Reference no: EM13915100

The file VeggieBurger contains data on the calories and total fat (in grams per serving) for a sample of 12 veggie burgers.

a. Construct a scatter plot with calories on the X axis and total fat on the Y axis.

b. What conclusions can you reach about the relationship between the calories and total fat in the veggie burgers?

VeggieBurger
Calories	Fat
110	3.5
110	4.5
90	3.0
90	2.5
120	6.0
130	6.0
120	3.0
100	3.5
140	5.0
70	0.5
100	1.5
120	1.5

Is there a difference in the variation of the yields of different types of investments? The file CDRate contains the yields for a one-year certificate of deposit (CD) and a five-year certificate of deposit (CD) and a five-year certificate of deposit (CD) for 23 banks in the US, as of April 4, 2011.

a. For one-year and five year CDs, separately compute the variance, standard deviation, range and coefficient of variation.

b. Based on the results of (a), do one-year or five-year CDs have more variation in the yields offered? Explain.

Bank	One-Year	Five-Year
AIG	1.15	2.20
Ally	1.24	2.40
American	0.85	2.35
Astoria Federal	0.75	2.65
Bank of Internet USA	1.21	2.49
Centennial	0.60	2.12
Colorado federal	1.25	2.30
Discover	1.20	2.30
First Internet Bank of Indiana	1.00	2.40
Goldwater	1.24	2.39
Intervest National	1.20	2.39
Lone Star	0.80	2.38
MetLife	1.25	1.90
Nationwide	1.20	2.55
newDominion	1.16	2.00
Nova	0.90	2.25
OneWest	1.20	2.55
Salem Five	0.60	2.00
State farm	0.80	2.43
National Republic Bank of Chicago	1.26	2.27
Transportation Alliance	1.20	2.28
USAA	0.91	2.25
VirtualBank	1.11	2.22