RES341 Week 5 test TRUE-FALSE T F 1. Roman lettersusually represent population p
ID: 2916042 • Letter: R
Question
RES341 Week 5 test
TRUE-FALSE
T F 1. Roman lettersusually represent population parameters,whereas
Greek letters usually represent statistics
T F 2. The most common measure ofthe center value of a set of data is the
sample mean.
T F 3. The sample mean iscalculated by adding up all the values in the
sample and then dividing the sum by the square root ofthe sample
size.
T F 4. The sample mean not onlymeasures the central value of the sample
data, it also indicates the number of observations that are aboveit
and below it.
T F 5. The more symmetric thedistribution is the more the mean and
median will be equal to each other.
T F 6. The square root of thesample variance is the sample standard
deviation, which possesses the same units as the original data.
Explanation / Answer
1. F. Statistics are not usually represented by Greek letters. 2. T 3. F 4. F 5. T 6. T 7. T
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