6th grade Semester 1 Summative Review

Front

What is an expression for raising 's' to the 2nd power and then subtracting 't'?

Back

s^2 - t

Front

How do you calculate the mean of a data set?

Back

Add all the numbers together and divide by the total count of numbers.

Front

What is the mean of the following data set: 88, 84, 87, 91, 88, 89, 89, 88, 93, 85?

Back

88.2

Front

What is the interquartile range (IQR)?

Back

The difference between the first quartile (Q1) and the third quartile (Q3) in a data set.

Front

What is the interquartile range of the data set: 13, 71, 64, 12, 17, 28, 31, 58, 51?

Back

46

Front

What is the expression for dividing 't' by 's'?

Back

t/s

Front

How do you find the unit rate?

Back

Divide the total quantity by the number of units.

Front

If there are 506 students on 11 buses, what is the unit rate of students per bus?

Back

46 students per bus.

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What is the difference between a mean and a median?

Back

Mean is the average, while median is the middle value when data is ordered.