You want to find out if the number of hours a student spent studying has any impact on the exam scores. The number of hours isAll or nothing. 1.an independent variable 2.a dependent variable 3.a quantitative variable 4.a qualitative variable 5.a discrete variable 6.a continuous variable

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Answered: You want to find out if the number of…

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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A doctor notes the variables listed in the following table from every patient before admitting in his hospital. Which of the following variables are qualitative and which are quantitative? Which qualitative variables are nominal or ordinal? Which quantitative variables are discrete or continuous? ( 1 ) Gender (Male or Female) ( 2 ) Weight (lbs) ( 3 ) Phone Number ( 4 ) Height (cm) ( 5 ) Marital Status (Single, Married, Divorce, Widow) ( 6 ) Systolic Blood Pressure (mm of pressure) ( 7 ) Temperature (degree F) ( 8 ) Level of Calcium (microgram/milimeter) ( 9 ) Family of Income ( Amount) ( 10 ) Wihte Blood Cells
Water and Carbohydrates Here are the number of grams of water and the number of grams of carbohydrates for a random selection of raw foods ( 100g each). Is there a linear relationship between the variables? Water 73.78, 74.17, 86.26, 83.21, 85.21, 80.05, 76.36 Carbs 23.51, 23.64, 24.11, 16.59, 20.10, 14.65, 15.26 Draw the scatter plot for the variables. Compute the value of the correlation coefficient r= state the hypothesis h0: h1: critical value(s) reject or accept the null hypothesis Give a brief explanation of the type of relationship
When we say a study revealed a “difference in differences”, it means the independent variables exhibited a(n) ________ Main effect Primary effect Pseudo-effect Interaction effect
Classify the variable below as qualitative, discrete, or continuous. Number of online purchases made in a month
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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
ences in your response. Investigation 2: Songs from Spotify - Mode and Popularity A random sample of 3439 songs was selected from the Spotify database and twelve variables were measured for each song. Remember, the Mode variable indicates the type of scale the song's melodic content is derived from (Major or Minor). Popularity is on a scale of 0 to 100 and songs with higher numbers are more popular. Let us now investigate whether Major songs are significantly more "Popular" than Minor songs. Let us define "Popular" as songs that earned a popularity rating of 50 or higher. From the random sample of songs, there were 1964 Major songs and of those 853 were rated "Popular." In addition, there were 1475 Minor songs and of those 587 were rated "Popular." In this invesligation we will subtract (Major - Minor). a) Define the population parameter using context and symbols in one complete sentence. b) State the hypotheses using the claim. c) Check the specific conditions necessary to consider…
Activity 3. Now that you know the most essential concepts in the study of business statistics on the interpretation of data graphically. Let us try to check your understanding of these concepts. In the space provided, you write the level of data measurement and state whether it is discrete or continuous for quantitative variable; otherwise, write qualitative variable: Level of Measurement Type of Data TY O 1. Number of soft drink can sold in the school canteen. 2. Average grade of student in all his freshman courses. 3. The time it takes for an employee to drive to his work. 4. The number at the back of the player's uniform. 5. Floor levels of a new constructed building. 6. Number of people who watched the basketball game. 7. Top ten placers in the recent licensure examination. 8. Scores of students in the final examination for English. 9. The telephone area code in the Philippines. 10. The response time of 911 emergency units. NCIT RITAS OMNIA 11. The total sales at the local pizza…
Classify the variable below as qualitative, discrete, or continuous. The major field of study of students -- Select an Option-
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	1.	an independent variable
	2.	a dependent variable
	3.	a quantitative variable
	4.	a qualitative variable
	5.	a discrete variable
	6.	a continuous variable

You want to find out if the number of hours a student spent studying has any impact on the exam scores. The number of hours is All or nothing. 1. an independent variable 2. a dependent variable 3. a quantitative variable 4. a qualitative variable 5. a discrete variable 6. a continuous variable