statistics

posted by .

The alternative hypothesis for an independent-measures t test states ______.
a. There is no mean difference between the two populations being compared.
b. There is no mean difference between the two samples being compared.
c. There is a non-zero mean difference between the two populations being compared.
d. There is a non-zero mean difference between the two samples being compared.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Statistics

    2 samples were collected to determine whether there was a difference between two weight loss methods targeting men. The average weight loss method is provided for the 2 samples along with the respective standard deviations. Is the …
  2. Statistics

    testing for the differences between means of 2 independent populations where the variances in each population r unknown, u must first perform the F-test for the difference between 2 variances. Which of the following is correct?
  3. statistics

    Question 1 Question 1 1. Question 1 text The head of the History Department wants to compare the averages of 2 different instructor’s to see if they differ. A sample of 15 students in Instructor A’s class has average …
  4. statistics

    The owner of a bottling company is considering buying a new bottling machine. He has been testing two different machines that are being considered. After collecting 300 samples from each machine over several weeks, he was able to conduct …
  5. bus stats

    Given the following information about a hypothesis test of the difference between two means based on independent random samples, what is the standard deviation of the difference between the two means?
  6. math check

    Find the 95% confidence interval for the difference between two means based on this information about two samples. Assume independent samples from normal populations. (Use conservative degrees of freedom.) (Give your answers correct …
  7. math

    Find the 95% confidence interval for the difference between two means based on this information about two samples. Assume independent samples from normal populations. (Use conservative degrees of freedom.) (Give your answers correct …
  8. Statistics

    Find the 99% confidence interval for the difference between two means based on this information about two samples. Assume independent samples from normal populations. (Use conservative degrees of freedom.) (Give your answers correct …
  9. Statistics

    Find the 99% confidence interval for the difference between two means based on this information about two samples. Assume independent samples from normal populations. (Use conservative degrees of freedom.) (Give your answers correct …
  10. Statistics

    State the null hypothesis, Ho, and the alternative hypothesis, Ha, that would be used to test these claims. < ¡Ü = ¡Ù ¡Ý > (a) There is an increase in the mean difference between posttest and pretest scores. Ho: ¦Ìd 0 …

More Similar Questions