Question

1-which of the following in a statistical test represents the probability that the results were obtained...

1-which of the following in a statistical test represents the probability that the results were obtained by chance alone

select one

A- p-value

B- u-value

C-o-level

D- &-level

2- which of the following would be better tested by the paired t test

a- when meeting the assumptions is not a concern

b- when the pretest and posttest data come from the same person

c- when there is no concern for a normal distribution of variable

d- when the pretest and posttest data come from different sources

0 0
Add a comment Improve this question Transcribed image text
Answer #1

statistical test represents the probability that the results were obtained by chance alone.

Ans ; p-value

Q2:

Ans;

b- when the pretest and posttest data come from the same person

Add a comment
Know the answer?
Add Answer to:
1-which of the following in a statistical test represents the probability that the results were obtained...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • 5. Regarding decision making from the results of data analyses, if our obtained probability is then...

    5. Regarding decision making from the results of data analyses, if our obtained probability is then we can reject the which then supports the b greater than 05, null hypothesis, alterative hypothesis and that a true difference exists. below.10, null hypothesis, alternative hypothesis and that a true difference exists below.05, alternative hypothesis, null hypothesis and that a true difference exists below.05, null hypothesis, alternative hypothesis and that a true difference exists The essence of hypothesis testing is that we are...

  • You wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02. For the...

    You wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02. For the context of this problem, μd=PostTest−PreTestμd=PostTest-PreTest where the first data set represents a pre-test and the second data set represents a post-test. (Each row represents the pre and post test scores for an individual. Be careful when you enter your data and specify what your μ1μ1 and μ2μ2 are so that the differences are computed correctly.)       Ho:μd=0Ho:μd=0       Ha:μd≠0Ha:μd≠0 You believe the population of difference scores...

  • You wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02. For the...

    You wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02. For the context of this problem, μd=PostTest−PreTestμd=PostTest-PreTest where the first data set represents a pre-test and the second data set represents a post-test. (Each row represents the pre and post test scores for an individual. Be careful when you enter your data and specify what your μ1μ1 and μ2μ2 are so that the differences are computed correctly.)      Ho:μd=0 Ha:μd≠0 You believe the population of difference...

  • You wish to test the following claim (Ha) at a significance level of a = 0.001....

    You wish to test the following claim (Ha) at a significance level of a = 0.001. For the context of this problem, Md = PostTest - PreTest where the first data set represents a pre-test and the second data set represents a post-test. (Each row represents the pre and post test scores for an individual. Be careful when you enter your data and specify what your pi and M2 are so that the differences are computed correctly.) Hoid = 0...

  • only need 2-sample t-test for equal variance filled out 1. Create a table using the provided...

    only need 2-sample t-test for equal variance filled out 1. Create a table using the provided headings for the following tests. The comparison is what is being statistical tested. The other assumptions column should be any additional information needed to distinguish when that test is used as compared to the other tests in the table. (5 pts) Tests to include: 2-sample t-test for equal variance, 2-sample t-test for unequal variance, Mann-Whitney U-test, Z-test, Paired t-test, Wilcoxon Signed Rank Test, 1-Sample...

  • Suppose you want to test the claim the the paired sample data given below come from...

    Suppose you want to test the claim the the paired sample data given below come from a population for which the mean difference is μd=0. xy7866678183687180529154928286 Use a 0.01 significance level to find the following: (a) The mean value of the differnces d for the paired sample data d¯= (b) The standard deviation of the differences d for the paired sample data sd= (c) The t test statistic t= (d) The positive critical value t= (e) The negative critical value...

  • statistics help 7) Determine the decision criterion for rejecting the null hypothesis in the given hypothesis test ie, describe the values of the test statistic that would result in rejection of t...

    statistics help 7) Determine the decision criterion for rejecting the null hypothesis in the given hypothesis test ie, describe the values of the test statistic that would result in rejection of the null hypothesis Suppose you wish to test the claim that the mean value of the differences d for a population of paired data, is greater than 0. Given a sample of n-15 and a significance level of a-001, what criterion would be used for rejecting the null hypothesis...

  • You wish to test the following claim (H a) at a significance level of α = 0.002.

    You wish to test the following claim (HaHa) at a significance level of α=0.002α=0.002. For the context of this problem, μd=PostTest−PreTestμd=PostTest-PreTest one data set represents a pre-test and the other data set represents a post-test. Each row represents the pre and post test scores for an individual.      Ho:μd=0Ho:μd=0      Ha:μd≠0Ha:μd≠0You believe the population of difference scores is normally distributed, but you do not know the standard deviation. You obtain the following sample of data:pre-testpost-test35.351.225.419.861.467.82617.99.8-1.745.742.543.342.64567.74137.442.324.335.7-7.135.313.53018.55451.359.23639.745.527.123.5What is the test statistic for this sample?test statistic =  (Report answer accurate to...

  • For the following experiment/question, pick the most appropriate statistical test. You have the following statistical tests...

    For the following experiment/question, pick the most appropriate statistical test. You have the following statistical tests as choices: some may be used more than once, others not at all.  Assume homogeneity of variance (where applicable) and the validity of parametric tests (where applicable), unless something is directly stated (e.g., “the data are not at all normal”) or otherwise indicated (viz., by the inspection of the data) which would indicate a strong and obvious violation of an assumption. This means you must...

  • 1. Which of the following will increase the value of the power in a statistical test...

    1. Which of the following will increase the value of the power in a statistical test of hypotheses? (a) Increase the Type II error probability. (b) Increase the sample size. (c) Reject the null hypothesis only if the P-value is smaller than the level of significance. (d) All of the above 2. A significance test gives a P-value of 0.023. This means that the result is statistically significant at (a) both the 0.01 and the 0.05 levels. (b) neither the...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT