Business Statistics Multiple Question 1-15

  

Answer the following Multiple choice Question 1-15 in the attach file below.
business_statis_wk8_1_15.docx

Unformatted Attachment Preview

Don't use plagiarized sources. Get Your Custom Essay on
Business Statistics Multiple Question 1-15
Just from $10/Page
Order Essay

QUESTION 1
A portion of the population selected to represent the population is called
statistical inference
Data and Statistics
a census
a sample
QUESTION 2
The process of analyzing sample data in order to draw conclusions about the
characteristics of a population is called
Data and Statistics
statistical inference
data analysis
data summarization
QUESTION 3
A numerical value used as a summary measure for a sample, such as sample mean, is
known as a
population parameter
sample parameter
sample statistic
population mean
QUESTION 4
The set of all possible sample points (experimental outcomes) is called
a sample
an event
the sample space
a population
QUESTION 5
A numerical description of the outcome of an experiment is called a
descriptive statistic
probability function
variance
random variable
QUESTION 6
A description of the distribution of the values of a random variable and their associated
probabilities is called a
probability distribution
random variance
random variable
expected value
QUESTION 7
Which of the following is not a characteristic of the normal probability distribution?
The mean, median, and the mode are equal
The mean of the distribution can be negative, zero, or positive
The distribution is symmetrical
The standard deviation must be 1
QUESTION 8
A theorem that allows us to use the normal probability distribution to approximate the
sampling distribution of sample means and sample proportions whenever the sample
size is large is known as the
approximation theorem
normal probability theorem
central limit theorem
central normality theorem
QUESTION 9
The value added and subtracted from a point estimate in order to develop an interval
estimate of the population parameter is known as the
confidence level
margin of error
parameter estimate
interval estimate
QUESTION 10
Whenever the population standard deviation is unknown and the population has a
normal or near-normal distribution, which distribution is used in developing an interval
estimation?
standard distribution
z distribution
alpha distribution
t distribution
QUESTION 11
The level of significance
can be any positive value
can be any value
is (1 – confidence level)
can be any value between -1.96 to 1.96
QUESTION 12
When the p-value is used for hypothesis testing, the null hypothesis is rejected if
p-value ≤ α
α < p-value p-value ≥ α p-value = 1 - α QUESTION 13 The p-value is a probability that measures the support (or lack of support) for the null hypothesis alternative hypothesis either the null or the alternative hypothesis sample statistic QUESTION 14 The coefficient of correlation is the square of the coefficient of determination is the square root of the coefficient of determination is the same as r-square can never be negative QUESTION 15 Regression analysis is a statistical procedure for developing a mathematical equation that describes how one independent and one or more dependent variables are related several independent and several dependent variables are related one dependent and one or more independent variables are related None of these alternatives is correct. ... Purchase answer to see full attachment

Place your order
(550 words)

Approximate price: $22

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
$26
The price is based on these factors:
Academic level
Number of pages
Urgency
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more

Order your essay today and save 30% with the discount code ESSAYSHELP