What are the treatments and the response variables ?

Q: Distinguish between frequentist and subjective approaches?

A: 1. The frequentist approach is the statistical tool that is used to determine the conclusions from…

Q: For a particular value of a predictor variable, is there a difference between the predicted value of…

A: Introduction: Suppose the population regression equation for a simple linear regression model of the…

Q: Which method describes an experiment?

A: HERE scenarios are given for check whether additive improve milage of car

Q: Why is the response rate an important consideration in survey? And give some examples to…

A: If response rate is low, results may notdemonstrate the population as well as if response rate was…

Q: How to Evaluation of the p -Value Approach?

A: Concept of p-value: The p-value in hypothesis testing is the probability of obtaining a test…

Q: What are the values of the test statistic and P-value for their test?

A: We have to conduct a Chi - square test of independence.

Q: ase “Heart.Disease”. The researcher wants to find which explanatory variable will be a better…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at…

Q: Researchers wanted to determine if having a television (TV) in the bedroom is associated with…

A: This is an observational study because the researchers observe the behavior of the individuals in…

Q: What does it mean to say that two variables are positively​ associated? Negatively​ associated?

A: Association: The association of how two varaibles are connected with each other. It decides how one…

Q: How does the purpose of the research study affect the data analysis techniques selected?

A: Introduction - Data analysis - The process of data analysis uses analytics and logical reasoning to…

Q: What variables do Teczar find to have the most significant controlled associa

A: From the given information, The table of correlations is, Women in Ministries sample size 0.5…

Q: Suppose we want to use systolic blood pressure to predict diastolic blood pressure. The explanatory…

A: Solution

Q: What is the difference between defining a research problem and developing a hypothesis?

A: The difference between defining a research problem and developing a hypothesis is given below:

Q: A school psychologist wants to test the effectiveness of a new method of teaching English. She…

A: As per our guidelines we are supposed to answer only 3 sub-parts of any one question so I am solving…

Q: What is formula for degree of freedom?

A: Degrees of freedom in statistics are the number of independent observation or variables that can…

Q: What statistic would you use if you had one independent variable ‘geographic location’ (North,…

A: Given information: One independent variable is ‘geographic location’ (North, South, East, West). One…

Q: d. What type of variable is the response (categorical or quantitative)? How about the explanatory…

A: Given that X represents height of the athlete And Y denotes the length of the jump.

Q: Interpret the test hypothesis either reject or not. And, how about the significant level?

A: Answer: From the given output, Test statistic = 2329.367 P-value = 0.0000 As p-value < 0.05, we…

Q: Explain the concept of standardize the predictor variable ?

A: Standardization is the process of putting different variables on the same scale. The standardization…

Q: Does a prep course increase SAT scores? Last year, a school offered an after-school SAT prep class…

A: Note: Hey there! Thank you for the question. As you have posted multiple sub-parts, according to our…

Q: What is the predicted response value?

A: Given: x y 67.7 -25.7 72.2 -5 55.8 21.3 64.1 11 70.9 64.9 61.6 -25 65.3 84.6…

Q: A public health researcher is interested in some factors that influence heart disease. In a survey…

A: No. of individuals in the survey=68 The researcher collects data on 3 variables i.e., Biking,…

Q: What is the explanatory variable? Is it categorical or quantitative ?

A: It is an important part of statistics. It is widely used.

Q: How do I attach an Excel or SPPS.sav data set to this question window?

A: Ensure that you have the field titles, i.e. variable names, in row 1 at the top of each column of…

Q: What is Scatterplot?

A: Scatterplot: A scatterplot is a type of data display that shows the relationship between two…

Q: What statistic would you use if you had one independent variable, geographic location (North, South,…

A: Given Independent variable is geographic location (North, South, East and West)  Dependent variable…

Q: What are the response variables and explanatory variables for observing vehicles to see what the…

A: In theory of statistics, response variable is a the dependent variable, where the variation of the…

Q: experiment?

A: Given Data: Percentage of babies recovered fully = 40% Total babies in the hospital = 7 Let the…

Q: Investigators are interested in the relationship between sleep apnea and Alzheimer's disease. In…

A: Given  we investigate 50 participants with Alzheimer's and 50 participants without Alzheimer's

Q: What is the weakness of p value approach?

A: p-value is basically the probability that the null hypothesis is false. Interpretation: If p-value…

Q: Explain how we use t as an inferential statistic

A: Inferential statistics:The process of making conclusions regarding the population based on the…

Q: What is the predicted response value? y =

A: Given Regression Equation : and,

Q: How to create a good research hypothesis?

A: *Answer :    There are several criteria that make a research hypothesis a good one, and following…

Q: What is the outcome and the conclusion of this test?

A: a) Option F t sampling distribution because the population is normal, and standard deviation is…

Q: Rebecca is investigating if height has any effect on red blood cell count. What is the response…

A:

Q: How do you know which test/procedure to use given a particular research design or study? What…

A: There are various aspects which we have to analyse to decide which test procedure to use. Some of…

Q: What are the Four Steps to use when working with the t-test ?

A: The Four Steps to use when working with the t-test with p-value approach is given below: Step 1:…

Q: A measure of total variation in the observed values of the response variable is the ______. The…

A: Coefficient of determination: The coefficient of determination (R) is the percentage of the total…

Q: A scientist wanted to study the effect of eating habits on the risk of developing diabetes at older…

A: 1. The correct choice is : (b) Observational: retrospective study. A retrospective or retrospective…

Q: What is the difference between the predictor variable and the criterion variable?

A: In theory of statistics, dependent variable is the criterion or response variable.

Q: Suppose we wish to compare the health status of two groups of people. What variables might we use to…

A: Given information: The investigator is specially interested to compare the health status of two…

Q: How does the duality theory play a central role in a sensitivity analysis?

A: Duality or Duality Theory in linear programming is essentially a theory that develops the…

Q: How does the AQL relate to producer’s risk () and theLTPD relate to consumer’s risk ()?

A: AQL is Acceptance Quality Level and LTPD is Lot Tolerance Percent Defective.

Q: What is the response variable? Is it categorical or quantitative ?

A: It is an important part of statistics. It is widely used.

Q: (1) What is the explanatory variable? (2) What is the response variable?

A: The explanatory variable is the one which is used to predict the response variable. It is also known…

Q: factors

A: It is required to suggest which chart will be best to display Risk factors comparison in men and…

Q: What are the explanatory and response variables?

A: Response variable is defined as the variable which depends on other variable i.e changes on changing…

Q: What is the difference from a controlled variable and the control in a scientific experiment?

A: A control variable is any factor that we control or hold constant during an experiment. Whereas…