# QNT 351

**QNT 351 Quantitative Analysis for Business**

QNT 351 Complete Class NO LAB
QNT 351 Week 1 DQ 1
QNT 351 Week 1 DQ 2
QNT 351 Week 1 DQ 3
QNT 351 Week 1 DQ 4
QNT 351 Week 1 DQ 5
QNT 351 Week 1 Individual Statistics in Business
QNT 351 Week 2 DQ 1
QNT 351 Week 2 DQ 2
QNT 351 Week 2 DQ 3
QNT 351 Week 2 DQ 4
QNT 351 ..

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QNT 351 Final Exam Guide
1) The main purpose of descriptive statistics is to
A. summarize data in a useful and informative manner
B. make inferences about a population
C. determine if the data adequately represents the population
D. gather or collect data
2) The general p..

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QNT 351 Final Exam Guide (New, 2019) Score 30/30 NEW
The mean amount spent by a family of four on food is $500 per month with a standard deviation of $75. Assuming that the food costs are normally distributed, what is the probability that a family spends less than $410 per month?
0.1151
0..

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QNT 351 Week 1 DQ 1
How would you define statistics? How is statistics used in business decision making?
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QNT 351 Week 1 DQ 2
What is the importance of statistics in business decision making? Describe a business situation where statistics was used in making a decision.
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QNT 351 Week 1 DQ 3
How would you define dependent and independent variables? What is their significance in research? Explain with examples.
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QNT 351 Week 1 DQ 4
How do you select measurement levels when developing a survey or data collection tool? Explain with examples.
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QNT 351 Week 1 DQ 5
What are the four data measurement scales? Explain with examples.
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QNT 351 Week 1 Individual Statistics in Business
Write a 300-word summary that addresses the following criteria:
· Define statistics.
· Identify different types and levels of ..

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QNT 351 Week 2 DQ 1
Describe a business situation, other than what has already been selected by fellow students or selected from the team assignment, where mean and standard deviation can be used in decision making. Describe how calculation of mean and standard deviation can help in making a deci..

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QNT 351 Week 2 DQ 2
Can mean, median, or mode be calculated from all statistical data? Explain why or why not. When is the mean the best measure of central tendency? When is the median the best measure of central tendency?
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QNT 351 Week 2 DQ 3
Select four variables, other that what your fellow students have already selected, that could be measured by nominal, ordinal, interval, and ratio scale. Classify them by measurement scale and select descriptive statistics that can be used to summarize data. Use following tabl..

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QNT 351 Week 2 DQ 4
Why it is important to find the shape of data distribution before computing descriptive statistics? Do all variables follow normal distribution? Explain why or why not. Explain with examples.
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QNT 351 Week 2 Learning Team Data Collection (Attachments Includes Power Point Presentation And Paper)
Resources: Ballard Integrated Managed Services, Inc., Part 1
Review the Ballard Integrated Managed Services, Inc. (BIMS), Part 1 case study overview.
Prepar..

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QNT 351 Week 3 DQ 1
What are the differences between probability and coincidence? Can the probability be more than 1 or less than 0? Explain why or why not.
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QNT 351 Week 3 DQ 2
What are some conditions under which business decisions are made using subjective probability concepts? Provide at least two examples of subjective probability.
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QNT 351 Week 3 DQ 3
What is the role of probability concepts in business decision-making? Explain using a specific example.
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QNT 351 Week 3 DQ 4
Provide an example of a discrete data in your work situation that at least approximately obeys the four characteristics of the Binomial distribution.
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QNT 351 Week 3 DQ 5
What are the characteristics of standard normal distribution? The HR department of an organization collects data on employees’ age, salary, level of education, gender, and ethnicity. Which data do you think is more likely to follow normal distribution? Explain why.
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QNT 351 Week 3 Learning Team Summarizing and Presenting Data
Prepare a 1,050- to 1,750-word report of conclusions drawn from the data and make recommendations to the management.
Support recommendations by citing literature consistent with APA guidelines.
If using the Ballard Integ..

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QNT 351 Week 4 DQ 1
What are the five steps in the hypothesis testing procedure? Are the steps followed in sequence? Explain why or why not. How does the five-step procedure for hypothesis testing differ when comparing two groups using a t- or z-test? How is the process similar?
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QNT 351 Week 4 DQ 2
Under what conditions would you use a t-test as opposed to a z-test? Can you use the t-table to determine the critical value of the z-test? Explain why. What are the differences between a one-tailed and a two-tailed test?
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QNT 351 Week 4 DQ 3
What are the key terms in a verbal hypothesis that signify whether you are conducting a one–tailed or two-tailed test? Explain with an example and also state the Null and the Alternative hypothesis for the example in symbolic form.
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QNT 351 Week 4 DQ 4
Think of an example of the use of one sample hypothesis testing at your workplace. How will you state the hypothesis as a Null and the Alternative hypothesis?
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QNT 351 Week 4 Learning Team Reflection
Discuss the following with your Learning Team:
· The steps in testing a research hypothesis
· Comparing the means of two or more groups
· ..

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QNT 351 Week 5 DQ 2
In what way has the learning from this course helped you to effectively test hypotheses, draw conclusions, and provide recommendations to management? Consider what you have achieved in your research study conducted for this course.
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QNT 351 Week 5 DQ 3
What type of data is best described using a Time Series? Think of an example from your work place or from your day to day experience.
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QNT 351 Week 5 Learning Team Analyzing and Interpreting Data (Attachment Contains PowerPoint Presentation and Papers)
Resource: Ballard Integrated Managed Services, Inc., Part 2.
Read the Ballard Integrated Managed Services, Inc., Part 2. Your team acts as a consultant group that analyze..

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