Select the three questions that are best categorized as statistical questions. A. How many books are in the library? B. How many letters are in the alphabet? C. What is the height of the Empire State Building? D. How tall are the members of the basketball team? E How long does each roller coaster ride in the amusement park last? F. What is the average number of students in each class at Lincoln High School?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

1. why is a frequency distribution useful? it allows researchers to see the "shape" of the data. it tells researchers how often the mean occurs in a set of data. it can visually identify the mean. it ignores outliers. 2. the is defined by its mean and standard deviation alone. normal distribution frequency distribution median distribution marginal distribution 3. approximately % of the data in a given sample falls within three standard deviations of the mean if it is normally distributed. 95 68 34 99 4. a data set is said to be if the mean of the data is greater than the median of the data. normally distributed frequency distributed right-skewed left-skewed

The associative, commutative, and distributive properties can be used on rational equations. true or false