5.4.35 Assigned Media Question Help The following data represent the number of different communication activities used by a random sample of teenagers in a given week. Complete parts (a) through (d). Activities 0 1−2 3−4 5+ Total Male 21 83 58 38 200 Female 21 51 57 71 200 Total 42 134 115 109 400 (a) Are the events "female" and "5+ activities" independent? ▼ Yes, No, because ▼ Upper P left parenthesis female right parenthesis and Upper P left parenthesis female| 5 plus activities right parenthesisP(female) and P(female|5+ activities) Upper P left parenthesis 5 plus activities right parenthesis and Upper P left parenthesis female| 5 plus activities right parenthesisP(5+ activities) and P(female|5+ activities) Upper P left parenthesis female right parenthesis and Upper P left parenthesis 5 plus activities right parenthesisP(female) and P(5+ activities) are ▼ not equal. equal.
Correlation
Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.
|
5.4.35
|
Assigned Media
|
Question Help
|
|
Activities
|
0
|
1−2
|
3−4
|
5+
|
Total
|
|
|---|---|---|---|---|---|---|
|
Male
|
21
|
83
|
58
|
38
|
200
|
|
|
Female
|
21
|
51
|
57
|
71
|
200
|
|
|
Total
|
42
|
134
|
115
|
109
|
400
|
|
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
