1. Find an example of (a) an effective use of a graphical display to communicate, and (b) an ineffective
example of a graphical display. Comment on each.
The following is an effective use of a graph c
1.
What are the differences and why are there differences?
The primary difference between the Empirical Rule and Chebyshev's Theorem can be found
by the type of data being examined. The Empirical rule
Comment on the possibilities of "lying" with or manipulating statistics by using very small,
very large, or non-random samples.
It is possible to manipulate statistics by using sample sizes that are e
1. If it's assumed the area represented by these yellow pages is at least 500,000, do you think
that the number of bakeries (12) sampled in our case study was large enough to be valuable
in planning t
Majestie Robinson
10/15/16
Chapter 6
1. Z score =0.35 percentage= 13.683
Answer: 13.68
2.
mean =25.7
SD=5.2
Raw scores= a)21.6 b) 28.9 c) 24.5
Z scores=?
Answer: a=0.79, b=0.62, c= 0.23
3. A) 21.4
BINOMIAL DISTRIBUTION
Parameters
Number of Trials, n
=
Success Probability, p
=
Characteristics
Mean, E(X)
=
E(X)
=
E(X)-(E(X)
=
Median
=
Mode
=
Skewwness
=
Excess Kurtosis
=
1465
0.2
Probability Calc
1. What is the difference between saying that you should get "heads" about half the time when flipping a "fair" coin and the actual probability of getting 10 heads in 20 flips?
The difference is stagg
Week One Homework Assignment
QUESTION 1
A total of 1,300 students have completed the MAT 103 course during the past ten years
A random sample consisting of 25 students who completed the course during