Worksheet 2

Work on Measures of Central Tendency and Variability this Saturday, July 5, 2014.  Show your work on a long bond paper.

Worksheet 1

Activity for November 29, 2014

Solve and Interpret on a long bond paper.


1. The eight best-selling paperback business books are listed.  Suppose a sample of book purchases provided data:

7 habits
Motley
Millionaire
Millionaire
Motley
7 Habits
Dad
Motley
Millionaire
Motley
7 habits
Motley
Millionaire
WSJ Guide
Motley
Dad
Millionaire
Motley
Motley
Dad
7 habits
WSJ Guide
7 Habits
7 Habits
WSJ Guide
Motley
Millionaire
Dummies
Dad
7 habits
Tax Guide
Dad
WSJ Guide
Millionaire
Millionaire
Dad
Tax Guide
Tax Guide
Motley
7 Habits
Millionaire
Millionaire
Dad Tax Guide
Millionaire
7 Habits
Dad
WSJ Guide
7 habits
7 habits
Dad
Millionaire
Millionaire
7 Habits
Millionaire
Dad
Dad
Dad
7 Habits
Dummies
Millionaire
Dad
Parachute
Parachute
WSJ Guide
WSJ Guide
Millionaire
Motley
Dad
Motley
Dad
Parachute
Millionaire
Millionaire
Dad

2.  Consider the following data.
14
19
24
19
16
20
24
21
20
21
22
15
17
19
24
18
17
23
26
22
23
25
25
19
18
16
15
15
19
24
21
16
19
20
25
23
20
21
23
20
22
22
16
16
16
16
12
25
19
24
20
19
21
25
22
17
16

Develop a frequency distribution using classes 12 - 14, 15 - 17, 18 - 20, 21 - 23, 24 - 26
Graph
Interpret

II. Answer the following on a long bond paper.

What is the level of measurement for each of the following? Give your reasoning.
1.  Polls asked 50 families, "Would you say you are financially better off now than you were a year ago?" The responses:
_____________
Better off   42%
worse off   29%
same         26%
no opinion 3%
_____________

2.  Every 4 hours the quality control inspector at selects 100 bedsheets at random and records the intensity of the blue color.  There is some latitude, but if the color is too deep, or too light, the sheet is "irregular".  The irregular sheets are sold at a discount.  The percentages defective for the ten checks Monday through Friday are 1%, 2%, 0%, 1%, 1%, 0%, 0%, 1%, 3% and 0%.

3. Coaching staff rated each San Miguel basketball player who participated in more than five plays in the game against Purefoods.

_____________
Rating        Number of Players
Outstanding        4
Excellent            10
Good                 8
Fair                    5
Poor                  7
_____________

4.  The National Center for Education Statistics cited the following college enrollment figures in a certain university.
____________________________
Gender         1992             2000
Male              4900           5750
Female           5250           6150
____________________________

5.  Answers to the even-numbered Exercises are at the back of the book.  Refer to table
_________________________
Probable Field of Study               Percentage
Business                                          25
math and physics                             13
Engineering                                      10
Social sciences                                10
Arts and humanities                         9
Education                                       9
Biological sciences                          4
Chemistry                                       3
Physical Sciences                            2
Other                                            15
total                                               100
_____________________________

Explain your answers in a paragraph form.