Six (6) students taking the Business Statistics module are asked to each provide an example a variable they have encountered in their day-to-day life. Their responses are as follows. Student Variable Number of blue cars she saw at lunch time over a period of a week Nonjabulo Troy Length of each of the Flat-Earth video he watched on YouTube The colour of gummy candy she ate during lunch Distance he runs each morning in preparation for the new Varsity Shield season The number of lines in each of Python language codes she wrote as part of her dissertation Programming language preferences of the students in the class which he collected from a class survey Jess Khule Sibongile Kyle Which student(s) selected a discrete variable? A. Nonjabulo and Sibongile B. Nonjabulo and Jess C. Sibongile and Khule D. Troy

Six (6) students taking the Business Statistics module are asked to each provide an example a variable they have encountered in their day-to-day life. Their responses are as follows. Student Variable Number of blue cars she saw at lunch time over a period of a week Nonjabulo Troy Length of each of the Flat-Earth video he watched on YouTube The colour of gummy candy she ate during lunch Distance he runs each morning in preparation for the new Varsity Shield season The number of lines in each of Python language codes she wrote as part of her dissertation Programming language preferences of the students in the class which he collected from a class survey Jess Khule Sibongile Kyle Which student(s) selected a discrete variable? A. Nonjabulo and Sibongile B. Nonjabulo and Jess C. Sibongile and Khule D. Troy

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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Which one of the following statements is related to qualitative variable? a. The water capacity of a water tanker is 2000 liters b. Number of cars sold by a showroom in a day Classification of students in a college based on their intelligence Od. The profit of a bákery in one month is 1200 OMR Who defined Statistics as Dumerical statement.of facts in any department of other search
3. You would like to determine if there is a statistical relationship between the amount of caffein in a cup of coffee and their sales at their coffee franchises. The data is included in the set "Coffee by the Cup". Here is information about the variables. Variable Caffeine Cups Sold Measurement Amount of caffeine in one cup Number of cups of the coffee Units Milligrams Cups sold sold at all of the franchises a. Which variable is the explanatory variable and which variable is the response variable? b. Construct a scatterplot of the data. Based upon the scatterplot is there a linear relationship between the amount of caffeine in one cup of the coffee and the number of cups of coffee sold? Justify your reasoning using the scatterplot. c. Run a t-test for correlation using technology. Make sure you include the p-value and the printout. According to the t-test, is there a statistical relationship between the amount of caffeine in a cup of coffee and the number of cups sold? Justify your…
B) has more than one answer .. Thank you
a) A wedding photographer made $500 on average in the 5 years it has been operational. A sample of 12 months were analyzed and it was found that he made an average of $620. Does the value $500 refer to the parameter or to the statistic? Is the value $620 a parameter or a statistic? iii. State two advantages of using a sample statistic rather than a parameter. b) For each the following variables, state which is quantitative and which is qualitative. If it is quantitative, state whether it is discrete or continuous. The amount of flour added to bake a pie The temperature of a glass of milk iii. The addresses of all patients at a dental office c) Choose the level of measurement described below Rate how satisfied are you with your customer service (ordinal, interval) The distance Madison runs every morning (interval, ratio) iii. The Magazine that sells the most copies in a month…
OA. The scatterplot indicates there is a negative, strong, linear relationship between Median Salary and Annual Sales. OB. The scatterplot indicates there is a negative, weak, linear relationship between Median Salary and Annual Sales. OC. The scatterplot indicates there is a positive, strong, linear relationship between Median Salary and Annual Sales. OD. The scatterplot indicates there is a positive, weak, linear relationship between Median Salary and Annual Sales. OE. The scatterplot indicates there is no relationship between Median Salary and Annual Sales.
3. A scatter plot diagram is a: O Graphical technique that allows us to determine the cause and effect relationship and the degree of relationship between two quantitative variables O Graphical technique that allows us to determine the association and the degree of relationship between two quantitative variables O Numerical technique that allows us to determine the relationship as well as the degree of relationship between two quantitative variables Numerical technique that allows us to determine the cause and effect relationship and the degree of relationship between two quantitative variables
Suppose that, as part of a research methods class, Bailey was asked to write a summary of a research paper on the topic of the effects of visitor traffic on the relative humidity in bat caves. Identify the explanatory and the response variables. The number of visitors and the relative humidity are the response variables. The number of visitors is the response variable, and the relative humidity is the explanatory variable. The number of visitors and the relative humidity are the explanatory variables. The number of visitors is the explanatory variable, and the relative humidity is the response variable.
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. Present a description of your variables: Provide a codebook with the following four columns: (1) Variable name; (2) Variable label; (3) Value & Value label and Level of measurement (i.e., nominal, ordinal, interval, ratio). Please present this as a table. This should fit on one page.
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