10 Multiple choice questions
1.
16A manufacturing company measures the weight of boxes before shipping them
to the customers. If the box weights have a population mean and standard deviation of
90 lbs
11 Matching questions
1.
true
INCORRECT
No answer given
THE ANSWER
E. A sample statistic is an unbiased point estimate of a population parameter if the
mean of the populations of all possible values o
15 Multiple choice questions
1.
B) normal
INCORRECT
No answer given
THE ANSWER
24. A continuous random variable x has a normal distribution with a mean of 90 and a
standard deviation of 15. The sampli
5 Multiple choice questions
1.
analysis of variance is used to test if 3 or more population means are equal
INCORRECT
No answer given
THE ANSWER
ANOVA
2.
continuous distribution, values cannot be nega
5 Matching questions
1.
Correlation analysis
INCORRECT
No answer given
THE ANSWER
A. techniques to measure the association between 2 variables
2.
Regression analysis
INCORRECT
No answer given
THE ANSW
14 Written questions
1.
C) The value of the mean is always greater than the value of the standard
deviation
INCORRECT
No answer given
THE ANSWER
36. Which of the following is not a characteristic of t
15 Matching questions
1.
The hypergeometric probability distribution can be used whenever:
A) a sample is drawn at random with replacement
B) successive trials are independent of each other
C) the pro
5 Written questions
1.
r2 is the fraction of the variation in one variable that is explained by variation in
the other variable; ranges from 0 to 1; is the square of coefficient of correlation
INCORRE
11 Written questions
1.
sampling error
INCORRECT
No answer given
THE ANSWER
not a mistake, just a variation due to sampling
2.
If the sampled population is exactly normal distribution, then the sampli
10.71
a)
b)
c)
10.72
a)
The response variable is view of U.S. and the explanatory variable is the year
Independent because the subject is not related.
Depended because the subjects are the same.
In 20
Unit 11
Correlation and Regression
T-tests allow us to determine whether group A is different from group B on some
measured trait. For both groups, the measured trait is the same.
In correlational res
Review Questions
1.) Explain the relationship between mutations and natural selection. Give an example of a mutation that
is beneficial for an organism and predict what would happen to the frequency o
Unit 10
Confidence Intervals and Effect Sizes
for T-tests
In Unit 6, we used the z test to compare a sample mean to a population mean
when we knew both the population mean and standard deviation.
In U
Remember that variance is a measure of variability and is equal to standard deviation squared. Therefore, the square
root of the variance is the standard deviation.
The pooled variance is an average o
Chapter 2
Summarizing Data in
Tables and Graphs
Section 2.1
Organizing Qualitative Data
StatCrunch
Explore >Groups> search for gamberha> Join our class group
Example 1
The 2010 Census results include
Statistics
MATH 1342
Dr. Heather Gamber
Chapter 1
Getting the Information You Need
Meet and Greet
Collect data from 5 other students in the course (Be
sure to write it down.) Introduce yourself by sha
0
Critical Thinking Memorandum
Lisbett De La Garza
PHL/320
June 7, 2016
Professor, Bryan Carey
Critical thinking is: Aimed at coming to correct conclusion and making wise
choices or decisions. When it
Cells of the Nervous System
- Neurons 100 billion, make up 10% of brain volume
- Glial Cells many more, make up 90% of brain volume
Neurons: convey sensory info. To the brain, carry out the operations
Lecture 1
Localization Vs. Holistic View
- Paul Broca, 1861, speech localization: theory that neurons and parts of the brain are
dedicated to a specific function
- Karl Lashley, 1929, Equopotentiallit
Central Nervous System Structures Lecture 2 01/21/2016
Two Major Divisions
-CNS (Brain & Spinal cord)
Tract, Nucleus
-PNS
Nerve, Ganglion
A nucleus is:
a. A cluster of cell bodies in the CNS
b. A bund
Peripheral Nervous System and Spinal Cord
> Protecting the brain
-Physical Protection
- Chemical
Protecting the central nervous system Blood Brain Barrier
-The blood-brain barrier limits passage into
Room 135 Monday at 5 (genetics and evolution not in test 1) 50 or so multiple
choice, matching parts of brain
Neuroplasticity and development
Brain Development
Induction of the neural plate
Neural Tu
Endocrine System and stress
Endocrine System: Network of Glands that manufacture and secrete hormones
Hormones: Chemical messengers that regulate metabolism and influence body growth, mood,
and sexual
39 multiple choice
1 questions ask for fill in the blank with 3 components to it
3 more questions with multiple components in it fill in the blank
Lecture 1
1. Equal potioality same as general view
Le
Two Key concepts:
Recapitulation:
Storm & Stress:
Adolescence:
From Halls time to our time, large shifts.
1900 (14-24 years) 2012(10 -18 years)
what contributes to this shift?
- Genetics
- Environment
Jean Piaget Theory that all children of diff ages think differently
Maturation is acting process, to some extent brain will develop but we also need some activity
that are based on actions
Piagetian s