How to analyze nominally scaled question? frequency analysis descriptive analysis cross tab and chi square regression analysis independent sample t-test

Q: True or False: If two variables are statistically correlated, that means that one thing caused the…

A: The correlation term is used to estimate the strength of an linear relationship between the two…

Q: Which statistical methods is appropriate for this research question? We want to determine if year in…

A: (1) We have given that,  We want to  determine if the year in high school (freshman, sophomore,…

Q: ogistic Regre

A: to examine the degree of authoritarianism, measured by a survey scale of 0 - 100, as a predictor of…

Q: Odds ratio can be used to measure effect size in non-parametric tests.TrueFalse

A:

Q: Use the value of the linear correlation coefficient to calculate the coefficient of determination.…

A: The objective of this question is to calculate the coefficient of determination from the given…

Q: What is the percentage of the total variation in infant mortality that has been explained by this…

A: It is given that Response variable : infant mortality rate Number of predictors : 3 namely x1, x2…

Q: What is regression? why are there in general two regression lines? under what conditions properties…

A: Regression is a statistical method used in finance, investing, and otherdisciplines which attempts…

Q: The owner of a new pizzeria in town wants to study the relationship between weekly revenue and…

A: SSreg=23.5789245  TSS=28.56996954

Q: What is regression analysis? What is correlation analysis?   2-3 sentences each explanation are…

A: Regression analysis and correlation analysis both are statistical term. Both are estimating the…

Q: What is the most important assumption with regard to simple linear regression?       Normality of…

A: Some basic assumptions of Simple linear regression: The relationship between the  variables are…

Q: What test of significance would you use for this case of bivariate or multivariate analysis? Assume…

A: There is a case for bivariate or multivariate analysis. The objective is to select an appropriate…

Q: Calculate range and its co-efficient from the following statistical data: Profits ( $ in 000’s) 125,…

A:

Q: The standard error of the regression measures the Ovariability of the dependent variable relative to…

A: To find the measure of the standard error of the regression.

Q: What is the most suitable statistical test in order to determine whether weight, height, and age…

A: Given that  What is the most suitable statistical test in order to determine whether weight, height,…

Q: A geomorphologist is building a model to understand variation in the amount of runoff observed in…

A: Regression is a statistical process used in making predictions to estimate the association between…

Q: Which of the following procedures would you use to investigate this question: Among graduates of Cal…

A:

Q: Regarding a scatterplot, a. identify one of its uses. b. what property should it have to obtain a…

A: From the given information, a) Uses of scatter plot: It is the graph of two quantitative variables…

Q: What is correlation analysis? What is R-Square?

A: As per our guidelines , we are allowed to answer first question only. Thanks     What is correlation…

Q: Model Summary

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per…

Q: A health analyst studied the relationship between blood pressure and independent variables age…

A: Given Information: The dependent variable is Blood pressure. The independent variables are age,…

Q: Secretary performance The AFL-CIO has undertakena study of 30 secretaries’ yearly salaries (in…

A: Note: Hey, since multiple subparts are posted, we will answer first three subparts according to our…

Q: What is unique about regression? What is the relationship between regression and…? ANOVA Correlation…

A: Regression analysis refers to a method of sorting out which variables may have an impact. The…

Q: What is correlation and regression? What information does it provide? Why is it important?    What…

A: Correlation is the measure of linear association between two variables. The variables are said to be…

Q: Vaccinated first born? Yes No Total Vaccinated both parents? Yes No 10 (10.5) 5 (4.5) 15 4 (3.5) 1…

A: The observed and the expected frequencies are given in the table. The researcher is interested to…

Q: What is the measurement of explained variation? Coefficient of multiple determination Coefficient of…

A: In this case, we need to identify the suitable answer for the given statement.

Q: Notation Chart Template   Concept Notation Concept Notation Sample Mean   Population Mean…

A: Notation: Concept Notation Sample Mean x¯ Sample Standard Deviation (SD) s Sample Standard…

Q: If the seasonal index for this period is 1.31, seasonalized sales (or actuals) for this…

A: Given: Seasonal Index, S.I.=1.31           Actual sales=2,466 unitsTo find: Deseasonlized sales

Q: Descriptive Statistics are used to describe the sample of summarize information about the sample.…

A: Given: Descriptive Statistics are used to describe the sample of summarize information about the…

Q: What is the relationship between diamond price and carat size? 307 diamonds were sampled and a…

A: As given to test the relationship between diamond price and carat size, 307 diamonds were sampled…

Q: A researcher wants to know if taking statistics improves critical thinking skills. She randomly…

A: Given that, A researcher wants to know if taking statistics improves critical thinking skills. She…

Q: If a researcher wants to predict an exam score given someone's SAT score, which test would be most…

A: Pearson's r correlation coefficient measures the strength of linear relationship between two…

Q: 3.Which model do you think is the “best” reduced model? Discuss why you choose this model. Analysis…

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

Q: rom the scatter plot, which of the following is FALSE? Scatterplot of Gradient of Beach Slope vs…

A: Given the scatter plot and the fitted regression line.  Using this scatter plot we have to answer…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.