QNT 351 Final Exam Guide
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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 investment. What type of variable is return on investment?
4) What type of variable is the number of robberies reported in your city?
5) What level of measurement is the number of auto accidents reported in a given month?
6) The names of the positions in a corporation, such as chief operating officer or controller, are examples of what level of measurement?
7) Shoe sizes, such as 7B, 10D, and 12EEE, are examples of what level of measurement?
8) Monthly commissions of firstyear insurance brokers are $1,270, $1,310, $1,680, $1,380, $1,410, $1,570, $1,180, and $1,420. These figures are referred to as
9) A small sample of computer operators shows monthly incomes of $1,950, $1,775, $2,060, $1,840, $1,795, $1,890, $1,925, and $1,810. What are these ungrouped numbers called?
10) The sum of the deviations of each data value from this measure of central location will always be 0
11) For any data set, which measures of central location have only one value?
12) A sample of single persons receiving social security payments revealed these monthly benefits: $826, $699, $1,087, $880, $839, and $965. How many observations are below the median?
13) A dot plot shows
14) The test scores for a class of 147 students are computed. What is the location of the test score associated with the third quartile?
15) The National Center for Health Statistics reported that of every 883 deaths in recent years, 24 resulted from an automobile accident, 182 from cancer, and 333 from heart disease. Using the relative frequency approach, what is the probability that a particular death is due to an automobile accident?
16) If two events A and B are mutually exclusive, what does the special rule of addition state?
17) A listing of all possible outcomes of an experiment and their corresponding probability of occurrence is called a
18) The shape of any uniform probability distribution is
19) The mean of any uniform probability distribution is
20) For the normal distribution, the mean plus and minus 1.96 standard deviations will include about what percent of the observations?
21) For a standard normal distribution, what is the probability that z is greater than 1.75?
22) A null hypothesis makes a claim about a
23) What is the level of significance?
24) Suppose we test the difference between two proportions at the 0.05 level of significance. If the computed z is 1.07, what is our decision?
25) Which of the following conditions must be met to conduct a test for the difference in two sample means?
26) Which of the following statements about the two sample sizes is NOT true? Assume the population standard deviations are equal.
27) What is the chart called when the paired data (the dependent and independent variables) are plotted?
28) What is the variable used to predict the value of another called?
29) Twenty randomly selected statistics students were given 15 multiplechoice questions and 15 openended questions, all on the same material. The professor was interested in determining on which type of questions the students scored higher. This experiment is an example of
30) The measurements of weight of 100 units of a product manufactured by two parallel processes have same mean but the standard of process A is 15 while that of B is 7. What can you conclude?
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QNT 351 Week 4 Learning Team Reflection
This tutorial contains 2 different sets
Discuss the following with your Learning Team:
The steps in testing a research hypothesis
Comparing the means of two or more groups
Calculating the correlation between..

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This tutorial contains 2 different Sets of papers
If using RES/351 data:
Revise the report submitted in Week Two based on the feedback provided by the instructor in the team assignment, and insight gained by reading.
Summarize the data collected using ..

This Tutorial was purchased 38 times & rated A by student like you.
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 member’s data for the Learning Team assignments in this course.
If using data from RES/351:
Resourc..

This Tutorial was purchased 26 times & rated A+ by student like you.
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..

This Tutorial was purchased 11 times & rated A+ by student like you. 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. Is this a one or twotailed test?
b. What ..

This Tutorial was purchased 33 times & rated No rating by student like you. 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 variance and ..

This Tutorial was purchased 8 times & rated A+ by student like you. 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 these numbe..

This Tutorial was purchased 8 times & rated A by student like you. 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 auditor for Amer..

This Tutorial was purchased 30 times & rated A by student like you. Complete the Real Estate Regression Exercise.
Format your paper consistent with APA guidelines.
Click the Assignment Files tab to submit your assignment.
You are consulting for a large real estate firm. You have been asked to construct a model that can predict listing prices based on square foot..

This Tutorial was purchased 14 times & rated B+ by student like you. QNT 351 Week 4 Connect Problem
1) The Production department of Celitronics International wants to explore the relationship between the number of employees who assemble a subassembly and the number produced. As an experiment, 2 employees were assigned to assemble the subassemblies. They produced 1..

This Tutorial was purchased 22 times & rated A by student like you. A tomato farmer with a very large farm of approximately 2200 acres had heard about a new type of rather expensive fertilizer which would supposedly significantly increase his production. The frugal farmer wanted to test the new fertilizer before committing the large investment required to fertilize ..

This Tutorial was purchased 10 times & rated A by student like you. 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.
1. Review the data an..

This Tutorial was purchased 29 times & rated A+ by student like you. 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 tab that reads “Daily..

This Tutorial was purchased 14 times & rated A by student like you. 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 listings rat..

This Tutorial was purchased 18 times & rated A by student like you. 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 of them share the same birthday.
2. A co..

This Tutorial was purchased 5 times & rated A by student like you. 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 per month?
• 0.1151
• 0.036..

This Tutorial was purchased 4 times & rated A+ by student like you. 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
Question 2
In a 2013 survey of emp..

This Tutorial was purchased 6 times & rated A+ by student like you. 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 Standard Deviation and Variance
Interpretation of t..

This Tutorial was purchased 5 times & rated A by student like you. Problem 1
Figure below gives the boxplots comparing the base yearly salaries of employeesin marketing and employees in research for a large company. Identify the five number summaries. for each profession. Interpret them like we did in the class.
Problem 2
An insurance company determines that..
