How many of the following statements are correctly stated?• Qualitative variables describe how much or how many of the characteristic there is.• A nominal variable is a quantitative variable with no natural ordering.• A discrete variable is one whose possible values can be listed.• A person's height is an example of a continuous variable measured at interval level.• An interval variable is any quantitative variable with numerical ordering.(Type your answer in numerical form, like 3)

How many of the following statements are correctly stated? Qualitative variables describe how much…

Answered: How many of the following statements…

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 researcher wants to determine if the exam scores of the students are dependent on the length of time spent in studying the subject. Ten students in a certain class were taken and the results are shown in the table below where X is the time spent in studying the subject in hours and Y is the examination scores. (Copy-paste the data and run the analysis using MS Excel). X (time) Y (score) 1.5 80 3.0 83 1.25 83 0.5 70 3.5 85 2.5 75 1.0 70 3.0 90 2.5 86 4.0 91 Predict the examination score (rounded to the nearest integer) of a student who spends 2 hours in studying the subject.
Please help with (f). The two fill in questions. Thank you.
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
(Multiple choice) Which of the following statements correctly describes the difference between discrete and continuous data?
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…
How far a person travelled to get an ice cream at Scoops Parlour shop. This represents a discrete variable This represents a continuous variable
#1 = 2 O Continue = 3 (a) University in which a student is enrolled 2 Variable (b) Dosage (in milligrams) of medication F2 or each of the variables described below, indicate whether it is a quantitative or a categorical (qualitative) variable. Als the variable: nominal, ordinal, interval, or ratio. Make sure your responses are the most specific possible. (c) Playing time (in seconds) of a DVD W 4,723 = 4 w# 3 80 F3 E = 5 C 4 SEP 16 R Type of variable OQuantitative Categorical 6 O Quantitative Categorical O Quantitative Categorical 85 % F E # F5 7 T Level of measurement O Nominal Ordinal Interval Ratio Nominal Ordinal Interval O Ratio Nominal Ordinal Interval Ratio 6 tv MacBook Air G 8 ♫A Y 7 H 9 X =NUTES ©2022 McGraw Hill LLC. All Righ 8 10 3 U J ( 9 1
SCUBA divers have maximum dive times they cannot exceed when going to different depths. The data in the table below show different depths with the maximum dive times in minutes. (Comma separated lists of the data are also provided below the table to ease in copying the data to R.) Depth in Feet (x) 50 60 70 80 90 100 x: 50, 60, 70, 80, 90, 100 y: 179, 166, 150, 138, 124, 110 Maximum Dive Time in Minutes (y) 179 166 150 138 124 110 1. Find the best fit line for the data. y = + x 2. Graph the scatter plot of the data together with the best fit line using R. (This portion of the problem is not graded.) 3. Predict the maximum dive time at a depth of 23 feet. Question Help: D Post to forum
The graph plots the gas mileage of various cars from the same model year versus the weight of these cars in thousands of pounds. Describe the association between the two variables. Also explain what the point at the very top represents. 3.75 Weight (thousands of pounds) BIUA A LE xx, E 12pt Paragraph Subm
How much should a healthy Shetland pony weigh? Let x be the age of the pony (in months), and let y be the average weight of the pony (in kilograms). x 3 6 12 20 26 y 60 95 140 160 189 (a) Make a scatter diagram of the data and visualize the line you think best fits the data. Flash Player version 10 or higher is required for this question. You can get Flash Player free from Adobe's website. (b) Would you say the correlation is low, moderate, or strong? low moderate strong Would you say the correlation is positive or negative? positive negative (c) Use a calculator to verify that x = 67, x2 = 1265, y = 644, y2 = 93,546, and xy = 10,544. Compute r. (Round your answer to three decimal places.) As x increases from 3 to 26 months, does the value of r imply that y should tend to increase or decrease? Explain your answer. Given our value of r, y should…
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