An instructor of statistics believes that the mean score of students on the first statistics test is 65 out of 100 marks. He randomly samples 10 statistics student scores and obtains the average...

Extracted text: An instructor of statistics believes that the mean score of students on the first statistics test is 65 out of 100 marks. He randomly samples 10 statistics student scores and obtains the average scores as 63 with a standard deviation of 5.01. He performs a hypothesis test to know whether the mean score of students is varied from 65 by using a 5% level of significance. a. Which of the following statistical tests is most appropriate in this scenario? Two-Tailed Z-Test One-Tailed Z-Test Two-Tailed T-Test One-Tailed T-Test


Extracted text: b. What are the appropriate hypotheses for the test? Ho : µ = 65 H1 :µ< 65="" ho="" :="" µ="65" h="" :µ#="" 65="" o="" họ="" :="" µ="65" h1="" :="" µ=""> 65 O Ho : µ = 65 H1 : µ = 63