## Test 4 Section 4 Question 21

Can you help me with the Official Test 4 Question 21?

## The table above lists the results of a survey of a random sample of 250 high school seniors and freshmen.

The table above lists the results of a survey of a random sample of 250 high school seniors and freshmen. Each student selected one subject that was his or her favorite.If the sample is representative of a high school with 2,000 freshmen and seniors, then based on the table, what is the predicted number of freshmen at the high school who would select math as their favorite high school subject? A) 520 B) 240 C) 65 D) 30

## The chart above shows four airlines’ average operating costs per hour for a plane travelling along a certain route…

The chart above shows four airlines’ average operating costs per hour for a plane travelling along a certain route. Which expense category contributes most toward B’s total operating costs per hour being higher than A’s ?

## New sample questions: Math part 4

College Board released a bunch of sample questions this week for the new PSAT and SAT, which will make their debuts in October 2015 and March 2016, respectively. Over the next few days, I’ll be making posts working through each question, a few at a time, and commenting on them when I feel like I have (more…)

## New sample questions: Math part 3

College Board released a bunch of sample questions this week for the new PSAT and SAT, which will make their debuts in October 2015 and March 2016, respectively. Over the next few days, I’ll be making posts working through each question, a few at a time, and commenting on them when I feel like I have (more…)

## New sample questions: Math part 1

College Board released a bunch of sample questions this week for the new PSAT and SAT, which will make their debuts in October 2015 and March 2016, respectively. Over the next few days, I’ll be making posts working through each question, a few at a time, and commenting on them when I feel like I have (more…)