q6.docx
(Show all your work to get full credit.
1. (16 pts) Suppose your six exam grades in a course are:
52, 69, 75, 86, 86, and 92
Compute your final course grade (90-100= A, 80-89 = B, 70-79 = C, 60-69 =D, below 60 = F) using the
a. Mean
b. Median
2. (16 pts) A teacher gives a 20-point test to 10 students. The scores are shown here. Find the percentile rank of a score of 12.
18, 15, 12, 6, 8, 2, 3, 5, 20, 10
3. (16 pts) The number of meteorites found in 10 of the United States is
89, 47, 164, 296, 30, 215, 138, 78, 48, and 39
Construct a boxplot for the data.
4. (18 pts) Find the sample variance and standard deviation for the amount of European auto sales for a sample of 6 years shown. The data are in millions of dollars.
11.2, 11.9, 12.0, 12.8, 13.4, 14.3
5. (16 pts) How many different ways can a theatrical group select 2 musicals and 3 dramas from 11 musicals and 8 dramas to be presented during the year?
6. (18 pts) In a club there are 7 women and 5 men. A committee of 3 women and 2 men is to be chosen. How many different possibilities are there?
(
Show all your work
to get full credit
.
1.
(
16
pts
)
Su
p
pose
your six exam grades in a course are
:
52,
69, 75,
86,
86,
and
92
Compute your final course grade (90
-
100= A, 80
-
89 = B, 70
-
79 = C, 60
-
69 =D, below 60 = F)
using the
a. Mean
b. Median
2.
(16
pts)
A teacher gives a 20
-
point test to 10 students. The
scores are shown here. Find the
percentile rank of a score of 12.
18, 15, 12, 6, 8, 2, 3, 5, 20, 10
3.
(16
pts)
The number of meteorites found in 10 of the United States is
89, 47, 164, 296, 30, 215, 138, 78, 48, and 39
Construct a boxplot for
the data.
4
.
(18
pts)
Find the sample variance and standard deviation for the amount of European auto
sales for a sample of 6
years shown
. The data are in millions of dollars.
11.2, 11.9, 12.0, 12.8, 13.4, 14.3
5
.
(16
pts)
How many different ways
can a theatrical group select 2 musicals and 3 dramas
from
11 musicals and 8 dramas to be presented during the year?
6
.
(1
8 pts)
In
a club there are 7 women and 5 men. A committee of 3 women and 2 men is to be
chosen. How many different possibilities are there?
(Show all your work to get full credit.
1. (16 pts) Suppose your six exam grades in a course are:
52, 69, 75, 86, 86, and 92
Compute your final course grade (90-100= A, 80-89 = B, 70-79 = C, 60-69 =D, below 60 = F)
using the
a. Mean
b. Median
2. (16 pts) A teacher gives a 20-point test to 10 students. The scores are shown here. Find the
percentile rank of a score of 12.
18, 15, 12, 6, 8, 2, 3, 5, 20, 10
3. (16 pts) The number of meteorites found in 10 of the United States is
89, 47, 164, 296, 30, 215, 138, 78, 48, and 39
Construct a boxplot for the data.
4. (18 pts) Find the sample variance and standard deviation for the amount of European auto
sales for a sample of 6 years shown. The data are in millions of dollars.
11.2, 11.9, 12.0, 12.8, 13.4, 14.3
5. (16 pts) How many different ways can a theatrical group select 2 musicals and 3 dramas from
11 musicals and 8 dramas to be presented during the year?
6. (18 pts) In a club there are 7 women and 5 men. A committee of 3 women and 2 men is to be
chosen. How many different possibilities are there?
