# QNT 275 Entire Course

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QNT 275 Entire Course

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QNT 275 Week 1 Statistics in Business

Purpose of Assignment

The purpose of this assignment is to have students demonstrate mastery of the foundational concepts that set the stage for the remainder of the course. Students apply those concepts to business research questions or problem situations to focus their thinking on statistical literacy for use in business decision-making.

Assignment Steps

Resources: Week 1 Readings; Statistics Lab

Tutorial help on Excel® and Word functions can be found on the Microsoft® Office® website. There are also additional tutorials via the web that offer support for office products.

Develop a 1,050-word response addressing each of the following prompts:

• Define statistics with citation and reference.

• Contrast quantitative data and qualitative data. Use two peer reviewed references.

• Evaluate tables and charts used to represent quantitative and qualitative data.

• Describe the levels of data measurement.

• Describe the role of statistics in business decision-making.

• Provide at least two business research questions, or problem situations, in which statistics was used or could be used.

Use two peer reviewed references.

Format your assignment consistent with APA guidelines.

Click the Assignment Files tab to submit your assignment.

QNT 275 Week 1 Practice Set

Complete the Week 1 Practice Set problems.

Click the Assignment Files tab to submit your assignment.

Practice Set 1

# Practice Set 1

1. The following table lists the number of deaths by cause as reported by the Centers for Disease Control and Prevention on February 6, 2015:

 Cause of Death Number of Deaths Heart disease 611,105 Cancer 584,881 Accidents 130,557 Stroke 128,978 Alzheimer’s disease 84,767 Diabetes 75,578 Influenza and Pneumonia 56,979 Suicide 41,149

1. What is the variable for this data set (use words)?

1. How many observations are in this data set (numeral)?

1. How many elements does this data set contain (numeral)?

1. Indicate which of the following variables are quantitative and which are qualitative.

Note: Spell quantitative and qualitative in lower case letters.

1. The amount of time a student spent studying for an exam

1. The amount of rain last year in 30 cities

1. The arrival status of an airline flight (early, on time, late, canceled) at an airport

1. A person’s blood type

1. The amount of gasoline put into a car at a gas station

1. A local gas station collected data from the day’s receipts, recording the gallons of gasoline each customer purchased. The following table lists the frequency distribution of the gallons of gas purchased by all customers on this one day at this gas station.
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