10ws1 78 HW (Statistical Inferences)

Name:
1. What is the area of the
half circle below?
10ws1 Weekly Homework –side 1
2. What is the
circumference of the half
circle to the left?
Teacher: HUNT 7th period
3. What is the area of the circle?______
a.
If you doubled the radius, what would the
new area be?______
b. What is the ratio of the areas from the larger
circle to the smaller circle?______
4. How many 3-inch
cubes can be placed
inside the box?
5. About how
many cups of
juice does this
container hold?
(Hint: 1 cup 
14.44 in3)
6. A large cylindrical cooler
is 4 feet high and has a
diameter of 2 feet. It is filled
¾ high with water for
athletes to use during their
soccer game. Estimate the
volume of the water in the
cooler.
7. The side of a cube is doubled
from its original length. What is the
ratio of the volume from the smaller
cube to the bigger cube?
8. Find the value of x.
9.
Classify Triangles by their
sides and then classify by
their angles.
10. Find the value of x.
11. Find the value of x.
12. Find the missing
angle.
13. Find the value of x.
14. Find the missing
angle.
15. Find the missing angle.
20.
21.
Which statement is NOT true about the dot plot the right?
A) The French Club has a greater mean than the Spanish
Club.
B) The distribution is symmetric for the Spanish Club, but
not for the French Club.
C) The mean and median are the same for the Spanish
Club.
D) The Spanish Club has a greater median than the French
Club.
22.
23.
Jon surveyed his school to
In the problem to the right,
find their preference on a
who did Jon sample?
school mascot. He asked
everybody on the football
team. Identify the
population in this situation.
24.
On the 1st day of class, Jim
skimmed 17 random pages from
each of the books assigned to
his class. Each book has an
equal number of pages. Is this
sample of the reading likely to
be biased or unbiased?
26.
27.
Which sample is the
best representation
of a box that holds
20 red buttons, 60
green buttons, 80
blue buttons and 40
yellow buttons?
If the pink gorilla eats watermelon every night, how much watermelons does he eat?
25.
Jan found that 12 of the 50 people he
surveyed like lemon in their tea. How
many of the 4,500 people in his town
would you expect to also like lemon in
their tea?
Based on the sample in the
table, how many of the 650
students in 7th grade will
also like country as their
favorite type of music?
Show Your Work on a Separate Piece of Paper Please!
Name:
10wS1 Weekly Homework – side 2
Monday
28.
Name the cross sectional area
of the cube below:
31.
What is the radius of the circle
below if the area is 28.27 cm 2?
35.
What is the volume of the
composite shape?
39.
What was the average amount of
books read per student according to
the histogram below?
Tuesday
Wednesday
29.
A cross section is taken of a standard lampshade.
Which of the following could NOT be the shape of the
cross section?
A)Triangle
B) Circle
C) Oval
D) Trapezoid
32.
A circle has a radius of 5
inches. How many 5 in
long pieces of string could
wrap around the outside of
this circle?
Teacher:
Thursday
30.
Name the cross sectional
area of the cylinder below:
33.
In the problem to the left,
divide your answer by
two. What special
number did you
discover?
34.
36.
Find the area
of the shaded
region:
37.
How would the volume
of a rectangular prism
change if each side of
the prism was doubled
in length?
38.
What is the volume of the
composite shape?
40.
41.
42.
Jim’s physics quiz scores
were 77, 83, 75, 52, and 85.
What was his mean score?
8 businesses were asked how
many employees they have.
Here is the data.
Mean ______ Median _____
Mode ______ Range _____
3, 4, 5, 4, 3, 5, 2, 7
Find the mean, median, and
mode of the data.
43.
Find the median and mean of
the data.
44.
Find the median and mean
of the data. Which reflects
the best measure of the
center?
14, 15, 13, 14, 24, 23, 22
45.
Find the median and mean of
the data.
53, 48, 47, 67, 67, 68, 55
23, 27, 60, 154, 17, 15, 28
My Progress
Side 1
# of questions _____
# correct _____
I need more help with… ______________
_____________________________________________
_____________________________________________
______________________________________________
_________________
If the pink gorilla eats watermelon every night, how much watermelons does he eat?
Side 2
# of questions _____
# correct _____
I need more help with… ______________
__________________________________________
__________________________________________
__________________________________________
_____________________
Show Your Work on a Separate Piece of Paper Please!