# Precious metals

In 2006-2009, the value of precious metals changed rapidly. The data in the following table represent the total rate of return (in percentage) for platinum, gold, an silver from 2006 through 2009:

Year Platinum Gold Silver

2009 62.7 25.0 56.8

2008 -41.3 4.3 -26.9

2007 36.9 31.9 14.4

2006 15.9 23.2 46.1

a. Compute the geometric mean rate of return per year for platinum, gold, and silver from 2006 through 2009.

b. What conclusions can you reach concerning the geometric mean rates of the three precious metals?

Year Platinum Gold Silver

2009 62.7 25.0 56.8

2008 -41.3 4.3 -26.9

2007 36.9 31.9 14.4

2006 15.9 23.2 46.1

a. Compute the geometric mean rate of return per year for platinum, gold, and silver from 2006 through 2009.

b. What conclusions can you reach concerning the geometric mean rates of the three precious metals?

**Correct result:**Tips to related online calculators

Looking for a statistical calculator?

Our percentage calculator will help you quickly calculate various typical tasks with percentages.

Do you want to round the number?

Our percentage calculator will help you quickly calculate various typical tasks with percentages.

Do you want to round the number?

#### You need to know the following knowledge to solve this word math problem:

## Next similar math problems:

- Root

The root of the equation ? is (equal or greater or less than zero)? ? - Extending square garden

Mrs. Petrová's garden had the shape of a square with a side length of 15 m. After its enlargement by 64 m^{2}(square), it had the shape of a square again. How many meters has the length of each side of the garden been extended? - Evaluate - order of ops

Evaluate the expression: 32+2[5×(24-6)]-48÷24 Pay attention to the order of operation including integers - The tickets

The tickets to the show cost some integer number greater than 1. Also, the sum of the price of the children's and adult tickets, as well as their product, was the power of the prime number. Find all possible ticket prices. - Three members GP

The sum of three numbers in GP (geometric progression) is 21 and the sum of their squares is 189. Find the numbers. - Rate or interest

At what rate percent will Rs.2000 amount to Rs.2315.25 in 3 years at compound interest? - Add symbols

Add marks (+, -, *, /, brackets) to fullfill equations 1 3 6 5 = 10 This is for the 4th grade of the primary school - with no negative numbers yet - Cube 6

Volume of the cube is 216 cm^{3}, calculate its surface area. - Grower

Grower harvested 190 kg of apples. Pears harvested 10 times less. a) How many kg pears harvested? b) How many apples and pears harvested? c) How many kg harvested pears less than apples? - Prism X

The prism with the edges of the lengths x cm, 2x cm and 3x cm has volume 20250 cm^{3}. What is the area of surface of the prism? - Balls

Three metal balls with volumes V_{1}=71 cm^{3}V_{2}=78 cm^{3}and V_{3}=64 cm^{3}melted into one ball. Determine it's surface area. - About what

How much and how many times is 72.1 greater than 0.00721? - Time

Write time in minutes rounded to one decimal place: 5 h 28 m 26 s. - Theater

The theater has in each row with 19 seats. Ticket to the first 10 rows is for 30 USD. In next rows is for 15 USD. The theater was completely sold out. Revenue was 12255 USD. How many rows are in the theater? - Short cut

Imagine that you are going to the friend. That path has a length 120 meters. Then turn doprava and go another 630 meters and you are at a friend's. The question is how much the journey will be shorter if you go direct across the field? - Hens

11 hens will eat spilled grain from 6AM to 16 PM. At 11 hour grandmother brought 4 hens from the neighbors. At what time was grain out? - Movement

From the crossing of two perpendicular roads started two cyclists (each at different road). One runs at average speed 28 km/h, the second at average speed 24 km/h. Determine the distance between them after 45 minutes cycling.