« previous next »

Author Question: Is the number of textbooks you bought this semester discrete or continuous random variable? ... (Read 59 times)

bio_gurl

  • Hero Member
  • *****
  • Posts: 524
on: Jul 24, 2018
Is the number of textbooks you bought this semester discrete or continuous random variable? Explain.

Question 2

Which of the following is not the goal of descriptive statistics?
 a. summarizing data
  b. displaying aspects of the collected data
  c. reporting numerical findings
  d. estimating characteristics of the population based on a sample
  e. none of these


izzat

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 24, 2018
Answer to Question 1

The number of textbooks you bought this semester is a discrete random variable, since it can only assume a countable number of numerical values. A value of 2.75, for example, would not make sense.

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
Mayan Number Mayan Number
Variable and absorption costing, explaining operating-income differences. Variable and absorption costing, explaining operating-income differences.
Which of the following is the most reasonable estimate of the number of characters (typed ... Which of the following is the most reasonable estimate of the number of characters (typed ...
Identify the variable representing each described quantity in the equation Identify the variable representing each described quantity in the equation
Video: Causes of Acne

For a complete list of videos, visit our video library