This topic contains a solution. Click here to go to the answer

Author Question: The following data represent a sample of 10 scores on a 20-point statistics quiz: 16, 16, 16, 16, ... (Read 154 times)

Starlight

  • Hero Member
  • *****
  • Posts: 567
The following data represent a sample of 10 scores on a 20-point statistics quiz: 16, 16, 16, 16, 16, 18, 18, 20, 20, and 20 . After the mean, median, range and variance were calculated for the scores, it was discovered that one of the scores of 20 should have been an 18 . Which of the following will change when the calculations are redone using the correct scores?
 a. mean and range
  b. median and range
  c. mean and variance
  d. range and variance
  e. mean, range, median and variance

Question 2

Which of the following is the name given to rejecting the null hypothesis when it is true?
 a. Type A correct decision.
  b. Type B correct decision.
  c. Type I error.
  d. Type II error.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

honnalora

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

C

Answer to Question 2

C




Starlight

  • Member
  • Posts: 567
Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it


parker125

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Excellent

 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

For a complete list of videos, visit our video library