ll Globe11:15 PMDone Practical Research 2 M...PAMANTASAN NG LUNGSOD NG MARIKINASENIOR HIGH SCHOOL DEPARTMENTNicanor Roxas St. San Roque, Marikina CityC. Directions: Identify the different variables in the following situations. In case one type of variable is notused, write NA. Write your answer on the space provided.1. You are provided with the following scores of contestants in a painting competition. Thecontestants have used different types of painting materials in their artwork, such as acrylic, oiland watercolor.ContestantsJudge 1Judge 21 Acrylic86832 Acrylic80823 Oil76804 Oil90865 Watercolor87896 Watercolor8791Quantitative Variable(s)Qualitative Variable(s) :Ordinal VariableDependent VariableIndependent Variable :Extraneous Variable2. You are given the following data regarding the effects of a public relations campaign on thesatisfaction rating of top government officials of country XYZ.Net Satisfaction RatingBeforeAfterPresident+46%+62%Vice President+32%+41%Senate President-12%-2%Supreme Court Justice+24%+34%13 | Page

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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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Complete parts (a) through (h) for the data below. X 3. 4 8. y 8 12 17 20 (a) By hand, draw a scatter diagram treating x as the explanatory variable and y as the response variable. Choose the correct scatter diagram below. O A. Ов. OC. O D. Ay 20- Ay 20- Ay 10- 10- 10 10 0. 10 20 (b) Find the equation of the line containing the points (3,5) and (8,20). y = (Type integers or simplified fractions.) Type here to search 48 F lyp 12 prt sc delete home 14 16 144 144 & unu lock backspace 3 4 8. %24 米

A teacher is interested to know whether the average number of hours spent by the students in watching educational YouTube videos has a significant relationship with their performance during the final term examination. He surveyed a group of students on his class and tabulated the result. Use 0.05 level of significance. Student Number of Hours (X) Exam Scores (Y) A 4 36 B 2 20 3 21 D 4. 36 E 27 3 25 2 19 H 1 20 5 23 J 4. 45 K 49 40 M 5 26 N 2 40 3 34 ТOTAL X = = What is the value of the slope?
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Scenario: Is there a relationship between test scores (X) and presentation type (Y)? Test scores were quantified using the % correct. Students were able to choose the presentation type of their test — they could take the test online or in-person. Question: What is the scale of measurement for variable X in this scenario? Nominal Ordinal Scale
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I have collected real data on the sale of a microwavable cup of soup across 20 different cities for the same time period (a month). The variables in the dataset are: Quantity sold in the city for that month: Measured in thousands of units Price: measured in dollars Average Income in the city: Measured in thousands of dollars Ads: Average number of ads run in stores for that city during that month. Price of a substitute product: measured in dollars Population of the city: measured in thousands of people The dataset is on Canvas and, using Excel or any other statistical software, please answer the following questions: 1. Describe the patterns in quantity sold and own and rival prices during this time period using basic descriptive statistics. Graphs are welcome as well. 2. Take the logs of the variables, and estimate the demand function. a. Interpret the R-square. b. Interpret the coefficients for logP and logPsub c. Interpret the p-values associated with each independent…
Statistical technique used to determine the degree to which two variables are related is known as a. Regression b. Correlation c. None of these d. Dispersion
Which of the following is the equation of the relationship between the predictor variable (x) and the response variable (y)? A y = 25.707 + 0.9887xB y = 29.796 + 0.5897xC y = 25.707 + 0.5897xD y = 29.796 + 0.9887x
Attention: These data are different from your previous questions! Now Lynn takes a different approach. They collect another two samples - GPA from students taking a semester of in-class courses, and then the same students' GPA when they are taking a semester of online courses. The data set is below. They predict that they will find a difference between in-class GPA and online GPA for the same students. Differences Between GPA's Student In Class GPA Online GPA Amy 4.0 3.5 Brad 3.5 2.2 Caroline 3.7 2.0 Dan 3.5 3.5 Emily 3.6 3.3 Frank 3.2 3.2 George 3.3 2.1 What is the t-statistic for this t-test? (Round to 2 decimal places.)
Two sets of data shown below represent male and female students' lengths in (cm) in a college. Determine the Coefficient of Variation of male and female students, and then select the correct choices: Set (1) Male Students 152 164 180 175 165 Set (2) Female Students 155 168 164 158 This question includes .multiple correct choices 179 C.V. female = 0.051 C.V. male > C.V. female C.V. female > C.V. male C.V. male = 0.085
In a study measuring the frequency of pain scores of patients on a scale from 1 to 10 for a specific type of pain relief therapy, the pain score variable would best be described as which type of variable? Dichotomous variable Ordinal variable Categorical variable Continuous variable

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