#### Business Stat CH1

Buy an essay today

Business Stat CH1

A population is a set of existing units.

???

If we examine some of the population measurements, we are conducting a census of the

population.

???

A random sample is selected so that on each selection from the population every unit remaining in the

population has an equal chance of being chosen.

???

A process is in statistical control if it does not exhibit any unusual variations.

???

An example of a quantitative variable is the make of a car.

???

An example of a qualitative variable is the mileage of a car.

???

Statistical inference is the science of using a sample of measurements to make generalization about the

important aspects of a population of measurements.

???

If we sample without replacement, we do not place the unit chosen on a particular selection back into

the population.

???

By taking a systematic sample, in which we select every 100th shopper arriving at a specific store, we

are approximating a random sample of shoppers.

???

Statistical methods help to:

???

Ratio variables have the following characteristics:

???

When we are choosing a random sample and we do not place chosen units back into the population,

we are:

???

Which of the following is a quantitative variable?

???

Which of the following is a categorical variable?

???

Measurements from a population are called

???

In studying processes, we are interested in examining a characteristic that tells us about the _____ of

output.

???

The two types of quantitative variables are:

???

Temperature (in degrees Fahrenheit) is an example of a(n) ________ variable.

???

Jersey numbers of soccer players is an example of a(n) ___________ variable

???

Weights of items obtained using a well-adjusted scale represents a(n) _____________ level of

measurement.

???

An identification of police officers by rank would represent a(n) ____________ level of

measurement.

???

__________ is a necessary component of a runs plot.

???

______________ is the science of using a sample to make generalizations about the important aspects

???

College entrance exam scores, such as SAT scores, are an example of a(n) ________________

variable.

???

The number of miles a truck is driven before it is overhauled is an example of a(n) _____________

variable.

???

Which one of the following sampling examples would generally lead to the least reliable statistical

inferences about the population from which the sample has been selected?

???

A(n) ___________________ variable is a qualitative variable such that there is no meaningful

ordering or ranking of the categories.

???

A person’s telephone area code is an example of a(n) _____________ variable.

???

Any characteristic of a population unit is a(n):

???

A list of all of the units in a population is called _____.

???

In order to improve the quality of products and services, we must remove the root causes of process

_____.

???

Any characteristic of a population is called a _____.

???

The goal of _____ is to stabilize and reduce the amount of process variation.

???

A _____ is an examination of all the units in a population.

???

_____ is the difference between a numerical description of the population and the corresponding

description of the sample.

???

A _____ is a list of all the units in a population.

???

The process of assigning a value of a variable to each unit in a population or sample is called

_____.

???

A ____ is a display of individual process measurements versus time

???

Statistical _____ refers to using a sample of measurements making generalizations about the important

aspects of a population.

???

A _____ is a subset of the units in a population.

???

A _____ variable can have values that are numbers on the real number line.

???

A sequence of operations that takes inputs and turns them into outputs is a _____.

???

A _____ variable can have values that indicate into which of several segments of a population it

belongs.

???

A set of existing units we wish to study is called a _____.

???

_____ refers to describing the important aspects of a set of measurements.

???

In situations when it is not possible to number all of the units in a population, we often use a _____

sample to approximate a random sample.

???

A runs plot with an erratic pattern would indicate that the process is __

???

If a unit is placed back into the population after being selected for a sample, we are sampling

_____.

???

A _____ is used to help select items for a random sample.

???

A process that is in statistical control does not necessarily imply that the process is __________.

???

A consumer’s yes/no reply to a survey question is what type of variable?

???

The change in daily price of a stock is what type of variable

???

In a voluntary response sample, what types of opinions are usually expressed?

We can offer a similar ASSIGNMENT at a reasonable price. All our papers are written from the scratch and 100% plagiarism free.