The Pew Research Center asked a random sample of adults whether they had favorable or unfavorable opinions of a number of major companies. Here are the percents with favorable opinions for several of the companies:
Company Percent Favorable
Apple 71
Ben and Jerry’s 59
Coors 53
Exxon/Mobil 44
Google 73
Halliburton 25
McDonald’s 71
Microsoft 78
Starbucks 64
Wal-Mart 68
Make a graph that displays these data. Use a straight edge, write neatly and label everything. What kind of data is this? Does that affect your choice of a graph?
The Pew Research Center asked a random sample of adults whether they had favorable or unfavorable...
Rank
Company Name
Return
1
Apple
14.8
2
Amazon.com
29.8
3
Google
49.3
4
Berkshire Hathaway
11.7
5
Starbucks
27.1
6
Coca-Cola
1.4
7
Walt Disney
33.8
8
FedEx
24.4
9
Southwest Airlines
84.5
10
General Electric
12.3
11
American Express
39.6
12
Costco Wholesale
8.1
13
Nike
32.8
14
BMW
15.1
15
Procter & Gamble
4.1
16
IBM
-12.4
17
Nordstrom
5.8
18
Singapore Airlines
-13.9
19
Johnson & Johnson
20.5
20
Whole Foods Market
13
21
Samsung Electronics...
1. Calculate the mean and standard deviation for each variable
using formulas or functions. 2. Calculate descriptive statistics
for each variable using the Analysis Toolpak. 3. Calculate the
coefficient of variation for each variable. What general
interpretation can you make from these values? 4. Calculate the
correlation between Revenue and Employees using a formula.
Calculate the coefficient of determination. 5. Create a correlation
matrix for the eight numerical variables. Note any relationship of
interest
Rank
COMPANY NAME
City
State
Revenue...