Data Analysis Midterm

Front

What is a proportion?

Back

Tags

CCSS.7.RP.A.2B

Front

How do you solve a proportion?

Back

Front

What is the ratio of oatmeal to chocolate chip cookies if there are 6 chocolate chip cookies and 5 oatmeal cookies?

Back

The ratio of oatmeal to chocolate chip cookies is 5:6.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the median of a set of numbers?

Back

To find the median, first arrange the numbers in ascending order. If there is an odd number of observations, the median is the middle number. If even, it is the average of the two middle numbers.

Tags

CCSS.6.SP.B.5C

Front

What is the simplest form of the ratio 28 elementary schools to 16 middle schools?

Back

The simplest form of the ratio is 7:4.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division. It can be expressed in three ways: as a fraction, with a colon (e.g., 3:4), or with the word 'to' (e.g., 3 to 4).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean to simplify a ratio?

Back

To simplify a ratio means to reduce it to its lowest terms by dividing both quantities by their greatest common divisor (GCD).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the formula for finding the median in a data set?

Back

Tags

CCSS.6.SP.B.5C

Front

How do you express a ratio as a fraction?

Back

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is cross-multiplication in solving proportions?

Back

Cross-multiplication is a method used to solve proportions by multiplying the numerator of one ratio by the denominator of the other ratio and setting the products equal to each other.