Business Analytics
3rd Edition
ISBN: 9780135231715
Author: Evans
Publisher: PEARSON
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Chapter 3, Problem 8PE
Create a bubble chart for the first five colleges in Excel file Colleges and Universities for which the
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The local Ice Cream shop keeps a track of how much ice cream they sell vs. the temperature on that day. Here are their figures for the last 12 monthly:
Month: Jan., Feb., Mar., Apr., May, Jun., Jul., Aug., Sep., Oct., Nov., Dec.
Temperature in Ferenheit: 57.5, 61.5, 53.4, 59.3, 65.3, 71.7, 66.9, 77.1, 74.1, 64.5, 72.6, 62.9
Ice Cream Sales: 215, 325, 185, 332, 406, 522, 412, 614, 544, 421, 445, 408
How does the average monthly temperature affect the number of ice cream they sell vs the temperature on that day?
uppose Laura, a facilities manager at a health and wellness company, wants to estimate the difference in the average amount of time that men and women spend at the company's fitness centers each week.
Laura randomly selects 13 adult male fitness center members from the membership database and then selects 13 adult female members from the database. Laura gathers data from the past month containing logged time at the fitness center for these members. She plans to use the data to estimate the difference in the time men and women spend per week at the fitness center. The sample statistics are summarized in the table.
Population
Populationdescription
Population mean(unknown)
Samplesize
Sample mean(min)
Sample standarddeviation (min)
1
male
?1
?1=13
?⎯⎯⎯1=132.5
?1=45.3
2
female
?2
?2=13
?⎯⎯⎯2=108.7
?2=31.1
df=21.256
The population standard deviations are unknown and unlikely to be equal, based on the sample data. Laura plans to use the two-sample ?-procedures to estimate the…
Jamie's grade point average is
Chapter 3 Solutions
Business Analytics
Ch. 3 - Prob. 2PECh. 3 - Create a line chart for the closing prices for all...Ch. 3 - Create a pie chart showing the breakdown of...Ch. 3 - Create a stacked area chart contrasting primary...Ch. 3 - A national homebuilder builds single-family homes...Ch. 3 - The Excel file Facebook Survey provides data...Ch. 3 - Create a bubble chart for the first five colleges...Ch. 3 - Construct a column chart for the data in the Excel...Ch. 3 - The Excel file Internet Usage provides data about...Ch. 3 - Construct an appropriate chart to show the...
Ch. 3 - A marketing researcher surveyed 92 individuals,...Ch. 3 - In the Excel file Banking Data, apply the...Ch. 3 - Apply three different colors of data bars to...Ch. 3 - For the Store and Regional Sales database, apply a...Ch. 3 - For the Excel file Closing Stock Prices, apply...Ch. 3 - Create a useful dashboard for the data in the...Ch. 3 - Create a useful dashboard for the data in the...Ch. 3 - Create a useful dashboard for the data in the...
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- If you graph a revenue and cost function, explain how to determine in what regions there is profit.arrow_forwardIf you are performing a break-even analysis for a business and their cost and revenue equations are dependent, explain what this means for the company's profit margins.arrow_forwardA multiplier of 1.85 corresponds to a percentage increase or decrease of what percent?arrow_forward
- The population for a particular region is now 337,437,627 and in 2001 it was 273,551,478. The relative change is what percentarrow_forwardSuppose classmates who graduated in 2004 compared their median incomes ten years later. The bar graph displays the median income, in thousands of dollars, for each classmate during the time intervals from 2005‑2009 and 2010‑2014. For the individual with the largest dollar value increase in median income over the two time intervals, determine the amount of increase.arrow_forwardIn 1985, the cost of a Big mac was $1.69. In 2015, the cost of a big mac was $4.79. By comparison, the CPI-U in 1985 was 107.6, and the CPI-U in 2015 was 237.0. Remember that the consumer price index for urban consumers shows how the prices for goods and services change over time for people living in cities. From 1985 to 2015, how did the price of a big mac change compare to the change in CPI-U?arrow_forward
- The data in the picture contains purchase data for golf purchases. Create a doughnut chart in Excel to compare the purchases by gender each year with the US population. Below the chart, explain what it illustrates.arrow_forwardIn the middle of the year, the price of raw material decreased by 8%. How would this increase affect the company's break-even point and margin of safety? Increase Break-even point & Increase margin of safety Decrease Break-even point & Decrease margin of safety Decrease Break-even point & Increase margin of safety Increase Break-even point & Decrease margin of safetyarrow_forwardthe data file is just a blank excel sheet, you do not need to see it to access information.arrow_forward
- The report, “The Older Population: 2010” also indicates that in 1900 approximately 4% of the U.S. population was made up of individuals who were 65 years or older, while in 2010 this same age group made up about 13% of the population. Write a complete sentence that describes the relative change in the percentage of people 65 years or older.arrow_forwardThe median annual income for workers aged 25 or older in the United States in 2014 was $48372 for an associate’s degree and $52655 for a bachelor’s degree. The annual income for adults with a bachelor’s degree is what percent greater than for adults with an associate’s degree?arrow_forwardThe price of a commodity increased by 10% in the first year and by 20% in the second year. However, it decreased by 40% in the third year. But it again started rising and increased by 5% in the fourth year. Find the average increase or decrease in the price of the commodity over the period of four years.arrow_forward
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