Sophia Statistics Unit 4 Milestone Questions Answers Rationale Latest Summer 2021.

The table below shows the grade and reading level for 5 students.
Grade Reading Level
Student 1 2 6
Student 2 6 14
Student 3 5 12
Student 4 4 10
Student 5 1 4
For grade, the mean is 3.6 and the standard deviation is 2.1.
For reading level, the mean is 9.2 and the standard deviation is 4.1.
Using the formula below or Excel, find the correlation coefficient, r, for this set of students. Answer choices
are rounded to the nearest hundredth.
1.00
0.85
0.71
Sophia Statistics Unit 4 Milestone
Questions Answers Rationale Latest
Summer 2021
0.92
RATIONALE
In order to get the correlation, we can use the formula:
Correlation can be quickly calculated by using Excel. Enter the values and use the function "=CORREL(".
CONCEPT
Correlation
I need help with this question
2
This scatterplot shows the maintenance expense for a truck based on its years of service.
The