1.Question :In general, an interval that contains a specified percentage of the individual measurements in a population is called a three sigma interval.

Student Answer: True

False

Points Received:1 of 1
Comments:

2.Question :A measurement located outside the outer fences of a box-and-whisker display is ____.

Student Answer: Always in the first quartile

An outlier

Always the largest value in the data set

Within the inner fence

Points Received:1 of 1
Comments:

3.Question :Stem-and-leaf displays and dot plots are useful for detecting

Student Answer:
Outliers

Skewness

Midpoint of data

All of the above

Points Received:1 of 1
Comments:

4.Question :When a population is skewed to the left or right with a very long tail, what is the best measure to use for central tendency.

Student Answer: Population mean

Population mode

Population median

Population standard deviation

Points Received:1 of 1
Comments:

5.Question :The science of using a sample to make generalizations about the important aspects of a population is known as

Student Answer: Statistical Process Control.

Descriptive Statistics.

A random sample.

Statistical Inference.

Points Received:1 of 1
Comments:

6.Question :The standardized value of any value in a population or sample is called

Student Answer: percentile

coefficient of variation

quartile

Z-score

Points Received:1 of 1
Comments:

7.Question :It is appropriate to use the Empirical Rule to describe a population that is extremely skewed.

Student Answer: True

False

Points Received:1 of 1
Comments:

8.Question :The population mean is the average of the...

...The general manager of the grocery store Wegmans in Canandaigua, NY, wants to know the average (typical) amount of time it takes for a customer to check out of his grocery store. Last Saturday between the hours of 8 am and noon the manager, along with a team of helpers, measured the amount of time it took the first 200 customers to check out at each of its open registers. The helpers recorded the time (in minutes) using a stop watch, starting when a customer first...

...Gas Prices
Nathaniel Peters
BUS 308: Statistics for Managers
Instructor: Ali Choudhry
August 8, 2011
Gas Prices
Delivery service is a way of life. Each day, people get packages sent to them by way of this service. But few people think of the costs the delivery company has to deal with. One of the main operating costs that we as a delivery company have is gasoline. We use gasoline daily in massive quantities. The cost of gas affects American’s daily, and...

...Question 1
2 / 2 pts
What is a capital investment?
What is a capital investment?
using money to buy goods or services
issuing shares of stock of the corporation
authorizing and issuing shares of common stock by a multinational corporation
committing resources to projects that have costs and benefits well into the future
Correct!
Question 2
2 / 2 pts
Estimating the expected cash inflows and outflows from proposed projects is performed...

...the written application of operation. It teaches students to think clearly, reason well and strategize effectively. Mental Mathematics is the ability to utilise mathematical skills to solve problems mentally. The marks scored by pupils generate statistics which are used by teachers to analyse a student’s performance and development of theories to explain the differences in performance.
The Standard 3 class is where the transition from junior to senior level occurs where...

...General Information
Part One (approximately 70 - 80% weight)
Overview:
Covers Chapters 1 – 5
Part One will begin promptly at 2:10 and end at 3:25. Students arriving late will not be given additional time. If you have a diagnosed learning disability which requires extra time, you must make arrangements with me at least one week in advance so arrangements can be made for you to take the exam at the ARC.
Consists of multiple-choice, true-false, short answer and short...

...
Quiz1
Each question is worth 2 points. Submit through your assignment folder by 11:59 PM EDT on September 7th.
I know I don’t need to remind anyone that UMUC’s academic integrity policies. We are all adults. We know that we shortchange only ourselves if we aren’t honest. This quiz needs to be completed without help from others. The work submitted must be your own.
What is the level of measure for each of the following:
Final grades in this...

...Week Two Assignment
BUS308: Statistics for Managers
Tiffany Aldridge
January 9, 2012
Week Two Assignment
Chapter 4: 4.4, 4.20
4.4
Suppose that a couple will have three children. Letting B denote a boy and G denote a girl:
a. Draw a tree diagram depicting the sample space outcomes for this experiment
b. List the sample space outcomes that correspond to each of the following events:
1) All three children...

...Trajico, Maria Liticia D.
BSEd III-A2
REFLECTION
The first thing that puffs in my mind when I heard the word STATISTIC is that it was a very hard subject because it is another branch of mathematics that will make my head or brain bleed of thinking of how I will handle it. I have learned that statistic is a branch of mathematics concerned with the study of information that is expressed in numbers, for example information about the number of times...