Relative frequency histogram
a relative frequency histogram uses the percentage for
each class on the vertical axis instead of the frequency of
each class.
blood pressure reading
example 5:
notice instead of class boundaries, the midpoints have been
used on the horizontal axis.
relative frequency
0.20
0.15
0.10
what is the class width?
0.05
what are the class boundaries of the first class?
0.00
100 110 120 130 140 150
systolic blood pressure (mm hg
which class has the lowest relative frequency?
what is the class width?

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none.

step-by-step explanation:

m

1

=

5

m1=5

b

=

−

1

b=-1

find the slope and y-intercept of the second equation.

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m

2

=

0

m2=0

b

=

−

6

b=-6

compare the slopes

m

m of the two equations.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

compare the two slopes in the decimal form. if the slopes are equal, then the lines are parallel. if the slopes are not equal, then the lines are not parallel.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

where is the picture

step-by-step explanation:

answer: 7. if the functions had a negative leading coefficient and is of even degree, which statement about the graph is true?

step-by-step explanation: