This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: During a cold winter, the temperature stayed below zero for 10 days (ranging from 20 to 5). The ... (Read 228 times)

stevenposner

  • Hero Member
  • *****
  • Posts: 608
on: Jun 24, 2018
During a cold winter, the temperature stayed below zero for 10 days (ranging from 20 to 5). The variance of the temperatures of the 10 day period _____.
 a. is negative since all the numbers are negative
  b. must be at least zero
  c. cannot be computed since all the numbers are negative
  d. can be either negative or positive

Question 2

When constructing a confidence interval for the population mean using the standard deviation of the sample, the degrees of freedom for the t distribution equals
 a. n - 1.
   b. n.
   c. 2n.
   d. n + 1.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Anonymous

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

a


stevenposner

  • Member
  • Posts: 608
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

emsimon14

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Temperature and Color Temperature and Color
Richmond, Virginia, lies in ruins in April 1865 at the time of Lincoln’s visit—and a few days before Richmond, Virginia, lies in ruins in April 1865 at the time of Lincoln’s visit—and a few days before
The Cold War Thaw and Unification The Cold War Thaw and Unification
Prepare knee for cold application. Undrape the leg. Check tissues visually and through palpation, ... Prepare knee for cold application. Undrape the leg. Check tissues visually and through palpation, ...
Atmospheric properties include temperature, pressure, and humidity Atmospheric properties include temperature, pressure, and humidity
After 159 days,she paid a maturity value of $11,626, which included interest of $814. After 159 days,she paid a maturity value of $11,626, which included interest of $814.
Video: HIV Infection: Viral life cycle

For a complete list of videos, visit our video library