a graphic representation of data on similar things
100
what's a mean?
in a data set, the average of all the number values; the sum divided by the number of values in the data set
100
What are the relative percentages of hydrogen, helium, and other elements at the center of the Sun's core?
hydrogen makes up 34% of the center of the suns core. helium makes up 64% and the other elements is 2%
100
which group makes up the greater percentages of the solar system's mass: the gas giants or the terrestrial planets?
the core would have a higher percentage than helium
100
according to the graph shown above on page 36, which person is most likely losing weight?
Irene lost more weight then Mike, Sandy, and Joe.
200
what's a best-fit line?
a straight line on a graph that has as many points above it as below it
200
what's a median?
the middle value in a group of numbers arranged in order or, if there is an even number of values, the average of the two middle values
200
where in the sun do the relative percentages of hydrogen, helium, and other elements stop changing and level off?
the stop changing at the edge of the suns core
200
which of jupiter's four largest moons has the greatest mass?
ganymede
200
Pamela has data on the percentage of students in 8th grade that rank horror, romance, comedy, or drama as their favorite type of movie. what is the best way to represent pamela's data
the best way to represent her data is to do a circle graph
300
what's a circle graph?
a graphic representation of data showing percentages of a whole
300
what's a mode?
in a data set, the number value that occurs most frequently
300
the core of the sun acts as a fusion reactor that turns any hydrogen atoms within its boundaries into helium atoms
about 40 million kilometers
300
which of jupiter's four largest moons is the lest dense?
callisto
300
a scientist wants to show how raising the temperature of a gas will increase its volume. if the scientist wants a reader to see this relationship quickly, which of the following would be the best choice for representative the data?
the best choice to represent the data is to graph it as a line graph
400
what's data?
information that describes events or qualities
400
what's a scatterplot?
a graph of points representing a collection of data
400
estimate the difference between mar's minimum and maximum distances from the sun?
Venus and Earth
400
the dwarf planet pluto has a diameter of about 2,300 km. of jupiter's four largest moons, how many have a diameter greater than pluto's?
all of jupiter's moons have a greater diameter than pluto
400
a student did a investigation in which a beaker filled with ice water was allowed to warm in room-temperature air. which of the following graphs is the most appropriate for representing his data?
graph a on page 37 is the best graph to represent the data
500
what's a line graph?
a graphic representation of data showing how the change in one variable affects another variable
500
what's a table?
a set of rows and columns that displays data
500
according to the circle graphs on page 28, which single body contains most of the solar system's mass?
the sun
500
do all firs with trunk circumferences of 29 cm have the same height?
no because ones bigger than the other
500
rashad drove his car at a constant speed of 100km/hr. which of the following graphs represents rashad's speed?
on page 37 the correct graph that represents the data correctly is letter c