AlgII Stats Practice

Front

What is the formula to convert Canadian Dollars to U.S. Dollars?

Back

Multiply the amount in Canadian Dollars by the exchange rate (1 CAD = 0.73 USD).

Front

How do you calculate the total cost including sales tax?

Back

Total Cost = Price + (Price × Sales Tax Rate).

Front

What is the formula for calculating percent decrease?

Back

Percent Decrease = ((Old Price - New Price) / Old Price) × 100.

Front

What does standard deviation measure in a data set?

Back

Standard deviation measures the average distance that data points are from the mean.

Front

How do you find the range of a percentage with a margin of error?

Back

Range = (Percentage - Margin of Error) to (Percentage + Margin of Error).

Front

What is the sales tax rate in Evergreen?

Back

The sales tax rate in Evergreen is 4.5%.

Front

If a vase is priced at $83.22 and is now $64, what is the percent decrease?

Back

Percent Decrease = ((83.22 - 64) / 83.22) × 100 = 23%.

Front

What is the total cost of an item priced at $82.25 with a 4.5% sales tax?

Back

Total Cost = 82.25 + (82.25 × 0.045) = $85.95.

Front

What is the average distance of data points from the mean called?

Back

Standard Deviation.

Front

How do you calculate the total cost of multiple items?

Back

Total Cost = Number of Items × Price per Item.