Answer:
0.9113
Step-by-step explanation:
Given :
Sample standard deviation of Stock X = 4.665
Sample standard deviation of Stock Y = 8.427
Sample Covariance = 35.826
The Correlation Coefficient, R is related to sample covariance and standard deviation using the formular :
R = Covariance(X, Y) / (SD(X) * (SD(Y))
R = 35.826 / (4.665 * 8.427)
R = 35.826 / 39.311955
R = 0.9113
Hence, correlation Coefficient, R = 0.9113 which depicts a strong positive relationship.
15 cucumbers to 45 carrots...
so the ratio of cucumbers to carrots is : 15/45 which reduces to 1/3 <==
Answer: C.Sample 2: 10 boys and 35 girls
Step-by-step explanation:
The class president wants to survey the students at the high school about the selection of food offered by the school cafeteria. The president knows that there are 150 boys and 175 girls.
girls in the high school. Which of the following is a representative sample of the high school population?
A.Sample 4: 7 boys and 6 girls
B.Sample 1: 10 boys and 10 girl
C.Sample 2: 10 boys and 35 girls
D.Sample 3: 6 boys and 7 girls
Answer:
(-1,-5)(0,-8)(1,-9)(2,-8)(3,-5)
Step-by-step explanation:
