Answer:
Step-by-step explanation:
Given
Required
Find the solution
Substitute 
for x in the first equation
Open bracket
Collect Like Terms
Solve for y
Substitute -4 for y in
Hence, the solution is
Answer:
Correlation is a measure of linear relationship.
Step-by-step explanation:
We are given that a correlation of 0.793 was found between the items answered and the mean score in a test.
- Correlation helps us to to know how to variables are related to each other.
- It is a statistical technique that help us to know type of relation between two variable. It may be a direct relation or a inverse relation.
- In other word, correlation is basically a measure of linear relationship between two variables.
- The correlation ranges from -1 to 1. A correlation between 0.7 and 1 is considered to be a strong correlation.
- A correlation of 0.793 means that there is a strong linear relationship between the two variables.
- Yes, there is a linear relationship between the number of questions answered and the mean score of test.
- So, it can be said as the number of questions answered increases, the mean score increases as well.
Answer:
The perimeter is 52
Step-by-step explanation:
Just add all the numbers together
13 + 9 + 3 + 7 + 5 + 15 = 22 + 10 + 20 = 32 + 20 = 52
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Answer:
1/3 x^2(x+2) is the expression ...
