Lab 2 General Chemistry Lab Safety
Part 1: What is it?
A chemical laboratory contains special equipment to use while you are
performing an experiment. Locate each of these items in your lab kit, and
place a check mark in the appropriate place when you fin
MAT 121-100
College Algebra Unit 3
Unit 3 - Supplement
It is possible to check whether 1 or -1 are zeros without completing synthetic division.
Test for 1: If the sum of all the coefficients is zero, then 1 is a zero.
Test for -1: After changing the sign
2.2 #36. Uninsured Rates
The following data represent the percentage of people without health insurance for the 50 states and the
District of Columbia in 2009.
With each class having lower class limit of 2 and 4:
a. Construct a frequency distribution.
b.
3.4 #10. Batting Champions
In 1941, Ted William had a batting average was 0.406. The batting average mean in 1941
was 0.2806 and the standard deviation was 0.0328.
In 2010, Josh Hamilton had a batting average of 0.359. The batting average mean in 2010
was
2.2 #36. Uninsured Rates
The following data represent the percentage of people without health insurance for the 50 states and the District of Columbia in 2009.
h. Make 2 stem and leaf displays, one with 1 digit in the stem and the other with 2.
Titles: (
3.1 #28 Old Faithful
Draw a frequency histogram: Title (1 pt), x-axis (2 pts), y-axis (2 pts), chart (2 pts)
Frequency
Random Sample of Calistoga, California
Old Faithful Length of Eruptions
(in seconds)
20
15
10
5
0
14
8
3
90
8
7
2
94
98
102
106
110
1
1
3.2 #24. The Empirical Rule
a) (4 pts) The sample standard deviation is 6 seconds.
b) (4 pts) The histogram is reasonably bell shaped, so OK to use for general comments.
Frequency
Random Sample of Calistoga, California
Old Faithful Length of Eruptions
(in
Lorraine Joseph
Homework and Writing Assignments 2.1
WA #3:
In a relative frequency distribution, all of the relative frequencies should add up to 1. The reason for this
is because the relative frequency is a percentage or proportion of each observation w
3.2 #28 Temperatures
It is well known that San Diego has milder weather than Chicago, but which city has more deviation from
normal temperatures over the course of a month? Use the following data (shown in the book), which
represents the deviation from no
2.2 Writing Assignment and Homework
3.) The class width is the difference between consecutive lower class limits. For example, in a frequency
distribution of with age ranges for people in a given study, subtract the lowest age of the first range from
the
NAME
Jan
Charles
Denise
Mist
Mark
Zoey
Thomas
Cody
Ashley
Izabel
Angela
Jared
Chase
Frank
Skylar
Mallory
Macey
Dylan
Travis
Preston
Hunter
Penny
Georgia
Destny
Graham
Barry
Peter
Matthew
Rusty
Langston
Gender
Female
Female
Female
Female
Female
Female
Fema
Monty Hall Problem
Jacob Duke
11/1/2016
Statistics
In the Monty Hall Problem with Ron Clark, the narrator says that once a door is picked
and one of the goat doors is revealed, that most people would say it makes no difference if
the participant switched
A Survey of Peoples Favorite Food
Jacob Duke
October 17, 2016
Intro to Statistics
Background Information
I choose the topic on peoples food choice because I am a Dietetics and Nutrition major.
Not only has food and nutritional value of said food always in
Overview
For this exercise you will use the Interactive "Transformation of Functions" figure in the
MLP Multimedia Library to create the graph of the following Absolute Value function:
To view the interactive figures used in MyMathLab you will need to go
Estimate for the Mean Sales Invoice Amount
Data
Sample Standard Deviation
Sample Mean
Sample Size
Confidence Level
Intermediate Calculations
Standard Error of the Mean
Degrees of Freedom
t Value
Interval Half Width
Confidence Interval
Interval Lower Limit
Kuta Software - Infinite Pre-Algebra
Evaluating Variable Expressions
Name_
Date_ Period_
Evaluate each using the values given.
1) n 2 m; use m = 7, and n = 8
2) 8( x y); use x = 5, and y = 2
3) yx 2; use x = 7, and y = 2
4) m n 4; use m = 5, and n = 8
5)
Mat 122
Writing Assignment 3
1. Explain why the domain of inverse sine and inverse cosine is [-1,1], but the domain of
inverse tangent is all real numbers.
The domain of inverse sine and inverse cosine is [-1,1] because it must be restricted
so that it pa
Math 122
Writing Assignment #2
1. As B decreases to 0, the basic cosine curve is horizontally stretched. Page 142 in our
book states if 0 < B < 1, the basic sine or cosine curve is horizontally stretched and if B
> 1, the basic sine or cosine curve is hor
Math 122-604
Writing assignment 1
Explore/Discuss 2
A total solar eclipse will occur when the moon passes between the earth and the sun and the
angle subtended by the diameter of the moon is at least as large as the angle subtended by the
diameter of the
MAT 122
Writing Assignment #1
1. According to Euclids theorem on page 14 of our book, If two triangles are similar, their
corresponding sides are proportional. If two angles in a triangle equal two angles in
another triangle the third will be the same and