« previous next »

Author Question: The covariance of the following sample data of four (X, Y) pairs: (1, 5 ), (2, 10 ), (4, 7 ), and ... (Read 97 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?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

An example of a Material Safety Data Sheet (MSDS). An example of a Material Safety Data Sheet (MSDS).
Sample Exercise Program for Limited Older Adults (cont.) Sample Exercise Program for Limited Older Adults (cont.)
Sample of an insurance card. Sample of an insurance card.
The four pairs of paranasal sinuses. The four pairs of paranasal sinuses.
Sample of Enzymes Sample of Enzymes
(left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur (left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur
Video: Resting membrane potential - electrical polarity and maintenance requirements

For a complete list of videos, visit our video library