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

Author Question: Two samples of sizes 25 and 35 are independently drawn from two normal populations, where the ... (Read 77 times)

pepyto

  • Hero Member
  • *****
  • Posts: 547
Two samples of sizes 25 and 35 are independently drawn from two normal populations, where the unknown population variances are assumed to be equal. The number of degrees of freedom of the equal-variances t-test statistic is:
 a. 60.
  b. 59.
  c. 58.
  d. 35.

Question 2

A political analyst in Texas surveys a random sample of registered Democrats and compares the results with those obtained from a random sample of registered Republicans. This would be an example of:
 a. Independent samples.
  b. dependent samples.
  c. Independent samples only if the sample sizes are equal.
  d. Dependent samples only if the sample sizes are equal.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

catron30

  • Sr. Member
  • ****
  • Posts: 297
Answer to Question 1

C

Answer to Question 2

A




pepyto

  • Member
  • Posts: 547
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)


JaynaD87

  • Member
  • Posts: 368
Reply 3 on: Yesterday
Excellent

 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

For a complete list of videos, visit our video library