The data shown below consists of the price (in dollars) of 7 events at a local venue and the number of people who attended. Determine if there is significant negative linear correlation between ticket price and number of attendees. Use a significance level of 0.05 and round all values to 4 decimal places. Ticket Price Attendence 6 175 10 148 14 117 18 164 22 108 26 136 30 89 34 92 38 115 Ho: ρ = 0 Ha: ρ < 0 Find the Linear Correlation Coefficient r = Find the p-value p-value = The p-value is Greater than αα Less than (or equal to) αα The p-value leads to a decision to Reject Ho Do Not Reject Ho Accept Ho The conclusion is There is a significant negative linear correlation between ticket price and attendance. There is insufficient evidence to make a conclusion about the linear correlation between ticket price and attendance. There is a significant positive linear correlation between ticket price and attendance. There is a significant linear correlation between ticket price and attendance.
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.
The data shown below consists of the price (in dollars) of 7 events at a local venue and the number of people who attended. Determine if there is significant
| Ticket Price | Attendence |
|---|---|
| 6 | 175 |
| 10 | 148 |
| 14 | 117 |
| 18 | 164 |
| 22 | 108 |
| 26 | 136 |
| 30 | 89 |
| 34 | 92 |
| 38 | 115 |
Ho: ρ = 0
Ha: ρ < 0
Find the Linear Correlation Coefficient
r =
Find the p-value
p-value =
The p-value is
- Greater than αα
- Less than (or equal to) αα
The p-value leads to a decision to
- Reject Ho
- Do Not Reject Ho
- Accept Ho
The conclusion is
- There is a significant negative linear correlation between ticket price and attendance.
- There is insufficient evidence to make a conclusion about the linear correlation between ticket price and attendance.
- There is a significant
positive linear correlation between ticket price and attendance. - There is a significant linear correlation between ticket price and attendance.
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