« previous next »

Author Question: The covariance of the following sample data of four (X, Y) pairs: (1, 5 ), (2, 10 ), (4, 7 ), and ... (Read 87 times)

MGLQZ

  • Hero Member
  • *****
  • Posts: 579
on: Jun 24, 2018
The covariance of the following sample data of four (X, Y) pairs: (1, 5 ), (2, 10 ), (4, 7 ), and (5, 9 ) equals:
 
  A) 1.25
  B) 2.50
  C) 3.75
  D) 3.69

Question 2

Anita collected a data set on the weights (to the nearest pounds) of all students at her university. The best graph to describe this data is a:
 
  A) histogram
  B) pie chart
  C) bar chart
  D) scatter plot


Awesome

  • Sr. Member
  • ****
  • Posts: 280
Reply #1 on: Jun 24, 2018
Answer to Question 1

A

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

A sample prescription written by a physician. A sample prescription written by a physician.
Summary of US Census Data Summary of US Census Data
Sample Problem from Raven’s Progressive Matrices Sample Problem from Raven’s Progressive Matrices
Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ... Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ...
Sample tiered drug formulary for antibiotics. Sample tiered drug formulary for antibiotics.
Correlations on tests for a number of cognitive abilities are higher for monozygotic twin pairs (who ... Correlations on tests for a number of cognitive abilities are higher for monozygotic twin pairs (who ...
Video: Endocytosis -Types and Phagocytosis

For a complete list of videos, visit our video library