Desmos for Digital SAT Math: Mean and Median

What is the primary focus of using Desmos in this lesson?

• To solve algebraic equations

• To calculate mean and median

• To graph linear functions

• To perform calculus operations

Which function is used in Desmos to find the mean of a list?

• sum()

• median()

• mean()

• average()

What is the mean of the list: 6, 10, 13, 2, 15, 22, 10, 4, 4?

• 8

• 9

• 11

• 10

Which function is used in Desmos to find the median of a list?

• sum()

• median()

• mean()

• average()

What is the median of the list: 71, 72, 73, 76, 77, 79, 83, 87, 93?

• 78

• 77

• 76

• 75

In the SAT problem discussed, what is the condition for the mean?

• It must be greater than 42

• It must be less than 40

• It must be equal to 42

• It must be a non-integer

What is the largest possible integer value for the missing number in the SAT problem?

• 50

• 53

• 51

• 52

What are the possible values of X when the mean and median are equal in the second SAT problem?

• 1, 16, 41

• 2, 15, 40

• 3, 14, 39

• 4, 13, 38

What is the sum of the possible values of X in the second SAT problem?

• 58

• 59

• 57

• 56

Why is it recommended to use Desmos for straightforward SAT questions?

• To practice typing skills

• To save time and avoid careless mistakes

• To learn new mathematical concepts

• To impress the examiners