One sample t-test
1
Chapter 9: One Sample t-test
When (Population SD) is unknown; but (population mean) is known
A t-test is a statistical significance test used to test hypotheses about one sample
mean when the population standard deviation ( ) is UNKNOW
Hypothesis Testing
1
Introduction to Hypothesis Testing: Chapter 8
Two Types of Statistics:
Descriptive Statistics: Statistical procedures to classify and summarize data (e.g.,
frequency distribution, central tendency, variability, z score).
Inferential S
PSY 346-01
Homework #7
Due 4/19/17
Name _
Complete the following homework problems on this sheet or a separate piece of paper and
attach it to this sheet. Be sure to show all your work to receive full credit.
1. IQ scores form a normal distribution with =
PSY 346-01
Homework #5
Due 3/31/17
Name _
Complete the following homework problems on this sheet or on a separate piece of paper
and attach it to this sheet. Be sure to show all your work to receive partial credit.
1. A distribution has a standard deviati
PSY 346-01
Homework #3
Due 3/3/17
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paper and attach it. Be sure to show all your work to receive partial credit.
1. Explain what is meant by each of the following state
PSY 346-01
Homework #1
Due 2/8/17
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and attach it. Be sure to show all your work to receive full credit.
1. Define the terms population, sample, parameter, and sta
PSY 347-01
Homework #1
Due 9/18/17
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and attach it. Be sure to show all your work to receive full credit.
1. The value of the z-score that is obtained for a hypoth
PSY 346-01
Homework #9
Seniors: Due 5/1/17
Non-seniors: Due 5/3/17
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attach it to this sheet. Be sure to show all your work.
1. To measure the relationship betwee
THE THREE BASIC
PROPERTIES OF
LOGARITHMS
SHAKYRAH HARRIS
4TH PERIOD
Click icon to add picture
PRODUCT RULE
The log of the product is equal to the first base and the log of
the second base.
QUOTIENT RULE
Quotient Rule: The log of a quotient is equal to th
X2
Function graph with a power poof 2, squared function, squared or
even functions always make a U shape
This is a function graph with a power of 3, cubed function. Any
function with an odd numbered power will make
3
an
S shape
X
X1/2
These types of funct
5 Principles of Hair Design
Proportion
This is a comparative
relationship from one thing to
another. Any well-chosen
hairstyle could create illusion of
better proportion.
Balance
Has equal or appropriate
proportions to create symmetry.
The two different t
VOLLEYBALL
SHAKYRAH HARRIS
MRS. MORTON, 3RD PERIOD
WHAT IS
VOLLEYBALL?
VOLLEYBALL WAS CREATED IN 1895
BY WILLIAM G. MORGAN.
ORIGINALLY, THE NAME FOR
VOLLEYBALL WAS MINTONETTE.
WHEN THIS GAME WAS CREATED, IT
WAS MADE FOR ORIGINALLY 6
PEOPLE TO PLAY A TWO
YOUNG GOODMAN
BROWN
Dottie Joseph, Alyssa Heard, Cassidy Trouth, Shakyrah Harris
And Faith- thrust her own pretty head
letting the wind play with the pink ribbons
of her cap.
THE PINK RIBBON
The Pink Ribbon is
meant that Faith had
an innocent soul,
and sh
Hair Types
Fine Straight Hair
This combination usually holds
and hugs the head shape due to
the fact there is no body or
volume to the hair. This
hairstyle may not support many
styling options.
Straight Medium Hair
This type offers more versatility
in sty
Chunking Shears
It can take out big sections of
the hair. The wider the space
between the blades the more
pronounced the cutting will be.
These shears adds increased
blending to the hair, and
reduces the hair thickness.
Texturizing
Shears
Thinning Shears
Haircut Analysis
Elements for Hair Analysis
Density: The number of individual hair strands found on 1 inch of the scalp.
Texture: The thickness or diameter of the individual hair.
Elasticity: Ability of the hair to stretch and return to its original lengt
Shakyrah Harris
October 14, 2016
Birthday Polynomial
November 14, 1969
X^7+x^6-x^5-4x^4+x^3-9x^2+6x+9
i.
ii.
iii.
iv.
v.
In the graph, it shows that my highest point would
be from negative infinity to positive 10. Meaning
that my highest point in life, is
Warm Up
1) Find the Mean, Median, Mode, and Range.
6, 1, 3, 8, 5, 11, 1, 5
Mode = 1 and 5
6 1 3 8 5 11 1 5
40 5
x
8
8
Range = 11 1 = 10
1, 1, 3, 5, 5, 6, 8, 11
55
Median
5
2
Vocabulary
Upper Quartile (Q3) The median of the upper half of the data
Lower Qu
Coordinate Algebra
Unit 4: Describing Data
Vocabulary
TIP Chart
MGSE9-12.S.ID.2
Term
Interquartile
Range (IQR)
Information
is a measure of
variability, based on
dividing a data set
into quartiles.
of a set of data is the
average distance
between each data
Journal Entry
By: Chase Eschman
9-12-16
In chapter 4, I have learned many things. What mental health means to me is a persons well
being. There are many different types of mental health. Everybody has a mental health. You
have your own personality and her
How Do Your Muscles Work?
Name:
INTRODUCTION:
Much of the work of the body depends on the contraction of skeletal
muscles. In this experiment you will first observe the characteristics of
muscle contraction and then will investigate the effects of two fac
Estimation
Mean estimates
Confidence Interval with the Known
Weights of 10 year old children, normally distributed with a mean of 90 and a
standard deviation of 36
o Sampling distributions of the mean
Mean =
Standard Error =
m
=
N
o For Sample Size 9
My friend is convinced he has ESP.
In the simulation, I used 0-9 to represent each of the ten volunteers receiving their envelopes. I allowed
my friend 20 trials to prove that he has ESP. The outcome represents each trial, and the digit represents
how man
Experimental Design Video:
Example: Whether caffeine has an effect on student behaviors and performance in the
classroom
Do an experiment to find the answer
Hypothesis: When students in school consume caffeine their performance on tests are
affected (wil
Which ice cream chain
is Americas favorite
By: Jada Foster
Introduction
I scream, you scream, we all scream for ice cream!
I love ice cream, and in my opinion the best way to enjoy ice cream is
by getting the full experience by going to an ice cream parlo
Probability
Probability is controversial
Probability Conceptions
Symmetrical Outcomes: Probability of any choice occurring is 1/n, i.e. coin for
each side
Frequentist Approach: Flipping millions of coins and expecting half to be heads so
the probability
Backhoes and Forklifts Task:
I would label each of the machines 1-20. The experiment will be single-blind to prevent bias and consist
of three groups: a placebo group given a false additive, the control group given regular hydraulic oil, and
the experimen