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 97 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
Thanks for the timely response, appreciate it

T4T

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Large-Flowered Trillium Large-Flowered Trillium
Selected Vitamins: Food Sources, Functions, and Deficiency and Toxicity Symptoms (continued) Selected Vitamins: Food Sources, Functions, and Deficiency and Toxicity Symptoms (continued)
Selected Natural Products Selected Natural Products
Population Distribution Population Distribution
Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ... Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ...
Population age 65 and over and age 85 and over, selected years 1900-2008 and projected 2010-2050. Population age 65 and over and age 85 and over, selected years 1900-2008 and projected 2010-2050.
Video: Bone tissue types - compact and spongy

For a complete list of videos, visit our video library