Midterm Exam #1
Introduction to Statistics / 1156 MAT300 SUMMER 2015 Dent-MAT300-201 VA015
(Mr. DENT)
Student Name/ID:
1. Which of the following variables are best thought of as continuous, which discrete? Indicate your
choice for each by circling the app
Aleks Mathmatical Training System
1
Aleks Mathmatical training system
Name
MAT300
Professor Kevin Dent
9/13/2015
Aleks Mathmatical Training System
2
Pros and cons of the Aleks Mathmatical training system
Tutorial aspects
Pro:
Students can use the explain
Extra Credit Assignment 2
11/05/2015
Due Date: 11/19/2015
See attached Excel le. You will use it to answer the following questions.
1. See the rst column labeled "Sample 1". This is a sample of size 100 from
a discrete probability distribution.
a. Estimat
Case Study
1
BottlingCompanyCaseStudy
TonyaWilder
Dr.Gorczyca
Mat300:Statistics
Case Study
2
As a manager at a Bottling Plant it has come to the attention of the plant supervisor that
the drinks bottled at my location are not reaching the output of 24 oz.
Running Head: Assignment 1: Bottling Company Case Study
Page 1 of 6
Assignment 1: Bottling Company Case Study
Stephanie Carroll
Strayer University
MAT 300: Statistics
Prof. Arlene Rea
December 8th, 2016
Running Head: Assignment 1: Bottling Company Case St
Example: Calculating The Critical
Value
Find the Critical Value
n
15
c
0.95
zc
1.96
tc
2.145
(1 c) = 0.05
-zc = -1.645
ritical
= -1.645
Legend:
Given Data
Calculated Cells
Answers
c = 0.90
(1 c) = 0.05
z=0
zc = 1.645
Example: Using The Standard
Normal Tab
0.9468
0.0532
Left or Right z-scores
Lef
z
Right
Enter Data given in the problem
Answer (Do not touch!)
1.615
Area Between two z-scores
z1
0
Lef
z2
1.54
Right
0.4382
given in the problem
Do not touch!)
Normal Distributions: Finding Probabilities
x
39.5
33