Tiarra Dyer
MAT201
Module 4 Case 1
1. Choose one design method from the list below. Using your example, make a list of 2 or 3
advantages and 2 or 3 disadvantages for using the method. (2 pts)
Simple random sampling
There is an equal chance of selecting ea
Tiarra Dyer
MAT201
CASE 1
1. The final exam scores listed below are from one section of MATH 200. How many scores were
within one standard deviation of the mean? How many scores were within two standard
deviations of the mean?
99 34 86 57 73 85 91 93 46 9
Tiarra Dyer
MAT201
Module 4 SLP
Previous Calculation
Day 1
2 3 4 5 6 7 8 9 10
Min 32 60 54 69 42 0 0 3 53 68
41.1 MEAN
Variance is 233.3
Standard deviation is 15.26
New Data
Day 1 2 3 4 5
56 78 55 46 94
Recalculate the mean, standard deviation, and varian
Trident University International
Mean, Median and Mode
Mat201 Module 2 Case 2
Carlos Salinas
12/03/16
1. Describe the measures of central tendency. Under what condition each one should be
used?
A measure of central tendency is a single value that attempts
Trident University International
Drivetime
Mat201 Module 1 SLP 1
Carlos Salinas
11/20/16
Based on a 10 day experiment I am going to collect and track data in one category, the
amount of time I drive each day. Probability is simply how likely something is
Trident University International
ODDS
Mat201 Module 1 Case 1
Carlos Salinas
11/20/16
1. In a poll, respondents were asked if they have traveled to Europe. 68 respondents
indicated that they have traveled to Europe and 124 respondents said that they have
n
Module 2
Case Assignment
1. Which of the two sets are equivalent?
a) A = cfw_a, c, b B = cfw_a, b, c
b) A = cfw_a, b, c B = cfw_a, c, d
c) A = cfw_a, b, c, a, b, c B = cfw_a, b, c
2. Given the following set S = cfw_1, 2, 3, 4
a) Show at least four subsets
Michael Grooms
MA T20 1- Basic Statistics
Module 2-CS
May 22,2016
1. Describe the measures of central tendency. Under what condition( s) should
each one be used?
Answer: A measure of central tendency is a measure that tells us where
the middle of a bunch
Michael Grooms
MAT201-Basic Statistics
Module 2-SLP
May 22, 2016
Looking back at my Module 1 SLP, I re-examined my daily activities and decided to
change my topic. As we are well under way with school, I wanted to address something that is
important to us
Michael Grooms
MAT 201-Basic Statistics
Module 5 CS
June 26, 2016
1. Explain Type I and Type II errors. Use an example if needed.
Answer
Type I error, also known as an "error of the first kind", an error, or a "false positive": the error
of rejecting a nu
Michael Grooms
MAT201-Basic Statistics
Module 3 CS
June 5, 2016
1. The math grades on the final exam varied greatly. Using the scores below, how many
scores were within one standard deviation of the mean? How many scores were within
two standard deviation
Michael Grooms
MAT201-Basic Statistics
Module 3 SLP
Jun 5, 2016
Include your data from Module 1.
Create a frequency distribution table for your data. You can use Excel or Word.
DATA
57
61
68
80
84
86
95
98
100
Frequency
1
1
1
1
1
2
1
1
1
Calculate the sta
Michael Grooms
MAT201- Basic Statistics
Module 2-CS
May 22, 2016
1. Describe the measures of central tendency. Under what condition(s) should
each one be used?
Answer: A measure of central tendency is a measure that tells us where
the middle of a bunch of
Michael Grooms
MAT-201-Basic Statistics
Module 1-CS
May 15, 2016
1.
In a poll, respondents were asked if they have traveled to Europe. 68
respondents indicated that they have traveled to Europe and 124 respondents said that
they have not traveled to Europ
Michael Grooms
MAT201-Basic Statistics
Module 4 CS
June 12, 2016
1. Define the following terms in your own words.
a. Population: The entire set of items, people or events that we would like to
characterize.
b. Sample: A subset of the population that is a
Michael Grooms
MAT201- Basic Statistics
Module 5 SLP
June 26, 2016
An independent variable, sometimes called an experimental or predictor variable, is a variable
that is being manipulated in an experiment in order to observe the effect on a dependent vari
Michael Grooms
MAT-201-Basic Statistics
Module 1-SLP
May 15, 2016
Introduction
In statistics, there are many concepts we are learning with respect to the Introduction to
Probability, to include probability theory, independent and dependent variables, and
Michael Grooms
MAT201-Basic Statistics
Module 2-SLP
May 22, 2016
Looking back at my Module 1 SLP, I re-examined my daily activities and decided to
change my topic. As we are well under way with school, I wanted to address something that is
important to us
Michael Grooms
MAT201-Basic Statistics
Module 4 SLP
June 12, 2016
Recalculate the mean, standard deviation, and variance.
Previous Mean: (57+61+68+80+84+86+86+95+98+100)/10=815/10=81.5 Mean= 82
Current Mean: (57+61+68+73+80+82+84+86+86+86+90+95+98+100)/14
Module 2
SLP Assignment
1. Let A = cfw_1, 2, 3, 4, 5 and B = cfw_0, 3, 6. Find:
a) A B = cfw_0, 1, 2, 3, 4, 5, 6
b) A B = cfw_3
c) A B = cfw_1, 2, 3, 4, 5 cfw_0, 3, 6 = cfw_3
d) B A = cfw_0, 3, 6 - cfw_1, 2, 3, 4, 5 = cfw_0, 6
e) Are A and B disjoint sets
PROBABILITY
Mathematical Probability
Daniel P. Jeffreys
Math 201 Basic Statistics Case 3
Trident University International
PROBABILITY
1. With the given information below we can calculate the standard
deviation. With that information we can figure out how
PROBABILITY
Mathematical Probability
Daniel P. Jeffreys
Math 201 Basic Statistics Case 5
Trident University International
PROBABILITY
1. Type I and Type II errors.
a. Type I is an error that causes the null hypothesis to be rejected even if it
is true. Us
WORKOUT
Workout Spread
Daniel P. Jeffreys
Math 201 Basic Statistics SLP 3
Trident University International
WORKOUT
After ten days we have all our data. We have calculated our various averages and
central tendencies. It is now time to calculate the varianc
WORKOUT
Workout Spread
Daniel P. Jeffreys
Math 201 Basic Statistics SLP 4
Trident University International
WORKOUT
In order to see the accuracy of our original data collection we began collecting
data for another 10 days. We will combine our data to incre
WORKOUT
Workout Probability
Daniel P. Jeffreys
Math 201 Basic Statistics SLP 2
Trident University International
WORKOUT
By collecting and calculating the data from the past ten days we can determine the
average time spent at the gym. With the information
PROBABILITY
Mathematical Probability
Daniel P. Jeffreys
Math 201 Basic Statistics SLP 1
Trident University International
PROBABILITY
1. The measures of central tendency are mean, mode, and median. Mean is just the
average of all the data points. This is a
WORKOUT
Workout Probability
Daniel P. Jeffreys
Math 201 Basic Statistics SLP 1
Trident University International
WORKOUT
Being in the military physical fitness is an important aspect of everyday life. In
order to predict the probability of how long I will
PROBABILITY
Sampling
Daniel P. Jeffreys
Math 201 Basic Statistics Case 4
Trident University International
PROBABILITY
1. Definitions
a. Population The total number of data points that could be used to
calculate various statistics from, larger populations