QNT 351 Assignments And DQs
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1) The main purpose of descriptive statistics is to
2) The general process of gathering, organizing, summarizing, analyzing, and interpreting data is called
3) The performance of personal and business investments is measured as a percentage, return on inve..

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Q1 The Director of Golf for a local course wants to study the number of rounds played by members on weekdays. He gathered the sample information shown below for 520 rounds. At the .05 significance level, is there a difference in the number of rounds played by day of the week?
2An a..

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QNT 351 Final Exam Guide (New, 2017) Score 30/3
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 ..

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QNT 351 Week 1 Connect Problem
1. Which of the following is an example of a continuous variable?
2. The incomes of 50 loan applicants are obtained. Which level of measurement is income?
3. The members of each basketball team wear numbers on their jerseys. What scale of measurement are..

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Week 1 DQ1
Where would you see descriptive statistics used in your work place?
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Week 1 DQ2
How would you define dependent and independent variables? What is their significance in research? Explain with examples.
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Week 1 DQ3
Develop five demographic questions to measure gender, age, years of experience, level of education, and ethnicity. Identify the level of measurement used for each
..

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Week 1 DQ4
How would you define a variable? What is the difference between a dependent and independent variable? Do you think both variables are used in every research? Explain why or why not. Provide examples.
..

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Week 1 DQ5
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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Week 1 DQ6
What are the four data measurement scales? Provide two examples and explain the importance of each in business research.
..

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This tutorial contains 2 different Sets of papers
Define statistics.
Identify different types of statistics.
Describe the role of statistics in business decision making.
Write a 300word summary providing at least three examples or problem situations in which statistics..

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Complete the Introduction to Statistical Thinking Worksheet.
Format your assignment consistent with APA guidelines.
Click the Assignment Files tab to submit your assignment.
1. There are 23 people at a party. Explain what the probability is that any two o..

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QNT 351 Week 2 Connect Problem
1. The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall semester on the basis of past experience.
a. What is the expected number of admissions for the fall semester?
b. Compute the v..

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Week 2 DQ1
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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Week 2 DQ2
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 decision...

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Week 2 DQ3
What level of data is a telephone number? Explain.
..

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Week 2 DQ4
Does all data have a mean, median, or mode? 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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Week 2 DQ5
Why is the population shape a concern when estimating a mean? What effect does sample size, n, have on the estimate of the mean?
..

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Question 1
Plot a 100% stacked column chart for television sales by year.
U.S. Television Sales, 2002  2005 ($ thousands)
Projection TV LCD TV Plasma TV
2002 3,574 246 515
2003 4,351 664 1,590
2004 6,271 1,579 2,347
2005 5,320 3,295 4,012
&n..

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This tutorial contains 2 different Sets of papers
Discuss with your team whether you have data from RES/351, and if your team would like to use one team memberâ€™s data for the Learning Team assignments in this course.
If using data from RES/351:
Resourc..

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Complete the Probability Worksheet.
Format your paper consistent with APA guidelines.
Click the Assignment Files tab to submit your assignment.
Maximum and Minimum Temperatures
Search the Internet for U.S. climate data.
Choose the city in which you live.
Click on the..

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Search the Internet for a realty site.
Select a hometown of someone on your team in the search section on the website you have chosen. When all of the listings populate, make sure that the sort criteria reads "New Listings." This ensures that you are searching a random crosssection of listin..

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Award: 10 out of 10.00 points
A sample of 43 observations is selected from a normal population. The sample mean is 30, and the population standard deviation is 3. Conduct the following test of hypothesis using the 0.05 significance level.
a. &n..

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Week 3 DQ1
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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Week 3 DQ2
What is the role of probability concepts in business decisionmaking? Provide specific examples.
..

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Week 3 DQ3
What are the basic differences between a discrete and a continuous distribution?
..

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Week 3 DQ4
What are the characteristics of standard normal distribution? Explain how to calculate the ztest static. Explain how a zvalue is used to calculate the area under the distribution and the meaning of P(0 to z) when z = 1.96.
..

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Week A B C D
1 1774 2205 1330 1402
2 1808 1507 1295 1665
3 1890 2352 1502 1530
4 1932 1939 1104 1826
5 1855 2052 1189 1703
6 1726 1630 1441 1498
Interpretation of Minimum and Maximum
Interpretation of Mean and Median
Interpretation of Stan..

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Resources: Appendix A1 at the end of Basic Statistics for Business and Economics
Answer question 68 in the Data Set Exercises from Ch. 3 of Basic Statistics for Business and Economics.
Answer question 34 in the Data Set Exercises from Ch. 4 of Basic Statistics for Business and Economics.
..

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Use the real estate data that you used for your learning team project that was due in Week 2.
Complete the Sampling Distributions  Real Estate Part 2 worksheet.
Format your assignment consistent with APA guidelines.
Click the Assignment Files tab to submit your assignment.
Re..
