Directions: Determine whether each research topic below is univariate or bivariate1. Socio-economic status of SHS students2. IQ level and career preferences3. Mathematics vocabulary level and math grades4. Ages of COVID-19 patients5. Ages of COVID-19 patients and days of recovery6. Annual net income of a television network7. Amount spent in an advertisement and gross sales8. Learning modality preferences of SHS students9. Time spent in reviewing and test scores10. Monthly electricity consumption

Univariate and Bivariate Research Topics

Answered: Directions: Determine whether each…

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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Give a mathematical model to investigate the relationship between one independent variable and dependent variable. Carry out appropriate tests for the significance of the relationship between the data and state the conclusions. Please show the data that you have used and please also provide step by step analysis until you reach the conclusion.
Using a matched-group design is especially important in which of the following cases? a. When you have only a few people in your study b. When you have at least three levels/conditions of the independent variable c. When you do not have a control group d. When you have a complex dependent variable Answer is A. But I don't understand why... could you explain? Matched-groups designs is used to address possible selection effects??but how ? and is that related to this question?
The scientific productivity of major world cities was the subject of a recent study. The study determined the number of scientific papers published between 1994 and 1997 by researchers from each of the 20 world cities, and is shown below. City Number of papers City Number of papers City 1 15 City 11 30 City 2 22 City 12 55 City 3 20 City 13 25 City 4 20 City 14 55 City 5 23 City 15 10 City 6 21 City 16 15 City 7 99 City 17 77 City 8 24 City 18 22 City 9 24 City 19 22 City 10 33 City 20 29 Construct a 9090 % confidence interval for the average number of papers published in major world cities. _______<μ<________
(a) The data given below are the number of complains recoreded per day by a credit carddivision of the bank. Day 1 2 3 4 5 6 7 8 9 10 No. of Complains 4 1 3 5 4 3 3 2 11 3 Develop an appropriate control chart and interpret whether the number of compliantsrecorded by the credit card division is in control. If not, what is your suggestion to thecredit card division of that bank. (b) A supply chain engineering group monitors shipments of materials through thecompany distribution network. Errors on either the delivered material or theaccompanying documentation are tracked on a weekly basis. Six randomly selectedshipments are examined each week and the errors per sample (per shipment) are recordedfor the seven weeks as given below. No. of defects per sample: 12, 13, 18, 17, 14, 30, 11 Set up a u control chart to monitor this process. Comment the control chart?
O O O Less than 8 8. A sample of 400 Goshen households is selected and several variables are recorded. Which of the following statements is correct? * O Total household Income is a ratio level data. Socioeconomic status (recorded as "low income", "middle income", or "high income" is nominal level data. O The number of people living in a household is a continuous variable. O The primary language spoke in the household is ordinal level data.
4. From 2007 to 2016, a different intervention each year has been given to promote community organization membership. Another indicator of the dynamics of WEEL is membership. The household survey respondents were also asked of the year that they became a member of any organization. Is the decision to become a member of the organization been equally likely across interventions? In case you want to replicate the iven results from R Commander, the collected data can be accessed in the householdsurvey worksheet. Write a brief narrative about the analysis (see R Commander Output #13) using these guide questions: a. What is the set of hypotheses to answer the objectives of the problem? b. What is the appropriate test procedure to use? c. Is there evidence that the membership in the organization is not equally likely across interventions (years)? d. Using the estimated proportions, which year recorded the greatest percentage of membership?
I need help with 4 and 7
1. Explain the MVA table based image.
The more costly and time-consuming it is to export and import, the more difficult it is for local companies to be competitive and to reach international markets. As part of an initial investigation exploring foreign market entry, 9 countries were selected from each of four global regions. The cost associated with importing a standardized cargo of goods by sea transport in these countries (in US$ per container) is stored in the accompanying data table. Complete parts (a) through (d). East Asia & Pacific Eastern Europe & Central Asia Latin America & Caribbean Middle East & North Africa240 77 1200 466777 335 688 397266 396 970 554383 83 290 644580 150 545 181220 306 420 646389 1125 450 695233 655 583 754392 100 1500 779 c. At the 0.05 level of significance, is there evidence of a difference in the variation in cost of importing among the four global regions? Determine…
Complete the stemplot for the following data. 29 27 19 25 10 21 33 23 38 15 23 30 13 19 23 13 22 38 28 24 31 29 42 22 46 19 13 28 45 23 1# | 033359992# | 122333345788993# | 013884# |
How are the data search the same? How do they differ? A.) The three data sets have the same mean and mode but have different medians and standard deviations. B.) The three data sets have the same standard deviations but have different means. C.) The three data sets have the same mean, median and mode but have different standard deviations. D.) The three data sets have the same mode but have different standard deviations and means.

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