For parts (a) through (d) below, would you expect the distributions of these var
ID: 3049397 • Letter: F
Question
For parts (a) through (d) below, would you expect the distributions of these variables to be uniform, unimodal, or bimodal? Symmetric or skewed? Explain why.
(a) Ages of shoppers in a convenience store near a university late Saturday night
A.
The most likely distribution is a right skewed unimodal distribution with a peak at 22.
B.
The most likely distribution is symmetric and bimodal with peaks at 18 and 22.
C.
The most likely distribution is uniform from about 18 to 22.
D.
The most likely distribution is a symmetric unimodal distribution centered at 20.
(b) Number of children of shoppers in a toy store
A.
The most likely distribution is a right skewed unimodal distribution with some shoppers at 0 children, but some shoppers having a large number of children.
B.
The most likely distribution is symmetric and bimodal with peaks at 0 and 2 children.
C.
The most likely distribution is a left skewed unimodal distribution with some shoppers at 0 children, but some shoppers having a large number of children.
D.
The most likely distribution is a uniform distribution with some shoppers at 0 children, but some shoppers having a large number of children.
(c) Amount of cash taken in by retail cashiers during a two-hour shift
A.
The most likely distribution is a unimodal, left skewed distribution with a center near the typical level of business.
B.
The most likely distribution is a uniform distribution with a center near $0.
C.
The most likely distribution is a uniform distribution with a center near the typical level of business.
D.
The most likely distribution is a unimodal, symmetric or slightly right skewed distribution with a center near the typical level of business.
(d) Number of packages processed by a shipping company during August and the four weeks before Christmas
A.
The most likely distribution is a symmetric unimodal distribution.
B.
The most likely distribution is bimodal with one peak in each time frame.
C.
The most likely distribution is uniform within each time frame.
D.
The most likely distribution is unimodal and left skewed.
Explanation / Answer
a) ans-> C.The most likely distribution is uniform from about 18 to 22.
b)ans-> A. The most likely distribution is a right skewed unimodal distribution with some shoppers at 0 children, but some shoppers having a large number of children.
c) ans-> C.The most likely distribution is a uniform distribution with a center near the typical level of business.
d) ans-> D.The most likely distribution is unimodal and left skewed.
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.