SAT prep (Problem Solving & Data Analysis)

Front

What is the formula to calculate the percentage of a total?

Back

Percentage = (Part / Total) * 100

Front

How do you convert hours into minutes?

Back

Multiply the number of hours by 60.

Front

What is the mean (average) score in a set of numbers?

Back

Mean = (Sum of all scores) / (Number of scores)

Front

How do you find the total time spent on an activity if you know the percentage of total time?

Back

Total time = (Time spent on activity / Percentage) * 100

Front

What is the relationship between the mean score and the individual scores in a dataset?

Back

The mean score is influenced by all individual scores; removing a score changes the mean.

Front

How do you calculate the total number of items needed based on a sample rate?

Back

Total needed = (Desired number of items / Sample rate) * Total surveyed

Front

What is the significance of a 'lowest score' in a dataset?

Back

The lowest score can affect the mean and understanding of the dataset's distribution.

Front

How do you determine the number of minutes dedicated to an activity over multiple days?

Back

Multiply the daily time by the number of days.

Front

What is the concept of proportionality in problem-solving?

Back

Proportionality means that two quantities maintain a constant ratio.

Front

How do you interpret survey results in terms of probability?

Back

Survey results can be used to estimate probabilities for larger populations.