What percent of the children in the study are Hispanic?
Selected
Answer:
19.0
%
Question 2
1 out of 1 points
Which measure of variability is used most often in conjunction with
the mean?
Selected
Ans
Week 3 Assignment
1.
(3 pts) Using StatCrunch, construct a labeled contingency table (with row, column, and total ), as well
as the contribution to the chi-square statistic, for the following set of d
Week 1 Assignment BST 322
Jonathan Barrera
1. (1 pt) For each of the following (a through d), indicate which is a variable and which is a constant:
a. The number of minutes in an hour. Constant
b. Sys
Independent Project Analysis and Writeup by Jonathan Barrera
1. Frequency distribution of a variable and bar graph of the same variable
Since this problem specifies the use of a bar graph, a variable
Week 4 Assignment
1.
(1pt) For each correlation coefficient below, calculate what proportion of variance is shared by the two
correlated variables:
a.
b.
e.
f.
r = 0.25 r2=0.0625
r = 0.33 r2=0.1089
2.
Discussion 1
1. Plot the data with a regression line and perform a regression with the appropriate
statistical test in StatCrunch. Copy and paste your graph and regression output into your
submission.
Week 1 Poverty and Work
Work
Poverty
No
Yes
Total
Below poverty
% within poverty
% within work
% of total
415
202
617
(67.26%) (32.74%)
(100%)
(88.49%) (53.72%) (73.02%)
(49.11%) (23.91%) (73.02%)
Abo
Yes, you can. You use the summary data and you input the finished data into statcrunch
but use the summary instead. I believe I got the correct answer because my chi-square test
does equal the one in
Week 4 discussion 2
1. Plot the data with a regression line and perform a regression with the appropriate
statistical test in StatCrunch. Copy and paste your graph and regression output into your
Word
Ho= There is no relationship between forgot date and used pot.
HA = There is a relationship between used pot and forgot date.
Contingency table results:
Rows: Forgot Date
Columns: Usedpot
Cell format
Week 1 Assignment
1.
For each of the following (a through d), indicate which is a variable and which is a constant:
a.
The number of minutes in an hour.
b.
Patients systolic blood pressure
c.
Pi () e.
Hinderliter, Jennifer #023147288
April 19, 2015
BST 322
Week 2 DQ#2
A pilot study was conducted to evaluate the effectiveness of pain alleviation in patients with
facial shingles. 24 patients were ran
Hinderliter, Jennifer
#023147288
May 2nd, 2015
BST 332 Week 3 DQ3
Mann-Whitney U Test
a. describe the independent and dependent variables:- identical nominal variables are the
independent variables.:
Hinderliter, Jennifer #023147288
April 19, 2015
BST 322
Week 2 DQ#1
Are a certain sampled population of women in a poor urban setting as optimistic as women
nationaly?
A.State the Null and Alternative
Hinderliter, Jennifer
#023147288
April 30, 2015
BST 332 Week 3 DQ2
: Make a crosstabulation table for a problem.Below is the table documenting the percentage of
boys and girls who got into trouble in
Hinderliter, Jennifer
#023147288
May 9 2015
BST 332 Independent Project
Using the data set supplied in Doc Sharing and StatCrunch, provide the following for the variable(s) of
your choice:
1.Frequency
Hinderliter, Jennifer #023147288 April 25, 2015
BST 322
Week 2 Assignment
1. What is the probability of rolling a four in the gambling dice game of craps (given
two six sided dice)? What is the probab
time
72 hr
complication
96 hr
no
count
% without complication
% within placement time
% of total
expected count
yes
Count
% with complication
% within placement time
% of total
expected count
9
(45%)
Vb cWeek 1 Assignment
1.
For each of the following (a through d), indicate which is a variable and which is a constant:
a.
The number of minutes in an hour.
- constant
b.
Systolic blood pressure
- var
BST 322 Week 2 Assignment
1.
What is the probability of rolling a four in the gambling dice game of craps (given two six sided
dice)? What is the probability that a player can roll a four 3 times in a
Week 1 Discussion: Question 1
1. Using StatCrunch - report back to the class the mean, median, and std deviation for the data by
pasting the output into Word and attaching it to your post. Graph the d
Week 2 Discussion: Question 2
Two sample T hypothesis test:
1 : Mean of Rest Pain Rating
2 : Mean of Acupuncture Pain Rating
1 - 2 : Difference between two means
H0 : 1 - 2 = 0
HA : 1 - 2 0
(with pool
Week 3 Discussion: Question 1
Dr. Polit created Figure 8.2 by setting the Heparin Lock Placement Times, (72 and 96 hours) as
the independent variables in the columns. The rows defined as the yes or no
BST322 HOMEWORK #1
Name: _
Directions: (a) Enter all your answers into this Word document and submit the entire
document. IMPORTANT: The name of your Word document MUST begin with your
LAST NAME. (b)
BST322: HOMEWORK #3
Name: _
Directions: (a) Enter all your answers into this Word document and submit the
entire document. IMPORTANT: The name of your Word document MUST begin
with your LAST NAME. (b)
BST322 HOMEWORK #4
Name: _
Directions: (a) Enter all your answers into this Word document and submit the
entire document. IMPORTANT: The name of your Word document MUST begin
with your LAST NAME. (b)
BST322 HOMEWORK #2
Name: _
Directions: (a) Enter all your answers into this Word document and submit the
entire document. IMPORTANT: The name of your Word document MUST begin
with your LAST NAME. (b)
BST 322 Week 2 Assignment
1. (1 pt) What is the probability of rolling a four with a six sided die? What is the probability that a
person can roll a four 3 times in a row? (assume that rolling the die