QUESTION 5 "The results of a single sample t-test are reported as follows in a scientific report: t(38)-3.13, p <.05. Based on this information, which statement below is not correct?" The sample size was n-39. The conclusion reached by the researcher was to reject the null hypothesis. The sample mean was greater than the hypothesized population mean. The probability of a Type I error is less than 5%.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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**Question 5:**

"The results of a single sample t-test are reported as follows in a scientific report: t(38) = 3.13, p < .05. Based on this information, which statement below is not correct?"

- The sample size was n = 39.
- The conclusion reached by the researcher was to reject the null hypothesis.
- The sample mean was greater than the hypothesized population mean.
- The probability of a Type I error is less than 5%.

**Question 6:**

"A student believes they have stumbled upon a new unique way to study, and believes it will boost her test scores. She has a small group of her friends use the method before taking a standardized test and she plans to compare those scores to the national average. Which of the following hypothesis tests would be most appropriate given this scenario?"

- single-sample t-test
- independent sample t-test
- dependent sample t-test
- z-test
Transcribed Image Text:**Question 5:** "The results of a single sample t-test are reported as follows in a scientific report: t(38) = 3.13, p < .05. Based on this information, which statement below is not correct?" - The sample size was n = 39. - The conclusion reached by the researcher was to reject the null hypothesis. - The sample mean was greater than the hypothesized population mean. - The probability of a Type I error is less than 5%. **Question 6:** "A student believes they have stumbled upon a new unique way to study, and believes it will boost her test scores. She has a small group of her friends use the method before taking a standardized test and she plans to compare those scores to the national average. Which of the following hypothesis tests would be most appropriate given this scenario?" - single-sample t-test - independent sample t-test - dependent sample t-test - z-test
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