What do you call the measure of how much of the variability in one variable can be explained by variation in the other?

Q: ravelAir.com samples domestic airline flights to explore the relationship between airfare and…

A: let X represents the distance in miles and Y represents the fare in dollars. x y 636 109…

Q: The question is which box plot has the greatest variability and which box plot has the least…

A: Basics of a boxplot:A boxplot is based on the 5-number summary: (Minimum, Q1, Median, Q3, Maximum);…

Q: The field of statistics deals with collecting, presenting, analyzing, and using data to make…

A:

Q: What is the importance of direct and inverse variation in predicting real life scenarios?

A: We discuss the importance of direct and inverse variation in predicting real life scenarios.

Q: If the coefficient of variation for the weights of a sample of packages is equal to (22.5%) and the…

A: We have to find variance.

Q: Which of the following variable is qualitative? A IQ of chess player B Student ID Number (C) Number…

A: Quantitative data : the data that can be measured or counted and expressed in numbers. Qualitative…

Q: The Environmental Protection Agency records data on the fuel economy of many different makes of…

A: Basics: Response  variable measures an outcome of a study.

Q: Discuss the advantages of panel data estimation? Also discuss the linear methods to estimate the…

A: Advantages of panel data estimation: Some of the advantages of panel data are given below: Panel…

Q: The average lifetime of a lightbulb is 10,000 hours. What units would the variance of the lifetime…

A: It is given that the average lifetime of a lightbulb is 10,000 hours.

Q: The coefficient of variation of the data: 2, 2, 2, 2, 2, 2, 2 is 40% 20% 0% O O

A: Solution: x x-ˉx=x-2 (x-ˉx)^2 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 2 0 0 --- ---…

Q: What is data?

A: Data is raw and unorganized fact which is required to be processed to draw meaningful conclusions.…

Q: In quantitative research, the main difference between surveys and correlational research is ?   A.…

A: Surveys and correlation research are research methods.

Q: Using the data below, can I get some help responding this problem?Using checking account balance as…

A: Solution: Enter the data in excel sheet. Here, the dependent variable is balance. Independent…

Q: Statistics as a branch of science that deals with data analysis and interpretations, fills the…

A: Statistics is the branch of science that deals with data and their presentation, interpretation, and…

Q: What can you say about the accuracy of the forecast for an earthquake?

A: Forecasting of an earthquake are used to establish codes of bulding, in awareness programs and in…

Q: The variable personal desire for aggressive treatment is?

A: Aggression is a typical mental illness. This can be caused because of emotional instability due to…

Q: In regression analysis, the variable that is being predicted is the is usually intervening variable…

A: Independent variable: They are called cause variables. Their values of independent of other…

Q: Which one measure of variation would you report for the variable SEX (1=male, 2=female )

A: Variance is a single statistic that measures the spread or variation of a data set.

Q: Explain the meaning of the coefficient of gender (how does gender affect salary?). Does this…

A: Given

Q: A nutritionist collects the weight of college students in the first semester, then again in the…

A: We are given that a nutritionist collects the weight of college students in the first semester, then…

Q: What is the direct variation?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Identify two types of variables and four scales of measurement. How they are related with each…

A: Variables: In statistics, variable is defined as an entity which may takes different values. It…

Q: Which of the following is a quantitative variable? a. price of a car in thousands of dollars

A: Quantitative variables are variables that represent countings, numbers, or percentage.

Q: why do we need to study the variation of a collection of data?

A: Variation is nothing but the distance between the mean of the data from the data point…

Q: What does coefficient of determination explain? (in terms of variation)

A: Coefficient of determination: The coefficient of determination is defined as the proportion of…

Q: The director of a public bus company was asked by the city council to explain the factors that…

A: Here the response variable, Y = Weekly Riders(per 1000) Predictor variables are, X1= Price per Ride…

Q: How do you explain the variables of a histogram?

A: Histogram is a visual representation by showing the frequency of data that fall within a specified…

Q: Is IQ related to GPA?If a student’s IQ is 117, what GPA would you predict?How much of the variation…

A: Given Info :  The provided data are from a random sample of thirty cases from a study by Howell…

Q: Approximately, what percent of the data is more than the third quartile? 25% 0% 50% 75%

A: what percent of the data is more than the third quartile

Q: An extraneous variable that might affect a study of car sales versus income is O al currency…

A: The study is conducted between the two variables car sales and income.

Q: What method would be best to use if the researcher wanted to learn how common something is or to…

A: What method would be best to use if the researcher wanted to learn how common something is or to…

Q: Define the term Qualitative variable with example?

A: Qualitative variable:  The variables which are not numerical  are called as Qualitative variables.…

Q: The Acme School of Locksmithing has been accredited for the past 15 years. Discuss how this…

A: Quantitative Variable  It is a variable in which the values are obtained by counting or measuring.…

Q: A researcher is interested in explaining why suicide rates vary from state to state. She examines…

A: Given, A researcher is interested in explaining why suicide rates vary from state to state. She…

Q: the science that deals with the collection, organization, presentation, analysis, and interpretation…

A:

Q: The Acme School of Locksmiths has been accredited for the past 15 years. Discuss how this…

A: From the given example we want to Know it is qualitative or quantitative.

Q: Which one of the following statements is related to qualitative variable?

A: Qualitative Variable means It can Not be measured

Q: What is the main purpose of data presentation? Is it applicable for our daily lives? Give specific…

A: Data presentation: The data presentation is a term used to showcase the various expects of data with…

Q: dear sir mam how do u create a steam and leaf data plot

A: Stem-and-leaf plot:A graphical representation of the quantitative data in which each data entry is…

Q: True or false. When drawing a scatter diagram, the explanatory variable is placed along the vertical…

A: Solution: The given statement is “When drawing a scatter diagram, the explanatory variable is placed…

Q: independent variable.

A: Measures of variability (sometimes called measures of dispersion) provide descriptive information…

Q: Q5. Briefly explain four factors often used to subdivide life in mortality statistics.

A: Mortality of a population is a measure of the rate of death among that population. Mortality of a…

Q: Which of the 2 predictors, Gest or Weight, is a better predictor of Height?

A: Solution:

Q: What is the dependent and independent variable in the sentence below?   What is the relationship…

A: Dependent variable: is the effect. Its value depends on changes in the independent variable.…

Q: Explain the differences between qualitative and quantitative data; provide examples of each.

A: The data are the individual pieces of factual information recorded, and it is used for the purpose…

Q: 1. Gender is one variable of interest in a study of the effectiveness of a new medication. For data…

A: Qualitative variables/Categorical variables: The variable that describes about the characteristic or…

Q: A discrete variable is A qualitative variable is

A:

Q: What do the box plots tell you about the variability of the data? a. A has greater variability…

A: Answer: Range is calculated by ; Range = maximum value - minimum value IQR = Q3 - Q1