4.833 7.000 4.667 3.833 3.167 3.167 5.833 5.667 6.500 1.667 6.667 3.667 6.167 3.333 3.667 3.500 2.667 5.667 6.000 6.500 2.333 2.333 7.167 1.667 5.167 3.500 5.833 6.167 3.333 5.167 4.167 2.500 4.333 3.000 6.333 3.333 2.833 color color color color color color black&white color color color black&white black&white black&white color color black&white color color black&white color color color black&white black&white color color color color color color color color color color color color color color color color black&white upper upper lower upper lower upper upper upper lower upper upper upper upper lower upper lower lower lower upper upper upper upper upper upper upper upper upper upper upper lower upper lower lower lower lower lower lower upper upper lower lower 5 6.667 6.833 7.833 7.833 5.833 2.000 7.833 3.333 4.500 4.333 6.833 5.333 black&white black&white black&white black&white color color color color color black&white color color lower lower lower lower lower lower lower lower lower upper lower upper 6 Week 5 discussion board : Polling Organizations: Polling agencies claim to provide accurate readings of the pulse of America. They give the public a percentage of the population who are likely to vote for a particular candidate, or a company the probability that their customers may purchase their product. Polling organizations sample the population and use a proportion to predict the results during an election or the likelihood a customer will buy. Choose a polling organization and look up a current sampling situation. Discuss the poll, sample size, point-estimate, margin of error, and inferences. Explain the importance of this data and what you find interesting about the results. Be sure to provide a reference to your poll! Week 6 discussion board : Google Scholar or Chapman/Brandman Library Research: Use Google Scholar or the Library tab on Blackboard to find a research study in any area of interest to you that involves hypothesis testing. Describe the study, hypothesis test, null/alternative hypothesis, alpha value, one or two-tailed test, results, and inferences made. Please make sure you cite references to any sources you use for this question. Provide a link to the actual study so that classmates can review the hypothesis test data. Explain the inferences you make from these results, importance of this data in general, how it relates to your life, and what you find interesting about the study. Week 6 technology assignment : Download the data set “Airport Speeds” in your preferred technology format (StatCrunch, Statdisk, Excel). Column 2 denotes the data speeds (Mbps), taken from 50 different airports, for the carrier Verizon. Column 4 denotes the data speeds (Mbps) for the carrier AT&T from the same 50 airports. Using technology (StatCrunch, Statdisk, or Excel) compute the mean data speed for each of the two carriers, Verizon and AT&T. Provide a printout of your technology output using the Insert/Edit Image feature (no attachments!) Based on this, which carrier do you think has the faster speed? Next, using technology (StatCrunch, Statdisk, or Excel) conduct a hypothesis test to test your claim about which carrier has the faster speed. Explain which test you conducted and why that is the appropriate test for this example. Provide a printout of your technology output using the Insert/Edit Image feature (no attachments!) Explain your conclusion in statistical and non-statistical terms and how you arrived at that conclusion. Be sure to follow the 8-step procedure on page 360, using technology to do your calculations. You should include your null and alternative hypothesis (in English and in symbolic form), your significance level, whether you are conducting a right tailed, left tailed, or two tailed test, p-value, and conclusions. Week 7 discussion board : Correlation – There was a not a placement test for this class, but do you think there would be a positive correlation between a placement test score and the final grade in this class? What other variables do you think would have a positive correlation with the final grade in this (or any) class? What variables would have a negative correlation with a final grade in a class? Look up a study that finds a correlation between grades and some other variables. Describe the variables, the study, the methods used, whether the correlation is positive or negative, and how this relates to your life. Be sure to provide a reference! Week 7 technology assignment : Download the data set “Course Evaluations” in your preferred technology format (StatCrunch, Statdisk, Excel). Column 2 denotes the mean course rating, and Column 3 denotes the mean professor rating. Using your preferred technology format (StatCrunch, Statdisk, Excel), generate a scatterplot for these two data sets. Based on the graph, do you believe the two sets are correlated? Now, using the same program, complete a hypothesis test to test the claim that the course rating and the professor rating are correlated. Provide a printout of your technology output using the Insert/Edit Image feature (no attachments!) Explain your conclusion in statistical and non-statistical terms and how you arrived at that conclusion. Be sure to follow the 8-step procedure on page 360, using technology to do your calculations. You should include your null and alternative hypothesis (in English and in symbolic form), your significance level, whether you are conducting a right tailed, left tailed, or two tailed test, r-value, p-value, and conclusions. AIRPORT CODE VERIZON RSW 38.5 55.6 ORD SNA 22.4 14.1 MEM 23.1 MKE IND 24.5 6.5 DCA LAS 21.5 CMH 25.7 14.7 PIT ATL 77.8 71.3 MDW BWI 43.0 RDU 20.2 15.5 FLL SMF 13.7 11.1 SEA IAD 13.5 MCI 10.2 21.1 LGA CLE 15.1 14.2 MCO 4.5 PDX CLT 7.9 9.9 TPA DFW 10.3 6.2 BOS 17.5 SJC MIA 22.2 13.1 DTW LAX 18.2 AUS 28.5 15.8 SLC HNL 15.0 11.1 HOU DEN 11.8 OAK 16.0 10.9 IAH PHX 1.8 34.6 DAL SPRINT 13.0 30.4 15.2 2.4 2.7 2.1 0.8 1.6 5.6 4.0 0.4 2.5 3.4 2.7 10.6 0.3 1.6 2.7 1.1 3.8 0.5 1.2 5.0 1.1 14.1 0.6 1.0 3.6 4.0 0.5 15.1 0.5 3.2 0.5 2.1 0.3 0.4 0.4 0.6 0.2 AT&T T-MOBILE 9.7 8.6 8.2 7.0 7.1 18.5 14.4 16.7 13.4 5.6 30.6 3.2 14.4 16.2 17.0 6.9 3.8 27.3 12.4 10.1 33.9 27.3 5.5 13.3 12.7 3.2 11.0 5.4 4.8 4.3 17.5 23.5 8.0 15.0 14.7 4.2 9.5 13.5 13.8 4.7 7.6 24.7 9.5 22.2 6.5 15.0 9.1 4.4 5.3 16.1 10.0 14.8 11.7 9.6 2.7 7.4 4.0 5.0 22.4 4.4 3.0 0.7 29.0 5.1 4.0 2.8 5.1 10.9 2.7 3.6 8.1 12.7 6.0 22.5 10.2 23.8 7.6 13.3 37.4 5.1 1 JFK SFO SAT STL BNA MSY PHL EWR MSP SAN 4.6 12.0 11.6 3.6 1.9 7.7 0.8 4.5 1.4 3.2 1.2 0.7 0.3 8.2 2.3 0.3 0.5 9.6 0.3 0.3 21.0 2.8 4.5 2.2 4.6 6.3 7.5 9.3 10.0 2.7 2 9.8 2.5 11.7 17.3 9.5 1.4 5.9 13.4 16.7 2.6 …





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