Concept Title
Group
Member
IV Ear Wash
Erwin
Manual Measure
Erwin
Syringe-Ear Drop
Erwin
No Sink Squirt
Erwin
Retractable Ear
Drop
Erwin
Stemmed Ear Drop Erwin
Medication Brush
Erwin
Dry Ear-Down
Erwin
Foam Bottle
Erwin
BB Medication
Periscope Q-tip
Erwin
I. Transcript: (E for interviewer, and C for Customer)
E: Hi. Thank you very much for agreeing to the interview. How are you today?
C: I am good thank you.
E: Thats good. So today we will be speaking a little bit about ear care. For starters, how do you n
I. Transcript: (E for interviewer, and C for Customer)
E: Hi. Thank you for taking your time to speak with me. Today we will be speaking concerning your
typical ear care. How do you normally take care for your ear?
C: Usually I clean my ears using cotton
Statistics for the Life Sciences
Math 20340 Section 01, Fall 2009
Homework 3 Solutions
4.84:
a: Probability distribution: x = 0, 1, 2, 3, 4, 5, 6, p(i) = 1/6 for each i
b: =
c: 2 =
6
1
i=0 i 6
6
i=0 (i
= 3.5
3.5)2 1 = 35/12 = 2.916. so =
6
35/12 = 1.
Statistics for the Life Sciences
Math 20340 Section 01, Fall 2009
Homework 6 Solutions
7.19: In each case mean of x is population mean, and standard deviation of x equals popu
lation std dev over square root of sample size.
a: Mean 10, std dev .5
b: Me
Statistics for the Life Sciences
Math 20340 Section 01, Fall 2009
Homework 5 Solutions
6.3:
a: .9452
b: .9664
c: .8159
d: almost 1
6.5:
a: = P (z .68) P (z 1.43) = .6753
b: .2401
c: .2694
d: = 1 P (z 1.34) = .0901
e: almost 0
6.13:
a: .1596
Statistics for the Life Sciences
Math 20340 Section 01, Fall 2009
Homework 8 Solutions
8.40:
a: 90% condence interval: 2.2 1.645 .83 + 1.67 = 2.2 .32. 90%
64
64
condent means (informally) that the probability that the true difference between the
means l
Statistics for the Life Sciences
Math 20340 Section 01, Fall 2008 Homework 10 Solutions
10.18: a: 16 + 8 - 2 = 22 10.19: a: s2 = 10.21: a: H0 : 1 = 2 ; Ha : 1 = 2 b: Test statistic > 2.771 or < -2.771 (two-tailed test; t distribution with 27 d.o.f.) c: P
Statistics for the Life Sciences
Math 20340 Section 01, Fall 2009
Homework 7 Solutions
8.1: A 95% margin of error for a point estimate of a parameter is a measure of the maximum
amount by which the estimate will differ from the actual parameter 95% of th
Statistics for the Life Sciences
Math 20340 Section 01, Fall 2009
Homework 4 Solutions
5.40:
a: .109
b: .958
c: .257
d: .809
5.42: n = 25, p = .05 so = np = 1.25 for Poisson approximation
p(0) = .2865. using Poisson; actually .277.
p(1) = .35813.
ISSUE 2 : JULY 1997
The Journal of
Sustainable Product Design
Re-FINE
Re-THINK
ISSN 13676679
Re-DESIGN
Re-PAIR
ISSUE 2 : JULY 1997
The Journal of
Sustainable Product Design
5 Editorial
Martin Charter and Anne Chick, Editors, The Journal of Sustainable Pro