Answer:
The median value is better because it is not affected by the skewness of the data
Step-by-step explanation:
The median is better in representing the data of a stem and leaf plot because the median value is not affected so much by outliers and skewness of the data. for example: for a downward skewed stem and leaf plot the value of the median is greater than the mean value
Hence the median value is a better representation of the central tendency
Answer:
A. 
B. 
and
D. 
Step-by-step explanation:
A rational function is of the form 
where
and 
are polynomial functions.
Based on this definition, every polynomial function is a rational function.
Hence the rational functions in the options provided are;
A.
B.
and
D.
is not a rational function because the numerator is not a polynomial function.
Answer:
Step-by-step explanation:
b 2,5
Answer:
The correct answer is:
Nonresponse bias (C.)
Step-by-step explanation:
Nonresponse bias in sampling is one that arises due to the unwillingness or inability of subjects in a population to participate in a survey.
Answer:
30 mph
Step-by-step explanation:
train stopped after 520 miles
780 miles to go
stopped at 20 hours
stopped for 4 hours
34 hours used up...
26 hours left
780 miles to go
780 miles/26 hrs = 30 m/hr
