MAIN TASK: ANSWER THE QUESTIONS BELOW, SHOWING ALL WORK!
SUBMIT TO DROPBOX SATURDAY BY 11:59PM
Chapter 1 Intro to Statistics
1) Give an Example of a Voluntary Response Study.
Voluntary response samples are things like mail-out surveys. The participants co
Technology Project Chapter 4
Simulations
Calculating probabilities can often be painfully difficult, but simulations provide us with a very
practical alternative to calculations based on formal rules. A simulation of a procedure is a
process that behaves
Technology Project Chapter 2
It was noted in this section that the days of charming and primitive hand-drawn graphs are well
behind us, and technology now provides us with powerful tools for generating a wide variety of
different graphs. The data sets in
STA322
Chapter 2 problem set
Page 51
1. No. For each class, the frequency tells you how many values fall within the given range of
values, but there is no way to determine the exact IQ scores represented in the class.
5. Class width: 10. Class midpoints 2
M AIN TASK: ANSWER THE PROBLEMS BELOW, SHOW YOU WORK!
DUE SATURDAY BY 11:59PM
Chapter 4 Probability
1) The probability of a certain or guaranteed event is
100%
2) The probability of an impossible event is
0
3) 6! =
720
4)
125 =
792
5) 12P5 =
95040
6) How
Week 3
Review exercises
1. A) 1559.6mm
B)1550.0mm
C) none
D) 1569.5mm
E)145mm
F)53.4mm
G)2849.3mm2
H)1538.0mm
I)1571.9mm Minitab yields Q 1 = 1517.5mm and Q5 =
1606.5mm
2. Z = 1.54 The eye height is not unusual its Z score is between 2 and -2 so it is wit
STA322
Week 3 Assignment
120 Points
1. Describe what type of data analysis would use linear correlation coefficients and line of best
fits. Describe the benefits of comparing to a line of best fit. (10 points)
2. Raw data is found in the excel file titled
Running head: MARKETING CONSULTANTS
1
MARKETING CONSULTANTS
Danielle Cooper
Independence University
Running head: MARKETING CONSULTANTS
2
Marketing consultants are highly skilled in understanding what motivates consumers,
how to target an audience, and wh
Regression
Christian Collins
STA322
8/13/2016
Brent Albrecht
1. Trend lines and regression data are used for linear correlation coefficients and lines of
best fits. The line of best fit shows whether two variables are correlated to one
another. Additional
Formulas
Christian Collins
STA322
7/30/2016
Brent Albrecht
1. I can use the data to find the central tendencies. The two categories that I chose to focus
on were the clients age and their satisfaction level. I can use the central tendencies to find
the mo
Misleading Graphs
Christian Collins
STA322
7/30/2016
Brent Albrecht
1. Graph A and Graph B basically depict the same data, just in two different ways. Whereas
Graph B leans more towards an exact number, whereas Graph A leans more towards
approximation to