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

Author Question: The scores of a sample of 5 students, selected from a large population, are given below. Score 70 80 ... (Read 51 times)

Engineer

  • Hero Member
  • *****
  • Posts: 527
on: Jun 24, 2018
The scores of a sample of 5 students, selected from a large population, are given below. Score 70 80 60 90 75
 a. Determine a point estimate for the variance of the population.
  b. Determine a 95 confidence interval for the variance of the population.
  c. At the 10 level of significance, test to determine if the variance of the population is less than or equal to 50.

Question 2

For all waiting lines, P0 + Pw = 1.
 a. True
  b. False
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mfedorka

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jun 24, 2018
Answer to Question 1

a. 125
b. 44.871 to 1033.058
c. H0: 2  50
Ha: 2 > 50
2 = 10 > 7.779 (p-value is between .025 and .05); reject H0

Answer to Question 2

FALSE


Engineer

  • Member
  • Posts: 527
Reply 2 on: Jun 24, 2018
Excellent

olderstudent

  • Member
  • Posts: 339
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Nurse examining and measuring hematuria sample from client with a UTI Nurse examining and measuring hematuria sample from client with a UTI
Booker T. Washington in his office at Tuskegee Institute, 1900. Washington chose a policy of accommo Booker T. Washington in his office at Tuskegee Institute, 1900. Washington chose a policy of accommo
Sample Program for Changing Daily Caloric Intake Sample Program for Changing Daily Caloric Intake
World Population Growth, 1750-2150 World Population Growth, 1750-2150
Selected Minerals Used for Pharmactherapy Selected Minerals Used for Pharmactherapy
Percent of Selected Foods and Beverages Consumed in the United States Percent of Selected Foods and Beverages Consumed in the United States
Video: Parkinson's Disease

For a complete list of videos, visit our video library