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

Author Question: The confidence intervals for two separate samples would be expected to differ because a. the ... (Read 26 times)

LaDunn

  • Hero Member
  • *****
  • Posts: 526
on: Jun 20, 2018
The confidence intervals for two separate samples would be expected to differ because
 
  a. the sample means differ.
  b. the sample standard deviations differ.
  c. the sample sizes differ.
  d. all of the above

Question 2

The t distribution
 
  a. is smoother than the normal distribution.
  b. is quite different from the normal distribution.
  c. approaches the normal distribution as its degrees of freedom increase.
  d. is necessary when we know the population standard deviation.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chloejackso

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

C


LaDunn

  • Member
  • Posts: 526
Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

nyrave

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

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 oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

(a) Mammal species from central Saskatchewan differ greatly in their isotopic signatures. (b) There (a) Mammal species from central Saskatchewan differ greatly in their isotopic signatures. (b) There
Heavy fuel droplets separate as they flow around an abrupt bend in an intake manifold. Heavy fuel droplets separate as they flow around an abrupt bend in an intake manifold.
A Listing of the Expected Electron Configurations for Some of the Common Elementsa A Listing of the Expected Electron Configurations for Some of the Common Elementsa
Factors for Tolerance Intervals Factors for Tolerance Intervals
Warm Intervals and Ice Ages Warm Intervals and Ice Ages
Bateson and Punnett’s Observed and Expected Phenotypes in F2 Sweet Peas Bateson and Punnett’s Observed and Expected Phenotypes in F2 Sweet Peas
Video: Calvin cycle (The light-independent reactions )

For a complete list of videos, visit our video library