# Just finished an assignment

• Apr 21st 2012, 07:12 PM
Jehuty
Just finished an assignment
This is worth quite a bit of marks guys, I already answered every question but I'd appreciate it they could be double checked to see if I made any mistakes as this will be included with my midterm and I'm really hoping to get accepted into university.

Quote:

#1.
The volume of cola in 355-mL cans is normally distributed with a standard deviation of 3 mL.
mL
What percent of cans have a volume greater than 359 mL?
a. 90.82%
c. 35.9%
b. 50%
d. 9.18%
e. 64.1%
f. None of the above

#2.
Heights of males are approximately normally distributed with a mean of 170 cm and a standard
deviation of 8 cm. What fraction of males are taller than 176 cm?
a. .2266
c. .6000
b. .2500
d. .2734
e. .7500
f. None of the above

#3
The heights of students at a college are normally distributed with a mean of 175 cm and a standard
deviation of 6 cm. One might expect in a sample of 1000 students that the number with heights
less than 163 cm is:
a. 23
c. 228
b. 997
d. 456
e. 477
f. None of the above

#4.
The height of an adult male is known to be normally distributed with a mean of 69 inches and a
standard deviation of 2.5 inches. The height of the doorway such that 96 percent of the adult males
can pass through it without having to bend is:
b. 1.8
f. None of the above

1

KU __

#5.
A correlation coefficient of 0.9 means:
a. The mean is 0.9
b. The median is 0.9
e. The data is spread out
c. The line is a bad fit to the data
d. The line is a good fit to the data
f. None of the above

#6.
Which central measure is most resistant to outliers?
a. Mean
c. Correlation Coefficient
b. Median
d. Box plot
e. Standard Deviation
f. None of the above

#7.
The total area under a normal curve is:
a. 3.14
b. 1
e. 360

c. 100
d. 32
f. None of the above

#8.
Which of the following is a characteristic of the normal distribution?
c. Skewed to the right
b. Symmetrical
d. Skewed to the left
e. Broken into quartiles
f. None of the above

#9. The measure of centre that is connected to standard deviation is:
a. the median
b. the mean
c. the mode
d. none of the above

#10. The measure of centre that is connected to box plots is:
a. the median
b. the mean
c. the mode
d. none of the above

#11. What is the area under a normal distribution between -1 and 1 standard deviations?
a. the mean
b. the median
c. the mode
d. the range
e. none of the above

• Apr 21st 2012, 07:50 PM
Jehuty
re: Just finished an assignment
just noticed a mistake haha, number #10 should be the median not the mean
• Apr 22nd 2012, 05:55 AM
skeeter
re: Just finished an assignment
MHF policy is clear in not providing assistance for graded work.