Week 2 Question: What is the difference among nominal, ordinal, interval and ratio level of measurement? How
many ways can data be collected? What are key elements of a well-designed experiment?
Nomin
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HWB-5
1. The values of a probability density function are never negative for any value of the random
variable and the area under the graph of a probability density function is 1.
2. Standard Deviation
HWB 3
1. False
2. Negative linear correlation
3.
4. -0.417
5. Negative linear correlation
6. Prediction values are only meaningful for x values in the range of the data.
7. (
x , y
)
8. y = 900.959 +
HWB2
1.
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True
True
Symmetric
B
Mean 200.4 Median 219 Mode there is no mode because no 2 entries have been repeated
Me
Statistics (MATH141), Extra Credit: 1
Name: Carlos Baudett
Instructions Please answer all questions. You must show your work to get partial credit. This
extra credit assignment is worth 10 points.
25
STATISTICS DISCUSSION BOARD QUESTIONS/ANSWERS
MATH 141
Weeks 6, 7 and 8
Week 6 Question: What is the difference between independent events and mutually exclusive events?
Independentevents,inregardstoS
STATISTICS DISCUSSION BOARD QUESTIONS/ANSWERS
Weeks 4 and 5
MATH 141
Week 4 Question:
What is mean? Median? Mode? What role do mean and standard
deviation play?
The mean is the average of all the numb
Week9Question:Whatisanormaldistribution?Howcanyoufindareaunderanormalcurveto
theleftofagivenvalue?Totheright?Betweentwovalues?
A normal distribution is a bell curve.
50% of the values will be less tha
Week 3 Question: What is a frequency distribution? What is the difference between Histogram and Pareto
chart?
Frequency distribution is when you have a table (or a graph) that displays the
information
Week 1 Question: Why do you study Statistics? Can you give some real-life examples in which Statistics is
used? Can you give some examples involving population, sample, parameter and statistic?
Statis
Tiffany Carr
Boyd
THP #4
November 4, 2014
Social Thinking
People deal with social situations in everyday life and people will always react differently
to social situations that they become involved in