ACAP Boot Camp 7th Grade Math

Front

What is a random sample?

Back

A random sample is a subset of individuals chosen from a larger population, where each individual has an equal chance of being selected.

Front

How do you estimate a population based on a sample?

Back

To estimate a population, use the proportion of the sample that has a certain characteristic and apply it to the total population size.

Front

What is the median in a data set?

Back

The median is the middle value when the data set is ordered from least to greatest. If there is an even number of observations, the median is the average of the two middle numbers.

Front

How do you find the area of a circle?

Back

The area of a circle is calculated using the formula A = πr², where r is the radius of the circle.

Front

What is the formula for the area of a trapezoid?

Back

The area of a trapezoid is calculated using the formula A = 1/2 * (b1 + b2) * h, where b1 and b2 are the lengths of the two parallel sides and h is the height.

Front

How do you calculate the number of outfits from different clothing items?

Back

To find the total number of outfits, multiply the number of options for each clothing item together.

Front

What is the significance of the mode in a data set?

Back

The mode is the value that appears most frequently in a data set. It can help identify the most common item or response.

Front

What is the difference between mean and median?

Back

The mean is the average of all values in a data set, while the median is the middle value when the data is ordered.

Front

How do you interpret a dot plot?

Back

A dot plot displays individual data points along a number line, allowing you to see the distribution and frequency of values.

Front

What is the relationship between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around it. They are related but represent different properties.