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Bus 310 Midterm Exam Answers
- Course
- BUS 310
- Institution
- University Of Hawaii - Manoa
This is a comprehensive and detailed midterm exam answers for Bus 310. *Essential Study Material!!
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EXAM ONE BUS 310 B Name Ms. AnswersOnly hard copies and handheld calculator. Pen, pencil, paper
Study Material is located on Laulima -> Resources -> Midterm/Handouts/Exam Handouts
1. Midterm
a. Multiple choice: 5-7 questions worth 1 point each. Target questions that
have more points to complete first.
b. Control Chart
i. In control or not. Why not. Give the rules
c. Probability
i. Laulima -> Probability Zip -> 5C Conditional Probability, #8
ii. Answers should be in percentages NOT FRACTIONS
d. CT, VAR, SHAPE
e. Table, Chart, Box and Whisker
Exam 1 Study Guide (Vocabulary Terms and Definitions)
Handout (STATS UP TO NOW)
Chapter 14 Control Chart Handout
Exams test you on what you’re read in text, summarized in class, covered in
quizzes and PSs.
A few situations follow that require you to choose an appropriate term for the job. To
refresh your memory some of the charts, tables, and summary measures that you have
used include:
A. P Chart B. Range (R) and Mean Charts (Xbar)
C. Frequency Distribution D. Histogram
E. Polygon F. Cumulative Percentage Polygon
G. Bar Chart H. Pareto Chart
I. Pie Chart J. Box-and-Whisker Plot
K. Stem and Leaf Display L. Cross Tabulation (Contingency) Table
M. Normal Probability Plot N. Summary Table
1. Mean 2. Median
3. Quartiles 4. Range
5. Standard Deviation 6. Skewness
7. Kurtosis 8. Coefficient of Variation
9. Interquartile Range 10. 5 Number Summary
You are employed as an assistant manager at Starbucks and you have the following 7
situations in which you need use your expertise in statistics. For each of the next 7
questions, choose the most appropriate table, chart, display, graph, plot, summary
measure, or name that best fits the situation. Though there may be multiple correct
answers, choose only one and write the letter or number in the box below the question.
1. You are tracking the dollar amount customers spend at the café per visit and you wish to
report a measure of central tendency. However you are concerned with a large number of
outliers on both the high and low sides.
2 1N var, want central tend, has outliers
2. You wish to have a useful measure of the variability in espresso drink preparation time. A
look at a stem-and-leaf display shows data that is normal in shape.
5 Want var, 1N, data is norm
, 3. You wish to present information concerning total amount spent on products for each of the
major 6 item categories in the café (e.g. espresso drinks, cold drinks, baked goods, etc.)
C 1N1C only presenting, no visual, not number
4. You have data on the total amount of time each customer spends at the cafe. You wish to
visually compare the shape of the frequency of this data to a bell-shaped curve.
M 1N, visual, shape, know freq w.r.t Bell
5. Every day a sample of 5 to 10 pre-packaged bags of coffee beans are taken from the shelf
and inspected and the number that are defective (open bags, torn labels, holes, freshness,
etc.) is counted for the entire sample. You want a chart that helps you ensure high quality.
A 1C, sample over time, quality
6. You have a table listing 10 different customer complaints as well as the frequency of each
complaint. You want a graph, chart, or plot that would be useful to help you to determine the
most frequent reasons for customer complaints.
G 1C, visual, many categories
7. There are 5 work shifts per day. You want a table that shows percentage of customers who
complain for each shift for a given day.
L 2C, table
2
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