Exam K-300 April 3, 2018 Select the best single answer to multiple choice questi

Question

Exam K-300 April 3, 2018 Select the best single answer to multiple choice questions, fill in the blank directed. Questions 1-20 are worth either 1 5 or 3 points as marked, for a t Three (3) point questions require some type of a solution as otal of 40 polnts indicated n this exam, the symbol "o "or sigma represents the population standard deviation and" sample standard deviation. Similarly,-O-represents alpha. able 1. All of the following assumptions are necessary conditions for the use of the " except: e. Z values are selected based on degrees of freedom d. Any data collected were done so using "random" sampling The maximum probability of a Type I error in hypothesis testing is denoted by what symbol? 2. The term 40(0) describes, or is named, the 3. - - - 4. What value(s) of Z would be used in the confidence interval shown below? 90% Find the "t" value for a left tailed test with 20 samples where ?-001. a. 2.839 b. 1.328 C. -2.528 d. -2.539 5.

Explanation / Answer

1) option C is correct

2)option C (alpha)

3) margin of error

4)crtiical value of z for 90% Ci = -/+ 1.645

5)-2.539

optionD

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