More Review Questions for Final Exam
Match up the correct test to each problem.
1) Test the claim that Frosted Flakes and Fruit Loops have the same mean sugar content
2) Test the claim that level of education is independent of salary earned
3) Test the cl
MATH 160 Chapter 9
PROBLEM 1
The Monroe Medical Group studied the ailments of adults with diabetes. Of 8750
adults who are diabetic, 2100 have high cholesterol. Of 12350 adults who are not
diabetic, 1482 have high cholesterol. Find the percentage of adult
MATH 160
(chapter 8)
RoadGear, a tire manufacturer, is using a new production method to manufacture tires. A
simple random sample of 25 tires are tested. The sample has a standard deviation of 20
inches. At the 0.05 significance level, test the claim tha
Fall 2013 MATH 160 Exam #1 Form B
(chapters 1 3) 200 points
Name:
Instructions: May use one 3x5 index card (back/front, typed/written) and calculator.
(Round answers according to the rules talked about during lecture)
Lisa has been looking to move into a
Math 160 Final Exam practice for chapters 7 10
1) True / False
A) The value of the 2 random variable can be negative. _
B) The correlation coefficient r measures the strength of a linear
relationship._
C) represents the probability of making a type I err
Sample Size Determination:
Chapter 7 (Confidence Intervals one population)
Parameter
Formula
C.V.
TI84 select STAT,
TESTS
x E x E
Table A2
Zinterval
known
E z 2
n
n
x E x E
unknown
( n 1) s
R
( n 1) s
2
2
L
2
E z 2
E2
Tinterval
Table A4

Table
chapter 7
MATH 160

1) You randomly select and weigh 25 samples of ALAVERT, an allergy medicine. The
sample standard deviation is 1.30 mg and the sample mean is 2.15 mg. Assuming the
weights are normally distributed, construct a 95% confidence interval f
Chapter 7 Summary
MATH 160
Assume that all samples have been randomly selected from a population with a
normal distribution.

1) You randomly select and weigh 25 samples of ALAVERT, an allergy medicine. The
sample standard deviation is 1.30 mg and the sa
MATH 160
Ch 7 10 Practice
Form B
Name_
Assume that all samples have been randomly selected from a population with a
normal distribution.
1) You randomly select and weigh 25 samples of an allergy medicine. The sample
standard deviation is 1.20 milligrams.
Chapter 1 ( Definitions)
Parameter
Statistic
population mean
x sample mean
population standard deviation
s sample standard deviation
2 population variance
s 2 sample variance
P population proportion
p sample proportion
Chapter 2 and 3 (Descriptive Stat
Abdullah Al Ghanimi
Professor Vance
CHEM 120
February 7, 2017
Part 1: Measurements
1. Mass: we take the measurements of the components mass by using
both a quadbeam balance (precision 0.001 g or 0.0001 g) and thee
top loading balance (precision 0.005 g).
Introduction of the TI83/TI84 Graphing Calculator
Math Study Center, Grossmont College
Turning Your Calculator On and Off
Adjusting Display Brightness
Negative Numbers
=
Exponents
=
Using the 2nd Key
=
Order of Operations
+
+
Entry and Ins Keys
Assume that all samples have been randomly selected from a population witka
normal distribution.
1) You randomly select and weigh 25 samples of an allergy medicme. The sample
standard deviation is 1.20 milligrams. Assuming the weights are normally
distrib
Math 160 Final Exam practice for chapters 7 10
1) True / False
A) The value of the 2 random variable can be negative. _
B) The correlation coefficient r measures the strength of a linear
relationship._
C) represents the probability of making a type I err
MATH 160
Chapter 8 Problems
Note: These are just a few problems from chapter 8 to help you review.
To study ALL the ch 8 problems, make sure to go over your homework.
RoadGear, a tire manufacturer, is using a new production method to manufacture tires. A
Fall 2013 MATH 160 Sample problems
(chapters 4  6)
Name:_
SHOW YOUR WORK. Answers alone are not sufficient. If you are using your calculator, WRITE DOWN
THE COMMAND USED. If you are working with a normal distribution, draw the normal curve, shading the
a
Fall 09 Math 160ExamI FormA
200
Name:
@
Show work accordinglyto receivefull credit.
3s par*s
(Round to the tenths place when appropriate)
To answer some of the questionsbelow, you needto first find the classmidpoints.
l)
Find all of the classboundaries fo
EXAM 1 SAMPLE EXAM: These are only a sample of questions that you will see on your first exam.
Make
sure to go over your homework and notes so that you can review all of the material that will be included on Exam 1
Name:_
Show work accordingly to receive
Introduction to the TI83/84 Graphing Calculator
Math Study Center, Grossmont College
1. Basics
a. Turning Your Calculator On and Off
b. Using 2nd and Alpha Keys
c. Menus
i. Mode
ii. Math
iii. Test
d. Clearing the Memory
e. Adjusting Brightness
f. Basic C
Spring 06 MATH 160 Midterm 2 300 pts
Name I
Instructions: Neatly, show all of your work to receive credit.
Assume that all samples have been randomly selected from a population with a
normal distribution.
M.I‘d’mCm"_“umuwmWma
1) When people smoke,
Chem 1020
Lewis structures worksheet
Complete in the following table:
Group:
IA
IVA
VA
VIA
VIIA
Element:
H
C
N
O
F/Cl/Br/I
# valence electrons:
1
4
5
6
7
Normal # covalent bonds:
1
4
3
2
1
For the following neutral molecules, calculate the total number of
Worksheet: More Lewis Structures
Name_
I. Draw Lewis Structures for the following molecules.
CCl2F2
CCl4
ONCl
SiO2
C2H2
SO3
CH2I2
H2S
II. Draw Lewis Structures for the following polyatomic ions.
SO32
ClO21
NO21
OH1
CHEMISTRY: A Study of Matter
2004,
Lewis Structures Practice Worksheet
Draw the Lewis structures for the following compounds:
1)
PBr3
2)
N 2H 2
3)
CH3OH
4)
NO21
5)
C 2H 4
6)
H3O+
7)
HNO3
8)
H2SO4
9)
H3PO4
10)
H2CO3
Reminders:
1. In a neutral atom
the number of protons
equals the number of
electrons.
2. An atom can
NEVER gain or lose
protons
3. The number of
protons equals the
atomic number
NAME:_
Ion Practice Set
1. What is an ion?
2. What does the number next to th
Grossmont College
Chemistry 120
Spring 2008
Name _
Lab Day_ Date _
Exam 4
Part I: Multiple Choice (2 points each)
Directions: Please circle the best answer for each of the following questions.
Question 1.
What is the strongest type of
intermolecular force
Name _ Date _
Average Atomic Mass
Overview
The average atomic mass of an element can be determined from the relative amounts of each isotope.
This is the mass used in most chemical calculations.
In a naturally occurring element, the fractional abundance i