You are engineering a shipping operation for a major online retailer. Packages move on a conveyor belt. You have pulled 7 packages from the conveyor belt to weigh
The weights in pounds are as follows:
|
Weigh Pounds |
|
3.4 |
|
3.1 |
|
2.0 |
|
4.3 |
|
2.9 |
|
4.5 |
|
4.1 |
Is weight a continuous variable or attribute? _____ (variable or attribute)
What is the sample average (x-bar)? _____ (one decimal will work)
What is the range? _____ (one decimal will work)
If packages above 4 pounds are "too heavy", what proportion of these packages is "too heavy?" _____ (two decimals)
Structured with the "too heavy" comment and if you desire to measure the packages as "too heavy" or "okay", is this now a variable or attribute? _____ (variable or attribute)
Do you really have enough data to do much of an analysis? (yes or no) ______
1.Is weight a continuous variable or attribute? _____ (variable or attribute)
Answer -Variable
Variables are usually much more dynamic and are usually used for doing calculations.
2. What is the sample average (x-bar)?
=(3.4+3.1+2.0+4.3+2.9+4.5+4.1)/7
=3.5
3. What is the range?
Range = Maximum Value–Minimum Value
=4.5-2.0
=2.5
4.If packages above 4 pounds are "too heavy", what proportion of these packages is "too heavy?" _____ (two decimals)
Answer-Total number of packages=7
Number of packages above 4=3
Proportion = 3/7
= 0.42
= 42%
5.Structured with the "too heavy" comment and if you desire to measure the packages as "too heavy" or "okay", is this now a variable or attribute? _____ (variable or attribute)
Answer- Variable
Variables are usually much more dynamic and are usually used for doing calculations:
6.Do you really have enough data to do much of an analysis? (yes or no) ______
Answer=yes enough data.
We can calculate mean,mode, median,range, Weighted mean.,Harmonic mean.,Geometric mean.,Root-Mean Square mean.
You are engineering a shipping operation for a major online retailer. Packages move on a conveyor...