ACT Math Prep (Week of April 7th)

Front

What is the formula to calculate average speed?

Back

Average speed = Total distance / Total time.

Front

How do you calculate the mean of a set of numbers?

Back

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

Front

What is the definition of median in a data set?

Back

Median is the middle value when the data set is ordered from least to greatest.

Front

What is mode in statistics?

Back

Mode is the value that appears most frequently in a data set.

Front

How do you calculate the probability of an event?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes).

Front

What is the formula for calculating a z-score?

Back

z = (x - μ) / σ, where μ is the mean and σ is the standard deviation.

Front

How do you calculate overtime pay?

Back

Overtime pay = Regular pay rate x 1.5 x (Hours worked over 40).

Front

What is the total pay calculation for a week with regular and overtime hours?

Back

Total pay = (Regular hours x Regular rate) + (Overtime hours x Overtime rate).

Front

How do you find the total deductions from a paycheck?

Back

Total deductions are subtracted from the gross pay to find the net pay.

Front

What is the relationship between mean, median, and mode in a normal distribution?

Back

In a normal distribution, mean = median = mode.