What is the median?
What is the variance?
What is the mode?
What is the standard deviation?
What is the shape of the distribution?
What is the IQR?
What is the Q1?
What is the Q3?
What is the IQR?
What is the upper fence?
What is the lower fence?
Are there any outliers?
Example 3:
Given the following types of data and sample sizes, list the measure of central tendency you would use and
explain why?
Sample of 50
Sample of 200
Hair color
Height
Weight
Parent’s Income
Number of Siblings
Age
Does sample size affect your decision?
This preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentChapter 1:
Exploring Data
Example 4:
Consumer Reports
did a study of ice cream bars (sigh, only vanilla flavored) in their August 1989 issue.
Twentyseven bars having a tastetest rating of at least “fair” were listed, and calories per bar was included.
Calories vary
quite a bit partly because bars are not of uniform size.
Just how many calories should an ice cream bar contain?
342
377
319
353
295
234
294
286
377
182
310
439
111
201
182
197
209
147
190
151
131
151
a) Construct a boxplot of the data
b) Determine if there are any outliers.
Example 5:
The weights of 20 randomly selected juniors at MSHS are recorded below:
121
126
130
132
134
137
141
144
148
205
125
128
131
133
135
139
141
147
153
213
a) Construct a boxplot of the data
b) Determine if there are any outliers.
Example 6:
Using the data from example #5
a) Change the weight from pounds to kilograms and add 2 kg (special uniform)
b) Get summary statistics and compare with example 5
c) Draw a box plot
Homework:
Day 1:
pg 74 – 75:
problems 2731
Day 2:
pg 82: prob 33; pg 89 probs 40, 41; pg 97 probs 45, 46
Chapter 1:
Exploring Data
Chapter 1:
Review
Objectives:
Students will be able to:
Summarize the chapter
Define the vocabulary used
Know and be able to discuss all sectional and chapter knowledge objectives
Be able to do all sectional and chapter construction objectives
Successfully answer any of the review exercises
Vocabulary:
None new
Summary:
Homework:
pg 106 – 111: probs 59, 62, 63, 64, 66, 70
Plot your data
Dotplot, Stemplot, Histogram
Interpret what you see
Shape, Outliers, Center, Spread
Choose numerical summary
x and s, FiveNumber Summary
This is the end of the preview.
Sign up
to
access the rest of the document.
 Fall '12
 SonjaCox
 Histograms, Standard Deviation, AP Statistics, Bar chart

Click to edit the document details