SOLUTION: 2.In a negatively skewed distribution, Alisha scored the mean, Ken scored the median, and Catherine scored the mode. Who had the highest score?
Answer
a Alisha
b Ken
c Cathe
Algebra.Com
Question 647461: 2.In a negatively skewed distribution, Alisha scored the mean, Ken scored the median, and Catherine scored the mode. Who had the highest score?
Answer
a Alisha
b Ken
c Catherine
d All three scored approximately the same
3.In a normal distribution, Alisha scored the mean, Ken scored the median, and Catherine scored the mode. Who had the lowest score?
select an answer
a Alisha
b Ken
c Catherine
d All three scored approximately the same
7.A medical association randomly selected 10 trauma surgeons and 10 medical researchers and asked them how flexible their schedule is on a 1 (not at all flexible) to 9 (very flexible) scale. The data are summarized below:
Trauma surgeons
mean 2
variance 1
Medical researchers
mean 7
variance 3
Select the statement that accurately reflects these results:
select an answer
a. All medical professionals have similar levels of flexibility in their schedules.
b. Trauma surgeons have more flexibility than medical researchers.
c. Medical researchers agree more with each other about their level of flexibility than trauma surgeons.
d. Trauma surgeons agree more with each other about their level of flexibility than medical researchers.
c. none of the above
8. A sample of data has a standard deviation of 10. If you were to multiply all of the scores in the data set by factor of nine (9), what would the new standard deviation be?
select an answer
a 5
b 10
c 30
d 90
e 10
9. Select the statement that is false.
Answer
a. Given a raw score, its z-score is the number of standard deviations above or below the mean.
b. The variance for a set of data can be a negative value.
c. A normal curve with mean 0 and standard deviation 10 has a greater spread of scores than a normal curve with mean 0 and standard deviation 1.
d. The standard deviation for a set of data
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
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