Syllabus
Statistics for Behavioral and Social Sciences I
1171-FIU01-STA-2122-SECUHB-10701
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General Information
Professor Information
Instructor:
Florence George
Phone:
Office:
Of
Number
Word
1
Four
2
score
3
and
4
seven
5
years
6
ago
7
our
8
fathers
9
brought
10
forth
11
on
12
this
13
continent
14
a
15
new
16
nation
17
conceived
18
in
19
Liberty
20
and
21
dedicated
22
to
23
the
24
proposition
25
that
26
all
27
men
28
are
29
create
STA 2023 Activity 2: How Healthy is Starbucks Food?
Calories, fat, carbohydrates, fiber, and protein are five usually seen indices of nutrition among many others. In the
dataset Starbucks Data, you can find the calories, fat (g), carbohydrates (g), Fiber
STA 2023 Activity 4: How fast is Google?
According to an article from Googles official blog, Google is fast a typical search returns results in
less than 0.2 seconds. (Source: http:/googleblog.blogspot.com/2009/01/powering-googlesearch.html) But based exp
Now use StatCrunch to randomly generate 15 integers between 1 and 268 and use these
to select a Simple Random Sample of 10 words. Record these below.
Simple Random Sample
Words #
Word
Word Length
264
Not
3
50
So
2
37
Great
5
120
Brave
5
132
Above
5
148
Wh
CHAPTER 1 Statistics, Data & Thinking
Statistics: science of data (Descriptive or Inferential) - Experimental unit Object upon which we collect
data Population All items of interest Variable Characteristic of an individual
STA 2122 Lab
Assignment 8
What do I know already? (Do not look up the answers to these questions. The
purpose is to assess your current level of knowledge on these topics.)
A. The variable below (X) is a continuous random variable. Are the two probabiliti
STA 2122 Lab
Assignment 2
What do I know already? (Do not look up the answers to these questions. The
purpose is to assess your current level of knowledge on these topics.)
A. Among the three measures of the center we studied (mean, median, and mode),
whi
STA 2122 Lab
Assignment 5
What do I know already? (Do not look up the answers to these questions. The
purpose is to assess your current level of knowledge on these topics.)
A. What is the maximum value possible for any probability (expressed as a decimal)
STA 2122 Lab
Assignment 11
What do I know already? (Do not look up the answers to these questions. The
purpose is to assess your current level of knowledge on these topics.)
A. What does the standard error for the sample proportion tell us?
_
_
_
_
B. A p
STA 2122 Lab
Assignment 12
What do I know already? (Do not look up the answers to these questions. The
purpose is to assess your current level of knowledge on these topics.)
A. Fill in the missing boxes below with the following possible outcomes for a hyp
STA 2122 Lab
Assignment 1
What do I know already? (Do not look up the answers to these questions. The
purpose is to assess your current level of knowledge on these topics.)
A. Researchers could theoretically collect every data point of interest to answer
STA 2122 Lab
Assignment 4
What do I know already? (Do not look up the answers to these questions. The
purpose is to assess your current level of knowledge on these topics.)
A. According to the empirical rule, approximately what percent of data is captured
STA 2122 Lab
Assignment 9
What do I know already? (Do not look up the answers to these questions. The
purpose is to assess your current level of knowledge on these topics.)
A. Name the attributes that are typically discussed when describing a sampling
dis
STA 2122 Lab
Assignment 7
What do I know already? (Do not look up the answers to these questions. The
purpose is to assess your current level of knowledge on these topics.)
A. If one in five cars on the road today are painted red, how many cars out of 500
STA 2122 Lab
Assignment 10
What do I know already? (Do not look up the answers to these questions. The
purpose is to assess your current level of knowledge on these topics.)
A. What is a 95% confidence interval for the population mean designed to accompli
Week # 1
Exploring and Manipulating Data sets
a) Access the following data set repository http:/www.tc.umn.edu/~zief0002/ComparingGroups/data.html and read the data codebook for the data set VLSSperCapita
b)
c)
d)
e)
Describe what is the population in thi
STA 2122 Lab
Assignment 3
What do I know already? (Do not look up the answers to these questions. The
purpose is to assess your current level of knowledge on these topics.)
A. In your own words describe what a measure of variation (dispersion) reveals abo
STA 2122 Lab
Assignment 6
What do I know already? (Do not look up the answers to these questions. The
purpose is to assess your current level of knowledge on these topics.)
A. In the context of probability, what does it mean to say that events A and B are
Week 5: Relative Frequency Approach to Computing Probabilities
A publishing company wants to understand costumers preferences for a kids
magazine that they sell. For this purpose the company has collected data on a
random sample of costumers with the goal
Week # 7
Creating a probability table for a Binomial Distribution with Excel
A company claims that they produce 90 % non-defective items.
1) If a random sample of 200 items is taken out of the production line , the number of defective
items in that sample
Week # 4 Computer Activity
Simulating Coin Tosses with Excel
Excel has several random number generators. In this activity we will be using the RANDBETWEEN to
simulate balanced coin tosses.
RANDBETWEEN(a,b) will generate a random integer between a and b wi
Week # 9
Binomial Distribution
Suppose that 25 % of fire alarms in a city are false alarms
1) Let X denote the number of false alarms in a random sample of 10 alarms.
What type of variable is X ? What are the possible values of X ?
What is the mean and st
Week # 6 Simulating dice throws
Imagine the experiment of rolling 4 dice at the same time. Let X be the sum of the numbers that come
up on the four dice.
1)
2)
3)
4)
What type of Random Variable is X?
What are the possible values for X?
Hypothesize about
Week # 10
Using the empirical rule to assess normality for continuous data
Empirical Rule: For bell-shaped distributions, about 68% of the data will be within one standard
deviation of the mean, about 95% will be within two standard deviations of the mean
[1] In each case, state whether the situation illustrates inferential or descriptive statistics
a) In a random sample of 200 U.S. adult women (20 to 40 years old), 168 had heights between 63 and
64 inches. So, 84% of these women had heights between 63 and
26) An experiment consists of selecting one number from the set cfw_7, 3, 2 and
then selecting one letter from the word GIVE. Construct the complete sample
space for this experiment.
- S = cfw_7G, 7I, 7V, 7E, 3G, 3I, 3V, 3E, 2G, 2I, 2V, 2E
27) In a Traffi
ex. distribution: xx = 150, S = 5
1) If the distribution is bell-shaped (symmetric)
What % of all data contains scores that are at least 165?
~0.15%
Between what scores can we find approx. 95% of all the
data values?
between 140 and 160
Write the interval