6. A researcher hypothesizes that individuals who listen to classical music will score differently from the general population on a test of spatial ability. On a standardized test of spatial ability, m 558. A random sample of 14 individuals who listen to classical music is given the same test. Their scores on the test are 52,59,63,65,58,55,62,63,53,59,57,61,60,59.a. Is this a one-or two -tailed test? b. What are H0 and Ha for this study? c. Compute tobt. d. What is the zcv? e. Should H0 be rejected? What should the the researcher conclude? f. Determine the 95% confidence interval for the population mean, based on the sample mean.
6. A researcher hypothesizes that individuals who listen to classical music will score differently from the general population on a test of spatial ability. On a standardized test of spatial ability, m 558. A random sample of 14 individuals who listen to classical music is given the same test. Their scores on the test are 52,59,63,65,58,55,62,63,53,59,57,61,60,59.a. Is this a one-or two -tailed test? b. What are H0 and Ha for this study? c. Compute tobt. d. What is the zcv? e. Should H0 be rejected? What should the the researcher conclude? f. Determine the 95% confidence interval for the population mean, based on the sample mean.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 13PT
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6. A researcher hypothesizes that individuals who listen to classical music will score differently from the general population on a test of spatial ability. On a standardized test of spatial ability, m 558. A random sample of 14 individuals who listen to classical music is given the same test. Their scores on the test are 52,59,63,65,58,55,62,63,53,59,57,61,60,59.
a. Is this a one-or two -tailed test?
b. What are H0 and Ha for this study?
c. Compute tobt.
d. What is the zcv?
e. Should H0 be rejected? What should the the researcher conclude?
f. Determine the 95% confidence interval for the population mean, based on the sample mean.
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