MATH 210 - Test #3 1/18/13
_
Be sure to interpret the meaning of confidence intervals and hypothesis tests in the context of the given
problem. For hypothesis tests clearly state H0 and HA, your test statistic (z or t), and your P- value.
Points in [brack
MATH 210 - Test #2 3/31/11
Name:
_
Section (1:00 or 2:00?) _
Show all work for full credit! Points in [brackets] sum to 101.
27856. A teacher has a class of 30 students each. She observes the number of students present each day.
Based on her observations
Sample Chi-Square Test for Independence (Section 9.1)
We wish to compare the income distributions of shoppers at two different stores. A sample of 241
shoppers was taken from Store #1 and a sample 218 shoppers from Store #2. The table below breaks
down th
1
Part G - ANOVA
You wish to determine if the amount of weekly exercise students get varies between the FY, SO, JR and
SR classes. Based on the survey of 60 students you compute the following:
Class
Mean
Std. Dev.
FY
SO
JR
SR
.
n
18
16
14
12
4.2
4.6
4.4
5
MATH 210 - Test #2 - 10/17/07
_
Show all work for full credit! Points in [brackets] sum to 100.
1.
You are going to purchase a stock for $1000. The future value of the stock depends on the
condition of the economy. You estimate the value of the stock one
MATH 210 - Test #2 - 3/13/08
_
Points in [brackets] sum to 102. Show all work for full credit!
1.
Suppose historical data shows that the amount of profit (X) made in a small restaurants first
year follows the probability distribution below:
Profit ($):
X
MATH 210 - Test #3 - 11/8/12
_
Show all work for full credit. When conducting hypothesis tests clearly state the null and
alternative hypotheses and the p-value for the test. For confidence intervals and hypothesis
tests give a complete conclusion in the
MATH 210 - Sample Final Exam Problems Chapter 2
(revised 12/09/11)
A sample of 7th graders at a rural mid-western junior high were asked to rate their
physical appearance and their popularity on a scale of 1 to 15 where a high number
corresponds to better
MATH 210 - Test #3 4/19/12
_
For hypothesis tests clearly state H0 and HA, your test statistic (z or t), and your P- value. Be sure to
interpret the meaning of your confidence intervals and the conclusion for your hypothesis tests in the
context of the gi
ObservingandDescribingData(Chapter1)
1. Constructandinterpretinghistograms,stemplots,andboxplots.Interpretnormal
quantileplots.
a. Unimodal,bimodal,skewedleftorright,symmetric.
b. Quantileconcavedownisskewedright&concaveupisskewedleft,
backwardSshortertai