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

Author Question: In one town, monthly incomes for men with college degrees are found to have a standard deviation of ... (Read 208 times)

piesebel

  • Hero Member
  • *****
  • Posts: 565
on: Aug 1, 2018
In one town, monthly incomes for men with college degrees are found to have a standard deviation of 650.
 
  Use a 0.01 significance level to test the claim that for men without college degrees in that town, incomes have a higher standard deviation. A random sample of 22 men without college degrees resulted in incomes with a standard deviation of 977.

Question 2

Rolling a single loaded die 50 times, keeping track of the fives rolled.
 
  A) Procedure results in a binomial distribution.
  B) Not binomial: the probability p does not remain constant for each trial.
  C) Not binomial: there are more than two outcomes for each trial.
  D) Not binomial: the trials are not independent.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wuly

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Aug 1, 2018
Answer to Question 1

Test statistic: X2 = 47.444. Critical values: X2 = 38.932. Reject . There is sufficient evidence to support the claim that incomes of men without college degrees have a standard deviation greater than 650.

Answer to Question 2

A


piesebel

  • Member
  • Posts: 565
Reply 2 on: Aug 1, 2018
Wow, this really help

elyse44

  • Member
  • Posts: 319
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The average adult has about 21 square feet of skin.

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?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

The Blue-bearded Bee-eater Nyctyornis athertoni is a large species of bee-eater found in South Asia. The Blue-bearded Bee-eater Nyctyornis athertoni is a large species of bee-eater found in South Asia.
Deviation of Normal Posture Deviation of Normal Posture
(A) The name and shape of the adult teeth. These teeth represent those found in the right side of th (A) The name and shape of the adult teeth. These teeth represent those found in the right side of th
Researchers have found that science instruction can be quite effective in grades 4 to 7. Researchers have found that science instruction can be quite effective in grades 4 to 7.
Standard Laboratory Lipid Profiles Standard Laboratory Lipid Profiles
Calculating the Deviation IQ Score Calculating the Deviation IQ Score
Video: Inflammatory response Animation

For a complete list of videos, visit our video library