Author Question: Given the sample variance of a distribution, explain how to find the standard deviation. What ... (Read 112 times)

DyllonKazuo

  • Hero Member
  • *****
  • Posts: 565
Given the sample variance of a distribution, explain how to find the standard deviation.
 
  What will be an ideal response?

Question 2

In a box of 75 markers, 36 markers are either red or black and 15 are blue. Find the probability that a randomly selected marker is red or black or blue.
 
  A) .68 B) .24 C) .32 D) .51



Kimmy

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

Take the square root of the sample variance to find the sample standard deviation.

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

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.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

For a complete list of videos, visit our video library