« previous next »

Author Question: If covariance between two variables is near 0, it implies that a. a positive relationship exists ... (Read 98 times)

vicky

  • Hero Member
  • *****
  • Posts: 586
on: Jun 24, 2018
If covariance between two variables is near 0, it implies that
 a. a positive relationship exists between the variables.
  b. the variables are not linearly related.
  c. the variables are negatively related.
  d. the variables are strongly related.

Question 2

Which of the following graphs provides information on outliers and IQR of a data set?
 a. Histogram b. Line chart
  c. Scatter chart d. Box plot


joshraies

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Jun 24, 2018
Answer to Question 1

b
RATIONALE: If the covariance between two variables is near 0, then the variables are not linearly related.

Answer to Question 2

d
RATIONALE: A box plot is a graphical summary of the distribution of data, and it is developed from the quartiles for a data set. Therefore, the information on the outliers and IQR can be obtained from a box plot.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Leaf structure and its relationship to the C4 cycle Leaf structure and its relationship to the C4 cycle
Relationship of the conduction system to an ECG strip. Relationship of the conduction system to an ECG strip.
Steric relationship of the stereoisomers of alanine to the absolute configuration of L Steric relationship of the stereoisomers of alanine to the absolute configuration of L
The relationship between pH, pKa, and the dissociation of an acid The relationship between pH, pKa, and the dissociation of an acid
Positive and Negative Symptoms of Schizophrenia Positive and Negative Symptoms of Schizophrenia
Nonverbal communications convey strong, powerful messages that may be negative or positive. Nonverbal communications convey strong, powerful messages that may be negative or positive.
Video: The Lagging Strand in DNA Replication and Replication in Action

For a complete list of videos, visit our video library