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

Author Question: The t distribution should be used whenever _____. a. the sample size is less than 30 b. the sample ... (Read 108 times)

ec501234

  • Hero Member
  • *****
  • Posts: 573
The t distribution should be used whenever _____.
 a. the sample size is less than 30
  b. the sample standard deviation is used to estimate the population standard deviation
  c. the population is not normally distributed
  d. None of the answers is correct.

Question 2

Excel's NORM.S.DIST function can be used to compute _____.
 a. cumulative probabilities for a standard normal z value
  b. the standard normal z value given a cumulative probability
  c. cumulative probabilities for a normally distributed x value
  d. the normally distributed x value given a cumulative probability



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
Answer to Question 1

b

Answer to Question 2

a




ec501234

  • Member
  • Posts: 573
Reply 2 on: Jun 24, 2018
:D TYSM


diana chang

  • Member
  • Posts: 288
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

For a complete list of videos, visit our video library