Suong Nguyen
STAT100
MINITAB Assignment 3
1. According to the Information Please Almanac, 78% of adult smokers started smoking
before turning 18 years old. Suppose 8 smokers 18 years old or older are randomly
selected and the number of smokers who started
Suong Nguyen
STAT100
MINITAB Assignment 5
1. How well materials conduct heat matters when designing houses, for example.
Conductivity is measured in terms of watts of heat power transmitted per square meter of
surface per degree Celsius of temperature dif
Suong Nguyen
STAT100
MINITAB Assignment 2
1. Histograms
a. Materials fired at 75 degrees
i. The histogram is symmetrical and unimodal.
ii. You should use the mean for the best measure of center and the range for
the best spread.
b. Materials fired at 100
Suong Nguyen
STAT100
Section 0121
MINITAB Assignment 4
1. The heights were recorded for a Simple Random Sample of 270 freshmen.
The mean of this sample was 66.5 inches. The heights are known to be
Normally Distributed with a population standard deviation
Suong Nguyen
STAT100
MINITAB 1
1. Athletic shorts sold
Athletic Shorts Sold
Color
Black
Dark Blue
Light Blue
Neon Green
Neon Orange
Neon Pink
Neon Yellow
Red
White
White with Logo
a. .
Athletic Shorts Sold
25
Count
20
15
10
5
0
b. .
Athletic Short Color
A
Some extra problems to help study for Test 2. These are just some of the problems you will see on Test 2.
1. Let (, ) = 6 106 0.0010.002 < , > 0
a. Verify that (, ) = 6 106 0.0010.002 integrates to 1
(, ) = ( 6 106 0.0010.002 )
0
= 6 10
6
( ( 0.002
TABLES AND FORMULAS FOR MOORE
Basic Practice of Statistics
Exploring Data: Distributions
Look for overall pattern (shape, center, spread)
and deviations (outliers).
Mean (use a calculator):
x=
1!
x1 + x2 + + xn
=
n
n
xi
Standard deviation (use a calcul
Some extra problems to help study for Test 2. These are just some of the problems you will see on Test
2.
1. Let (, ) = 6 106 0.0010.002 < , > 0
a. Verify that (, ) = 6 106 0.0010.002 integrates to 1
b. Find the probability X<1000 and Y<2000.
c. Find the
1. The heights were recorded for a Simple Random Sample of 270 freshmen. The mean of this sample
was 66.5 inches. The heights are known to be Normally Distributed with a population standard
deviation of 5.1 inches. Round answers to one decimal place.
That
Test 2 Review
Working with integrals:
The Normal Distribution and the Applications of the Normal Distribution
Find probabilities for Normally Distributed Random Variables :
I.
P(X<x) :
x
z=
a. Standardize the x value:
II.
b. Go to the standard normal tabl
How To Find Critical Value(s), zc:
We are looking for the Critical Region determined by , the significance level, (where we look to reject the null hypothesis)
In a right-tail test we look for the critical value in the right-tail of the distribution
In a
Example 1:
The following small data set represents a simple random sample from a population whose population
standard deviation is 10:
43 63 53 50 58 44 53 53 52 41 50
The sample mean is 50.25.
a)
Are all conditions met so that you can construct a confide
Help with some of the Discrete Distributions:
For each of the examples, state what type of distribution, then solve the problem.
1. Suppose you first randomly sample one card from a deck of 52. Then, without putting
the card back in the deck you sample a
1. Given two events C and D in a sample space S, if we know that P(C) =
0.3 and P(D | C) = 0.2,
a. PC D= 0.06
b. Events C and D are not independent
2. Given two events E and F in a sample space S, if we know that P(E) =
, P(F) = 1/3, and P(EF) =
a. P(E|F
Abby Wiltz
STAT100
MINITAB Assignment 1
1. A store is making an analysis of cap sales for a specific style of ball caps. In the
MINITAB file (named MINITAB Assignment 1 DATA) in column c1 is the data of the
color of caps sold for 150 purchases. Remember t
Study Guide for Test 1
Know all definitions (All words and concepts highlighted and defined in PowerPoints).
Know how to represent the different types of data and the appropriate measures of center and
spread.
Know how to interpret the graphical represent
Test 2 Review
The Normal Distribution and the Applications of the Normal Distribution
Find probabilities :
I.
P(X<x) :
a. Standardize the x value:
II.
x
b. Go to the standard normal table and find the probability that corresponds to z
P(X>x):
a. Standardi
MINITAB Assignment 3
Fall 2016
You will be calculating the mean, standard deviation, and probabilities based on the binomial distribution
and calculating probabilities based on the normal distribution. Use MINITAB to calculate these
probabilities.
Make su
Test 1 Some Review Exercises
Answers to Review Exercises are posted tomorrow in a separate file (gives you a chance to work these
problems on your own)
The Normal Distribution and the Applications of the Normal Distribution
Find probabilities for Normally
MINITAB Assignment 2
Fall 2016
Make sure you so the following:
1. Put your name in your document.
2. Under your name, put STAT 100 with your section number.
3. Put MINITAB Assignment 2 centered on top of Page 1.
4. Number and letter the answers accordingl
Pie Chart of Cap Color
Pie Chart of Cap Color
10.7%
12.0%
3.3%
8.7%
12.7%
8.0%
10.7%
17.3%
16.7%
Summary Statistics
Cap Color
Black
Dark Blue
Light Blue
Neon Green
Neon Orange
Neon Pink
Neon Yellow
Red
White
Total
Count
16
5
19
26
25
16
12
13
18
Percent
1
If you are using MINITAB Express:
Getting the Cumulative Distribution for a Distribution
1. In C1 put in all the values your variable can take on (0, 1,2,3,4,5,6,7,8).
2. Left click on Statistics
3. Left click on Distributions (If you are using a MAC, yo