TheREGProcedure
Model:MODEL1
DependentVariable:Phenol
Friday,February17,201712:34:16PM1
1b) ReducePower seems to have strong linear relationships with all of the other variables
Friday,February17,201712:34:16PM2
TheREGProcedure
Model:MODEL1
DependentVaria
Friday,February3,201701:24:04PM1
TheREGProcedure
Model:MODEL1
DependentVariable:Price
2.14a) We are hypothesizing that there is a positive linear relationship between the number of pages in a textbook and the price of the textbook.
We have a test statisti
Friday,March3,201712:51:58PM1
EuropeanDrinkingTeensByRegion
TheGLMProcedure
6.22)
Source
Face
Gender
Interaction
Residuals
Total
DF
49
1
49
4800
4899
SS
2100
2500
400
20415
25415
MS
42.86
2500
8.16
100
F
0.433
0.416
0.083
6.27c) Because Seaway has a highe
Friday,April14,201711:22:11AM1
Danielle Diaz-Silveira
1.
Original curve s shaped log function
a. The line is less steep and more curved
Friday,April14,201711:22:11AM2
b. The curve is closer to the left side of the graph compared to the original curve
c. T
AP Statistics Formula Sheet cfw_11] Fruhahlllty
cfw_llDescriptive Statistics PtttU Bt=PtAJ+Pcfw_B-P(AHB
E=in HAIBi=m
1* PtEJ
t EX = t= ,
a: ZiEii' t] t 219:3
Wth a: =th. nut: It
If X has a binomial distribution with
Parmmwrs n and p.1en:
H k k
P(X=|=[k]
X Sony, that's net current.
The probability that a Type | errur will be made, :1, is the area in the rejectien
regien. Use the table Shawn helm-r ta determine the value at 12.
Alternative Hypetheeee
LawerTailed UpperTailed TwaTailed
1:=.1 22133 221.23 2-=
STA 2023 Statistics
Professor Decker
List of Possible Vocabulary Words to Appear on Final Exam
Write YOUR OWN (without looking them up) definitions below the words.
1. Significant
2. Outlier
3. Independent
4. Mutually Exclusive
5. Normal
6. Random
7. Misl
STA 2023 Statistics
Professor Decker
List of Possible Vocabulary Words to Appear on Final Exam
LOOK UP in the notes and write definitions below the words.
1. Significant
2. Outlier
3. Independent
4. Mutually Exclusive
5. Normal
6. Random
7. Misleading
STA
Practice exercises for STA3123:
Note: A complete hypothesis test includes H0, Ha, test statistic value, rejection region, (or p-value),
decision and conclusion.
CH.8:
1. The length of stay (in days) in hospital for 100 randomly selected patients are prese
ST3123 Statistics for Behavioral and Social Sciences II
Review
A: Basic Concepts in Inferential Statistics
Population and Sample(simple random sample)
Population: all subjects of interest
Sample: part of population
Parameter ( , 2 , , p ) and statistic (
8.5 Test of hypothesis about a population mean: Students t-Statistic
Condition required for a valid small-sample hypothesis test for :
1. A random sample is selected from the target population;
2. The population from which the sample is selected has a dis
ST3123 Introduction of Statistics II
Review
A: Basic Concepts in Inferential Statistics
Statistics( descriptive statistics and inferential statistics)
Inferential statistics ( confidence interval and hypothesis test)
Population and Sample(simple random
8.3 Test of hypothesis about a population mean: Normal (z) Statistic
Condition required for a valid large-sample hypothesis test for population mean :
1. A random sample is selected from the target population.
2. The sample size n is large (n > 30).
Under
8.4 Observed significance levels: p-values
p-value(OSL): the probability (assuming H 0 is true) of observing a value of the test
statistic that is at least contradictory to the null hypothesis, and supportive of the
alternative hypothesis, as the actual o
8.2 Formulating hypotheses and Setting up Rejection Region
To write the null and alternative hypotheses,
1. Write the claim as a mathematical sentence.
2. Write its complement.
3. Indicate the null and alternative hypothesis.
Examples: Write the claim as
8.6 Large-sample test of hypotheses about a population proportion
Condition required for a valid large-sample hypothesis test for p :
1. A random sample is selected from a binomial population.
2. The sample size n is large. (This condition will be satisfi
APPENDIX A Tables 809
TABLE XIV Critical Values of Spearmans Rank Correlation Coefficient
The a values correspond to a one-tailed test of H 0: p = 0. The value should be doubled for two-tailed tests.
Source: From E. G. Olds, Distribution
Specifying Variables and Observations
The data set orion.employee_organization contains information on employee
job titles, departments, and managers.
Partial Listing of orion.employee_organization (424 Total Observations)
a. Create two data sets: one for
0
Specifying Variables and Observations
1 The data set orion.orders contains information on in-store, catalog, and Internet orders
as well as delivery dates.
Partial Listing of orion.orders (490 Total Observations)
a. Create two data sets to analyze in-st
1. Reading Multiple Input Records per Observation
0 The raw data file sales2.dat has employee information for the Australian and U.S. sales staff.
1 Information for each employee is in three lines of raw data.
2 The record layouts are shown below.
Line 1
0
Creating Multiple SAS Data Sets
The data set orion.employee_organization contains information on employee job titles,
departments, and managers.
Partial Listing of orion.employee_organization (424 Total Observations)
a. Use conditional logic and explici
0
Using Conditional Logic to Output Multiple Observations
The data set orion.country contains information on country names as well as various lookup
codes.
Listing of orion.country
a. Create a new data set that contains one observation for each current co
4
0
Outputting Multiple Observations
1
Use the following libname:
2
libname orion "/courses/d0f434e5ba27fe300/s5066/prg2" ;
3
The orion.prices data set contains price information for Orion Star products.
Partial Listing of orion.prices (50 Total Observati
1. Using Formatted Input
The raw data file sales1.dat has employee information for the Australian and U.S. sales staff.
The record layout is shown in the table below:
Layout for sales1.dat
Field
Description
Starting
Column
Length of
Field
Data Type
Employ
1. Merging Using the IN= and RENAME= Options
All of the SAS datasets in the orion library should be in the
directory /courses/d0f434e5ba27fe300/s5066/prg1 on the
server.
2.
a. Write a PROC SORT step to sort orion.customer by Country to
create a new data s
0
Creating Multiple SAS Data Sets with Derived Values
The data set orion.orders contains information on in-store, catalog, and Internet orders
as well as delivery dates.
Partial Listing of orion.orders (582 Total Observations)
a. Orion Star wants to study
1. Concatenating Like Structured Data Sets
All of the SAS datasets in the orion library should be in the
directory /courses/d0f434e5ba27fe300/s5066/prg1 on the
server.
2.
a. Write and submit a DATA step to concatenate
orion.mnth7_2007, orion.mnth8_2007, a