THE COLLEGE OF THE BAHAMAS
BUSINESS STATISTICS
FIRST EXAM
STATISTICS 201
TIME: 2 Hours
DIRECTIONS: Answer all 10 questions and a Bonus
SEMESTER 01-2013
TOTAL: 110 PTS.
Ms. N. Cooper & Dr. J.V.
Q1. The following table shows the starting salaries of a sampl
Chapter Six: Continuous Probability Distribution
Continuous Random Variables
A random variable is continuous if it can assume any number in an interval or
collection of intervals
For a continuous random variable the probability of any particular value is
Experiments, Counting Rules, Assigning Probabilities 141
Sample Size A sample size for an experiment is the set of all experimental outcomes. An
experimental outcome is also called a sample point.
Combinations 145
This Allows one to count the number of ex
THE COLLEGE OF THE BAHAMAS
BUSINESS STATISTICS
THIRD EXAM
STATISTICS 201
TIME: 1:30 Hours
DIRECTIONS: ANSWER ALL question and the Bonus
SEMESTER 02-2016
TOTAL: 110 PTS.
Dr.J.V.C.
Q1. The average price of cell phones manufactured by Ahmadi, Inc. is $196 wi
USING THE Z-TABLE
Learning to use the table of the standard normal distribution is extremely important! Make sure
you can do problems like these without difficulty. Note that the total area under the normal
curve is 1.000, with 0.500 in each half. At the
THE COLLEGE OF THE BAHAMAS
BUSINESS STATISTICS
FIRST - EXAM
TIME ALLOWED: 2 Hours (110 points)
INSTRUCTIONS: Answer ALL QUESTIONS & THE BONUS.
COURSE: STAT201
N.C. & J.V. 04-2012
Q1. For each of the following, indicate whether the appropriate variable wou
Ratio
Current Ratio
Quick Ratio
Inventory Turnover
Days Sales Outstanding
Fixed Assets Turnover
Total Assetes Turnover
Debt Ratio
Profit Margin
Return on Total Assets
Return on Common Equity
Price/Earnings Ratio
Industry Average Comment
2.3 times
0.8 time
Lynford Scavella
Portfolio
Stock selection
Through research carried out about the market (in terms of stock highs and lows) and from
general knowledge, I have chosen a variety of stocks from a wide range of categories including
industrial; gaming and ente
Views on Euthanasia
Islam Beliefs
Islamic people are against euthanasia. It is said to
be that they believe that life is sacred because it is
given by Allah (God). They believe that Allah
chooses how long a person lives and when a
person should die. They
120000
100000
80000
60000
Year
Price
Shipping Cost
Tax Price
40000
20000
0
Skyline
Toyota RAV4 Ford F-150
BMW X5 M Honda Civic
Jaguar
Audi Q5 Cheverolet Trax
Dodge Durango
Ford Explorer Sport
Model
Skyline
Toyota RAV4
Ford F-150
BMW X5 M
Honda Civic
Jagua
BIOL 100 Worksheet # 2
Spring 2016
Name:_
Date:_
Instructions:
Worksheet 2 consists of all multiple-choice questions. There are 10 questions in total, each worth 1
point. Also, there are 2 bonus point questions (for 2 extra pts.) at the end of the quiz. R
Chapter 3
Central Tendency: Mean Media & Mode 78
Mean average value of a variable. It provides a measure of central location. It is denoted by . It
is a point estimator of
.=
Median value in the middle when data is arranged in ascending order. It provides
STAT 209
SPSS Assignment 3
1
Using SPSS complete the following assignment. All answers MUST be emailed to
[email protected] on or before Thursday, November 24th, 2016 at
midnight with a Microsoft word file attachment in a readable format. In t
1. Let Z represent a standard normal random variable. Find the probability
P(1<Z<2)
2. Let X be a normal random variable with mean 9 and standard deviation 2. Find the probability
P(X>5.08)
3. Please find z such that
P(Z<z)= 0.9332
4. Suppose the percenta
The estimated simple linear regression equation is:
The point estimator of E(y), the mean value for a given value of x is .
or
The intercept of the line is and the slop of the line is.
or
R2 = or
SSR = SST SSE
MSE =
Adjusted R2 =
Multiple R =
MSR =
- Regr
Jerusha Albury
000-07-5416
STAT201
Homework Chapter 1
2)
a) 9 elements
b) 4 variables
c) Country and room rate are qualitative. Number of rooms and overall score are quantitative.
d) Country nominal, Room rate ordinal, Number of rooms ratio, Overall score
Tyra Duncombe
Stats 201
Thorndike mini case (Thorndike video unit four).
For 20 racquets subjected to this severe test, the weight (in pounds) at which each one failed was
as follows: For 20 racquets subjected to this severe test, the weight (in pounds) a
mriff76:
Managerial Report Use the numerical methods of descriptive statistics presented in this chapter
to learn how these variables contribute to the success of a motion picture. Include the following
in your report.
1. Descriptive statistics for each o
Tyra Duncombe
Stats201
Homework Exercise
The best refrigerators are fitted with robust steels and insulation to protect their interior
compartments from variations in exterior temperature. Firmengruppe Liebherr produces
refrigerators weighted by the indus
Tyra Duncombe
Stat201
Mr. Derek Rolle
Homework; Part 1.
Due: Saturday, Feb 7, 2015
Thysenkrupp makes people moving equipment, like elevators, escalators and moving sidewalks.
They are best known in the industry however for making jet breakers (self-articu
Tyra Duncombe
Stat201
Mr. Derek Rolle
Case Problem: Motion Picture Industry
Due: Saturday, Feb 7, 2015
The motion picture industry is a competitive business. More than 50 studios produce a total of
300 to 400 new motion pictures each year, and the financi
Tyra Duncombe
Stat201
Mr. Derek Rolle
Homework; Part 2
Due: Saturday, Feb 7, 2015
Of reemployed US adults at age 25 or older, 89.3% have completed high school education, while
28% have completed college. If you were to designate H as having completed high
Question 1
A researcher asked 25 customers: How much would you pay for a television adapter with
Internet Access? Their grouped responses are as follows:
Class Interval
Freq
0-99
100-199
200-249
250-299
300-349
350-399
400-499
500-999
2
2
3
3
6
3
4
2
a) C
STAT 209 Homework 3
Topic: Regression Analysis
Due: Homework 3 due: In class Wednesday/Thursday November 30th/December 1st
Instructions: Answer the question fully.
1. Does the oxygen level in water stimulate plant growth? A research team measured
differen
STAT 209 Homework 3
Topic: Regression Analysis
Due: Homework 3 due: In class Wednesday/Thursday November 30th/December 1st
Instructions: Answer the question fully.
1. Does the oxygen level in water stimulate plant growth? A research team measured
differen
1. Let Z represent a standard normal random variable. Find the probability
P(1<Z<2)
2. Let X be a normal random variable with mean 9 and standard deviation 2. Find the probability
P(X>5.08)
3. Please find z such that
P(Z<z)= 0.9332
4. Suppose the percenta
Final Exam Review
Introduction to Biostatistics, Fall 2005
Overview
Topics covered since midterm:
Confidence Intervals
Proportions
Contingency tables
ANOVA
Correlation/Regression
Clinical Trials
Concepts
Point and Interval Estimation
Mean, Proporti