Additive, multiplicative and cat data aca

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It is often used to compare proportions.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 50, calculate 50 * 0.20 = 10.

Front

What does a 35% discount mean?

Back

A 35% discount means that the price is reduced by 35 out of every 100 units of currency. For example, if an item costs $100, a 35% discount would reduce the price to $65.

Front

If a chair costs $800, what is the amount of a 35% discount?

Back

The amount of a 35% discount on an $800 chair is $280 (800 * 0.35 = 280).

Front

How do you find the original price after a discount?

Back

To find the original price after a discount, divide the discount amount by the percentage discount (in decimal form) and then add that to the sale price.

Front

What is the formula to find the total value when given a percentage?

Back

The formula is: Total Value = Amount / (Percentage in decimal form). For example, if you earned $315 which is 7% of the total, the total value is 315 / 0.07 = $4,500.

Front

What is a stacked bar graph?

Back

A stacked bar graph is a type of chart that shows the total of different categories stacked on top of each other, allowing for comparison of parts to a whole.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 25% becomes 0.25.

Front

What is the meaning of 'poll' in statistics?

Back

A poll is a survey of public opinion or a collection of data from a group of people to understand their preferences or behaviors.

Front

If 2% of 806 people chose a book as their favorite, how many people is that?

Back

To find this, calculate 806 * 0.02 = 16 people.