In: Statistics and Probability
Answer these parts to Objective number A
2. What is the single most important advantage of the median as a measure of location?
A. not affected by extreme outliers
B. statistically efficient
C. don’t have to know all individual values in order to calculate it
D. always an observable value
E. more than one of the above
3. The Graco Distribution Center in Rogers MN has automated
storage/retrieval lanes for much of their inventory. An audit of
inventory is conducted weekly for inventory counts. The results for
a random sample of 8 inventory counts found the following number of
inventory discrepancies; 9, 67, 19, 8, 18, 8, 15, 8. Based on the
data, which measure of variability would you place most weight
on?
A. median
B. InterQuartile Range
C. standard deviation
D. range
E. coefficient of variation
4. The Graco Distribution Center in Rogers MN has automated
storage/retrieval lanes for much of their inventory. An audit of
inventory is conducted weekly for inventory counts. The results for
a random sample of 8 inventory counts found the following number of
inventory discrepancies; 9, 67, 19, 8, 18, 8, 15, 8.
Find the median.
A. 8
B. 12
C. 18
D. 37.5
E. none of the above
5. The Graco Distribution Center in Rogers MN has automated
storage/retrieval lanes for much of their inventory. An audit of
inventory is conducted weekly for inventory counts. The results for
a random sample of 8 inventory counts found the following number of
inventory discrepancies; 9, 67, 19, 8, 18, 8, 15, 8.
Find the standard deviation.
A. 18.00
B. 397.71
C. 24.50
D. 19.94
E. none of the above