(b) A study was conducted at a local college to analyze the trend of average GPA of all students graduated from th e college . According to the Registrar , the average GPA for students with economics major from the class of 2016 is 3.5 . The value 3.5 is a
(iii) cannot be determined
(c) The hotel ratings are usually on a scale from 0 star to 5 stars. The level of this measurement is
(d) 5 00 students took a chemistry test. You sampled 10 0 students to estimate the average score and the standard deviation. How many degrees of freedom were there in the estimation of the standard deviation?
(ii) 1 00
(iii) 4 99
(iv) 5 00
(e) You choose an alpha level of 0.0 1 and then analyze your data. What is the probability that you will make a Type I error given that the null hypothesis is true?
(i) 0.0 25
(ii) 0.0 5
(iii) 0.0 1
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