A survey asks people to identify their age, annual income, marital status. For each of these three variables identify the scale of measurement that probably is used and identify whether the variable is continuous or discrete.

Q: What is the interquartile range of the data in the box plot

A: From the given plot, it is observed that the upper quartile is 95 and lower quartile is 72.

Q: You are interested in the relationship between maternal weight gain during pregnancy and birth…

A: Solution Answer 16) Maternal Weight Gain greater than or equal to 50 pounds. Because the box plot of…

Q: very observation in a data set is multiplied by a constant k. What best describes the effect on…

A: Given : Every observation in a data set is multiplied by a constant k Let the observations be :…

Q: Which of the following is preferred for graphing a variable with a nominal scale of measurement?

A: Nominal variable A nominal variable is a variable where a nomenclature for the different measures…

Q: © The scatter plot shows the relationship between time, in 5-year intervals, and the population of a…

A: To explain why time is the independent variable.

Q: The results of a poll show that the true proportion of students who prefer the new schedule is…

A: Point estimate of interval: The point estimate of population  is given by, p^=Upper bound + Lower…

Q: What are time plots and when are they useful to use in research?

A: Time Plot:Time plot or Time series plot is a statistical graph where there is a measure of units is…

Q: question 1 “Researchers found that about 40% of college students in their study binge drink (i.e.,…

A: Introduction: It is required to classify the independent variable as discrete or continuous.

Q: Marilyn Monroe is studying the effects of smoking. To do so, she exposes 96 mice to the scaled…

A: Population: The set of all people, items, or objects that are required for a specific study is…

Q: what is the relative error of this data ? Please do in excel and show the formula you applied.

A: Hint: First I found standard error and then relative standard error  Solution: Standard error=…

Q: A researcher would like to know if IQ scores are related to age. Using 35 freshmen students, he…

A: Solution

Q: Choose the coefficient of determination that matches the scatterplot. Assume that the scales on the…

A:

Q: Complete the table above by including: Measurement Type (i.e., nominal, ordinal, continuous) for all…

A: Solution

Q: Suppose a researcher collects data on the gas mileage, measured in miles per gallon, for both city…

A: Given: Sample size =  35 X = City gas mileage  Y = Highway gas mileage There is an outlier in the x…

Q: What is the type of the variable "The total number of calls made by a salesperson in a month"? O a.…

A: Each variable measured using the four measurement. Type of measurments are ordinal, nominal, ratio…

Q: According to the National Cancer Institute, primary bone cancer accounts for lets than 1% of all…

A: Continuous data: Continuous data can take values between a range. For Example: Height

Q: What type of function would describe a curve that best fits the data based on the scatter plot…

A: I have given an answer in step 2.

Q: A measure of variation which has minimal used because of its instability. *

A: Measures of variation are used to find out how far apart data points are from each other. They are…

Q: Explain Both Absolute and relative measure of dispersion with suitable examples.

A: dispersion means "spreadness" of the data .

Q: A researcher investigated the relationship between family income and savings. Using data from 15…

A: Solution

Q: Since the beginning of the semester, Mr. Bates has regular workouts where his Apple Watch® keeps…

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have…

Q: Determine and explain why the following is discrete or continuous variable 1. income of a teacher…

A: A variable can be discrete or continous. Discrete variable are countably finite and it will be…

Q: The percentage of damage is thought to be a function of speed. In 15 different vehicles,…

A: Note: In case of multiple subparts, answer to first three subparts will be provided as per the…

Q: The median is equal to the 5th decile. True or False?

A: Solution

Q: In a study, the number of students enrolled in an online section of Elementary Statistics was…

A: We have to identify type of variable.

Q: A student wants to predict the child birth rate based on gross domestic product (GDP). Since the…

A: True

Q: In order to be considered for a scholarship, Kyle must score at least in the 75 percentile of all…

A:

Q: Indicate that they are qualitative and quantitative data, give 2 specific examples and indicate when…

A: To give examples of qualitative and quantitative data and provide the definition

Q: Give at least two examples of continuous data measurements that are relevant to a business process

A: Data measurements can be categorized into 2, continuous and discrete. Discrete data or variables can…

Q: the temperature of a coffee cup is 185.3 degrees, is it a discrete or a continuos data set?

A: first we understooddefination of Discrete random variable→discrete random variable has a countable…

Q: Suppose the correlation between height and weight for adults is +0.80. What proportion (or percent)…

A: From the given information,The correlation between weight and height for adults is 0.80

Q: A reference period will decrease the reliability of a question. True False

A:

Q: recent experiment included measuring the weight of a package of raw almonds.  This type of data…

A: We have to find given probability

Q: A data set contains the nutritional content per serving of 77 brands of breakfast cereal.…

A: Quantitative variables: Quantitative variable is the variable which measures a numerical quantity.…

Q: An observation is considered an outlier if it is above:

A:

Q: Can qualitative variables be classified as discrete or continuous. Explain.

A: Qualitative variables and Quantitative variables:Qualitative data are represented in the form of…

Q: What is the definition of continuous data?

A: It is given that the data is continuous.

Q: Determine whether the following are Qualitative or Quantitative. If Quantitative, classify if it is…

A:

Q: Calculate the range for the following variables assuming they are continuous  2,7,7,3,9,8,7,20

A: From the provided information, The data values are as follow: 2, 7, 7, 3, 9, 8, 7, 20

Q: What is the type of the variable "The names of Kuwaiti hotels"? O a. Qualitative Nominal O b.…

A: What is the type of the variable The names of Kuwaiti hotels .

Q: Assume that you have a large set of data that ranges from a low score of 209 to a high score of 283.…

A: 15. The best width of class interval is, Width=High score-Low scoreNumber of…

Q: Calculate the range for the following variables, assumng they are continuous.…

A:

Q: A numerical quantity that measures the strength of the linear relationship between two variables is…

A:

Q: Determine if the data are approximately normally distributed. Please use R software.

A: Given the data, we have to Determine if the data are approximately normally distributed using R…

Q: A real estate agent has developed a linear model for the price of a house, P, in dollars in terms of…

A: As we know that, Extrapolation is an estimation of a value based on extending a known sequence of…

Q: The table shows the number of lemons have rated from a tree every two days.what is the average rate…

A: Application of derivatives