ANSWER THE FOLLOWING 1.) I am thinking collecting zip codes from all of my stude
ID: 3225566 • Letter: A
Question
ANSWER THE FOLLOWING
1.) I am thinking collecting zip codes from all of my students. Which of these measures can be used meaningfully with this data?
Select one:
Select one:
a. median
b. mean
c. mode
d. standard deviation
2.)When the value of is increased, the probability of committing a type one error is:
Select one:
a. increased
b. stays the same
c. decreased
d. can't tell without knowing the sample size.
3.)If someone had developed a simple early screening test for the Ebola disease to identify who was might develop the disease, which type of error would be most important to minimize?
Select one:
a. neither is important
b. Both should be minimized
c. Type 1
d. type 2
4.)To reduce the margin of error, assuming you changed nothing else, you could:
Select one:
a. reduce sample size
b. Increase confidence level
c. Increase sample size
d. Increase confidence Interval
5.)To gain recognition in a professional organization, you have to score higher than 75% of the people taking an exam. The mean of the exam is 200 and the standard deviation of the scores is 25. What Excel Function would you use to find the cutoff score on the exam?
Select one:
a. Norm.Dist
b. Norm.S.Inv
c. Norm.Inv
d. Standardize
6.)Which of these is not a legitimate correlation?
Select one:
Select one:
a. 0
b. .99
c. -.37
d. 1.21
Explanation / Answer
Q-1
Part-c
Q-2
Part-a
Q-3
Part-c
Q-4
Part-c
Q-5
Part-c
Q-6
Part-d , as correlaiton can not be >1