Part III: Chapter 3: Descriptive Statistics
Task 1: Fill in the following chart concerning the measures of center for the variables:
Variable
Career
Sector
Best Measure of Center
Mode
Mode
Explain Why
It is Nominal Data
It is Nominal Data
Education Requir
Part VI: Chapter 6: Probabilities for Normal Distributions
Makaley Black
Task 1: Open the data set and select and copy the data for the Media sector. Clear the data editor then paste
in the Media data. Remember to save this unique data set to your H drive
Part II: Chapter 2: Summarizing and Graphing Data
Task 1: Prepare a frequency distribution for the median salary for all the occupations considered. Use a
starting point of 0 and determine what class width will give you 14-15 classes. This class width is
HW 6d
MATH 1530
NAME: Makaley Black
ONLINE STATBOOK CALCULATOR
Complete credit includes the following:
Fill in Probability statement.
Show all conversion formulas and calculations to z scores.
Use http:/onlinestatbook.com/2/calculators/normal_dist.html to
Part VI: Chapter 6: Probabilities for Normal Distributions
Task 1: Open the full data set and sort by year of occurrence. Select the events occurring in
the year 2000 and copy this data. Now clear the editor and paste the 2000 data back onto the
editor. S
Part IV: Chapter 4: Relative Frequency Probability Estimates
Task 1: Use the data set to estimate the following probabilities.
What is the probability of selecting a female who died if you choose one case at
random from the data?
P(female death) = 254/ 33
Part VII: Chapter 7: Confidence Intervals
For the purposes of confidence intervals, we will consider the data from 2014 only. Open the
data set for 2014 in Statdisk. We assume that not all of the police involved deaths have been
reported, so we will consi
Part VIII: Chapter 8: Hypothesis Tests
Task 1: In Part IV, you found that the percentage of African-American deaths in the database
was 33.2%. Examine the claim that the percent of African-Americans who died in policeinvolved events is greater than 12.6%
Part III: Chapter 3: Descriptive Statistics
Task 1: Fill in the following chart concerning the measures of center for the variables:
Variable
Age
Best Measure of Center
The median is the best
measure of center.
Gender
The mode is the best
measure of cente
Part IX: Chapter 10: Linear Regression Relationships
Task 1: In Part II, you created a scatterplot of Year vs. Number of Police-involved Deaths which looked
like this:
That scatterplot was based on the data table below:
Year
2000
2001
2002
2003
2004
2005
Part II: Chapter 2: Summarizing and Graphing Data
Task 1: Prepare a frequency distribution for the age data for the 3340 incidents where the age
of the deceased was recorded. To do this, you will need to sort your data by age (column 1).
Use a starting po
Part IV: Chapter 4: Relative Frequency Probability Estimates
Task 1: Use the data set to estimate the following probabilities.
What is the probability of selecting a female who died if you choose one case at
random from the data?
P(female death) = 254/ 33
Part I: Data Exploration
Import the dataset provided on D2L using StatDisk. The data includes over 3000
reported incidents where a civilian death occurred and police were involved in some
way. There are many types of events recorded here including, but no
StatDisk Assignment Chapter 1
Instructions:
Read Chapter 1 in the textbook and complete the assigned exercises on www.MyStatLab.com
before attempting this assignment.
Type your responses to each exercise by pressing RETURN at the end of the line. Make s
StatDisk Lab Chapter 4
Instructions: Type your responses to each exercise by pressing RETURN at the end of the line.
Make sure to use a different colored font, so that I can quickly identify your answers.
Save as a Word document only (no other file format
StatDisk Lab Chapter 3
Instructions:
Read Chapter 3 in the textbook and complete the assigned exercises on www.MyStatLab.com
before attempting this assignment.
Type your responses to each exercise by pressing RETURN at the end of the line. Make sure to
Part II: Chapter 2: Summarizing and Graphing Data
Task 1: Prepare a frequency distribution for the percent of high school completion for the
counties in Appalachia. Use a starting point of 50.0 and determine what class width will give
you 5 classes. This
Part IX: Chapter 10: Linear Regression Relationships
Task 1:
Create a scatterplot for percent of population with a Bachelors degree or higher
versus per capita income. Insert that scatterplot here then perform a linear regression
test on the data. * Be su
Part II: Chapter 2: Summarizing and Graphing Data
Task 1: Prepare a frequency distribution for the percent of high school completion for the
counties in Appalachia. Use a starting point of 50.0 and determine what class width will give
you 5 classes. This
Part III: Chapter 3: Descriptive Statistics
Task 1: Fill in the following chart concerning the measures of center for the variables:
Variable
Economic Ranking
Best Measure of Center
Mode
Completion of High School
Mean
Explain Why
The rankings are not in
n
TEST 1 REVIEW (CHAPTER 1-3)
1. I am interested in knowing whether my neighbors would like to create a
garden club for our town. I decide to create a questionnaire, take it down to
our local grocery and ask people to complete it. The possible responses are
Test 2 review:
Chapter 4-5
1. You have the following M&Ms in a bag: 5 yellow, 13 blue, 2 green, 7 brown and 3 red. Find the
probabilities:
The probability of drawing out a red candy, P(red):
P(red) = 3/30 = .10
P(not brown):
P(not brown) = 1 P(brown) =
CHAPTER 7
CHAPTER 7
Name: _key_
MATH1530WWW
_ out of 10
1. A local college is conducting a study of several characteristics of its student body. A sample of
100 students is taken. The study finds that 14 of these students smoke.
a. Find the point estimate
CHAPTER 4
CHAPTER 4
Name:_KEY_
MATH1530WWW _ out of 10
1. Suppose a study of speeding violations and drivers who use cell phones while driving
produced the following data:
Speeding violation in the last No speeding violation in the last
year
year
Using a
CHAPTER 5
CHAPTER 5
Name:_KEY_
MATH1530WWW
_ out of 10
1. Check whether each table describes a probability distribution. If yes, find mean and
standard deviation for the distribution.
a.
Not a probability distribution.
x
0
1
2
3
Negative probabilities and
CHAPTER 6
CHAPTER 6
Name:_KEY_
MATH1530 _ out of 10
1. The readings on the scientific thermometers are normally distributed with a mean of
0 C and a standard deviation of 1 C. This is an example of the standard normal
distribution. Use Table A-2 or TI83/8
CHAPTER 8
Chapter 8
Name:_KEY_
MATH1530
_ out of 10
1. Express the claim, the null hypothesis and alternative hypothesis in symbolic form. Use the
correct symbol (p, , ) for the indicated parameter. Identify the type of test (two-tailed, lefttailed, right