Answer:
0.21 and 0.22
Step-by-step explanation:
There is no solution is the answer. I had this in one of my math tests so I'm positive it's correct :D
Answer:
Option A
Step-by-step explanation:
Given that in a study of the relationship between geographical mobility (number of times a person has changed residences) and number of friends, Pearson's r^2 is reported as .40.
r square, being the coefficient of determination explains the variablity of one variable due to the variability of the other. Here Mobility explains 40% variation in the number of friends is right answer.
Option B is wrong because r = ±6324, so cannot say positive or negative.
Similarly option c is wrong because we are unsure whether negative correlation. Option d is wrong since 16% is not right .
Answer:
5250
Step-by-step explanation:
a. 7/8 of 60,00
a 
1/2 I believe because you either have up or down either that or its 29/30 but i really do believe its 1/2
