3. In mailed questionnaire you are going to send questionnaire to the postal place of theKeep TryingA. Wnte TRUE if the staterment is correct and FALSE if not.1. Qualitative data are data that can be measure and count.2 Ifyou want to know the population of the country, you may conduct a censuy3. In mailed questionnaire you are going to send questionnaire to the postal place ot.respondence.4 Data that can be measure and count are called qualitative data.5. Gathering of data are needed in statistics.6 Secondary data are the data you collected from the people you interview.7. Questionnaires are direct method of gathering data.S Height, weight, and nge are examples of qualitative data.9. Observing thing in your surrounding is another way to gather data.10. Dependent and Independent data show cause and effect relationship.

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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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1. State whether it will experimental or observational 2. If observational, identify which type specifically (retrospective cohort, prospective cohort, case-control, cross-sectional, ecological) 3. Briefly explain how you can tell what type of study it is. In 2010, we examined the medical records of 2,000 patients ages 53+ associated with Kaiser Permanente (large health care organization) who did NOT have kidney disease in 2005. Then, we look back in the records to see who took BZDs from 2000-2005. After that, we look to see who developed kidney disease from 2006 until 2008. We compared the rates of kidney disease among those who took the BZDs and those who didn’t.
4) Students in two fifth grades were given the same English test. One class of 27 students had a mean of 69 and the second class of 23 students had a mean of 74. What is the mean for the total number of students in both classes to the nearest 0.1?oielusiso pnidgst bomro
6. Construct a stem-and-leaf for the data with a 1-digit stem, leaves do NOT need to be in order. 644, 581, 431, 644, 820, 773, 899, 417, 858
Use the Student_Data which consists of 200 MBA students at Whatsamattu U. It includes variables regarding their age, gender, major, GPA, Bachelors GPA, course load, English speaking status, family, and weekly hours spent studying. Perform a categorical analysis on the majors of students enrolled in the MBA. Describe your findings. 101 0 No Major Unemployed 53 3.01 3.15 6 0 102 0 Leadership Full Time 30 3.3 3.35 6 1 103 0 No Major Part Time 32 3.62 3.6 7 0 104 0 Leadership Full Time 42 3.21 3.4 7 1 105 0 Leadership Full Time 56 3.39 3.4 7 1 106 0 No Major Full Time 46 3.65 3.8 8 1 107 0 Leadership Full Time 49 3.47 3.7 8 1 108 0 No Major Part Time 32 3.44 3.6 7 0 109 0 No Major Full Time 36 3.88 3.95 9 1 110 0 Leadership Full Time 42 3.83 3.95 9 1 111 0 No Major Part Time 37 3.53 3.6 7 0 112 0 No Major Full Time 31 3.22 3.3 6 1 113 0 No Major Full Time 31 3.56 3.8 8 1 114 0 No Major Unemployed 42 3.2 3.25 6 0 115 0 No Major Full Time 39 3.17 3.3 6…
1. Explain the difference between z-tests (which use categorical data), and t-tests (which use numerical data). 2. Conduct a t-test, both when given statistics, and when given data. 3. Conduct a t-test, 2-sample t-test, and paired t-test. 4. Differentiate between the five types of tests we have learned so far.
Find the original data from the stem-and-leaf plot. Stem Leaves 18 167 19 138 20 17 1) 181, 186, 187, 191, 193, 198, 201, 207 2) 18167, 19138, 2017 3) 19, 24, 25, 20, 22, 27, 21, 27 4) 181, 186, 197, 191, 193, 198, 201, 217
Regarding the context regarding the coronavirus pandemic, see the table below, which refers to 5 groups of people infected with the coronavirus and the number of deaths in each group. a) You, student, by observing the data tabulated in the table above, come to what conclusion about the absolute frequency of the second grade? b) João, a person observing the table, calculates and states that the relative frequency of the fourth class is 48.46% and informs that 48.46% of the number of deaths occurred in the group with the number greater than or equal to 70 and less than or equal to 80 infected. Do you agree with João's calculation and interpretation? If you agree or disagree, provide the calculation and interpretation that justifies your choice. c) Going deeper, Maria, another person who looks at the table, interprets that 16 deaths occurred in the group with a number greater than or equal to 40 and less than 70 infected people. When you see this interpretation that Maria made, do you…
There are 15 numbers on a list, and the smallest number is changed from 4 to 0.4.a) Is it possible to determine by how much the mean changes? If so, by how much does it change?b) Is it possible to determine the value of the mean after the change? If so, what is the value?c) Is it possible to determine by how much the median changes? If so, by how much does it change?d) Is it possible to determine by how much the standard deviation changes? If so, by how much does it change
7. Wondering if there is a connection between a person's height and the number of tattoos they have, Mac asks 50 people how tall they are and how many tattoos they have. What type of study was used? a. Experimental b. Observational
Use the Student_Data which consists of 200 MBA students at Whatsamattu U. It includes variables regarding their age, gender, major, GPA, Bachelors GPA, course load, English speaking status, family, and weekly hours spent studying. Perform a categorical analysis on the majors of students enrolled in the MBA. Describe your findings. ID Gender Major Employ Age MBA_GPA BS GPA Hrs_Studying Works FT 101 0 No Major Unemployed 53 3.01 3.15 6 0 102 0 Leadership Full Time 30 3.3 3.35 6 1 103 0 No Major Part Time 32 3.62 3.6 7 0 104 0 Leadership Full Time 42 3.21 3.4 7 1 105 0 Leadership Full Time 56 3.39 3.4 7 1 106 0 No Major Full Time 46 3.65 3.8 8 1 107 0 Leadership Full Time 49 3.47 3.7 8 1 108 0 No Major Part Time 32 3.44 3.6 7 0 109 0 No Major Full Time 36 3.88 3.95 9 1 110 0 Leadership Full Time 42 3.83 3.95 9 1 111 0 No Major Part Time 37 3.53 3.6 7 0 112 0 No Major Full Time 31 3.22 3.3 6 1 113 0 No Major Full Time 31 3.56 3.8 8 1 114 0…
5.Please read and complete currently this is a review.
Please no written by hand and no emage For a data sẹt with 230 observations, how many classes should you have? Type your numeric answer and submit

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