Mary bought a smart phone and has $11.43 left. How much did Mary have before she bought the smart phone? Write an equation and solve it by using the information in the table.
Electronics
Sale Price (5)
MP3 Player
$39
Computer
$299
Tablet
$199
Smart Phone
A$78
B$27.57
C$50.43
D$66.57

Drag each equation to the correct location on the table. for each equation, determine the number of solutions and place on the appropriate field in the table.

Jennifer taking a quiz and has answered 13 questions so far. if there are 25 questions on jennifer test, how many questions does she have left to answer

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