Question

Asked Nov 18, 2019

51 views

A study was conducted to test the effect of self imagery on social anxiety. Participants in the study rehearsed a negative self image or a positive self image prior to giving a speech. The researchers found that the negative image group felt more anxious than the positive image group. Assuming social anxiety was measured on an interval scale and that the scores were normally distributed what statistical test would be more appropriate for testing the research hypothesis?Explain your answer

1 Rating

Step 1

**Introduction:**

If the population standard deviation is unknown so that the sample standard deviation has to be used, the sample...

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: determine whether the outcome is a type i error, a type ii error, or a correct decision . a test is ...

A: Type I error (α):The Type I error is committed, if the null hypothesis is rejected, when it might ac...

Q: Suppose that the number of Facebook friends users have is normally distributed with a mean of 117 an...

A: 1.In this context, it is given that the mean number of Facebook friend’s users is 117 corresponding ...

Q: The scores on a standardized test are normally distributed with a mean of 95 and standard deviation ...

A: Standard normal distribution:The standard normal distribution is a special case of normal distributi...

Q: Assume that a sample is used to estimate a population mean μμ. Find the margin of error M.E. that co...

A: From the given information, the sample size is 21, the sample mean is 62.9, the sample standard devi...

Q: the following display from a TI-84 Plus calculator presents the results of a hypothesis test for a p...

A: From the display from a TI-84 Plus calculator,Prop>0.29 is the alternative hypothesis.Z=–1.25 is ...

Q: The symbol μ¯xμx¯ represents the mean of a sample of size n. True False

A: The given statement is TRUE. Because, the symbol µx-bar represents the mean of a sample size, n

Q: See picture for question.

A: The provided data is:

Q: Null and alternative hypotheses for a test are given below. Give the notation (x¯, for example) for ...

A: It is given that the null and alternative hypotheses are:

Q: Suppose that the number of Facebook friends users have is normally distributed with a mean of 128 an...

A: (b)The conditions for the t-distribution is appropriate as given below:If the sample size is larger ...