Question
A random sample of tenth-grade boys resulted in the following 20 observed weights. 142 134 98...
A random sample of tenth-grade boys resulted in the
following 20 observed weights.
142 134 98 119 131
103 154 122 93 137
86 119 161 144 158
165 81 117 128 103
Test the hypothesis that the upper quartile is at least 150.
Homework Answers
Answer #1
NULL HYPOTHESIS H0:
ALTERNATIVE HYPOTHESIS Ha: 
A Upper tailed test is applied. Here n = 20, p ∗ = .75 and T1 = 4. Now the approximation of t1 is t1 = (20)(.75) + (−1.645)*sqrt((20)(.75)(.25)) = 15-3.195= 11.805
We reject H0 : the upper quartile is at least 150 since T1 < t1.
Not the answer you're looking for?
Similar Questions
Taxpayer Form 1 Form 2 Form 3 Form 4 1 109 115 126 120 2 98...
Taxpayer
Form 1
Form 2
Form 3
Form 4
1
109
115
126
120
2
98
103
107
108
3
29
27
53
38
4
93
95
103
109
5
62
65
67
64
6
103
107
111
128
7
83
82
101
116
8
122
119
141
143
9
92
101
105
108
10
107
113
127
113
11
103
111
111
108
12
54
64
67
62
13
141
145
142
160
14
92
94
95
102
15...
You want to see if there is a statistical difference between the two groups. Run descriptives...
You want to see if there is a statistical difference between the
two groups. Run descriptives and a two-tailed, two sample assuming
equal variance t-test.
Here's your data:
Weight of Apples in Grams
Apple ID
Farm A
Farm B
1
131
151
2
147
159
3
134
162
4
134
158
5
136
159
6
137
160
7
140
150
8
134
160
9
136
160
10
133
160
11
134
160
12
132
158
13
139
162
14
136...
A random sample of n1=16 communities in western Kansas gave the following information for people under...
A random sample of n1=16 communities in western Kansas gave the
following information for people under 25 years of age. x1 Rate of
hay fever per 1000 population for people under 25 124 96 98 107 120
122 142 136 112 124 81 124 108 120 144 115 A random sample of n2=14
regions in western Kansas gave the following information for people
over 50 years old. x2 Rate of hay fever per 1000 population for
people over 50 87...
3.53 The time from when a patient is discharged from North Shore Hospital to the time...
3.53 The time from when a patient is discharged from North Shore
Hospital to the time the discharged patient’s bed is ready to be
assigned to a new patient is referred to as the bed assignment
turnaround time. If the bed turnaround time is excessive, it can
cause problems with patient flow and delay medical procedures
throughout the hospital. This can cause long waiting times for
physicians and patients, thus creating customer dissatisfaction.
The admissions RN has assigned a patient...
Open Three Hospitals data. SETUP: It is believed that the number of injuries recorded in hospital...
Open Three Hospitals data. SETUP: It is
believed that the number of injuries recorded in hospital 1 is
different from the number of injuries recorded in hospital 2. Given
the data your job is to confirm or disprove this assertion.
10. What test/procedure did you perform? (4
points)
a. Regression
b. Two sided t-test
c. One sided t-test
d. Confidence Interval
11. What is the statistical interpretation? (4
points)
a. Average of data is inconsistent with the claim
b. P-value...
Pat.# Before After 1 195 125 To the left is 2 datasets measured for a sample...
Pat.#
Before
After
1
195
125
To the left is 2 datasets measured for
a sample of 107 patients with the high cholesterol level before and
after taking medication. Obtain the following for both sets:
2
208
164
3
254
152
1- the mean, mode and median
4
226
144
5
290
212
2- the variance and standard
deviation
6
239
171
7
216
164
3- First, second and third
quartiles
8
286
200
9
243
190
10
217
130...
Your IT department provided you data on patients that received ER services, their GHHS, and their...
Your IT department provided you data on patients that received
ER services, their GHHS, and their recovery time. Prepare a report
to share with the owners of the facility that will help you make
informed decisions about how long you can expect a patients’
recovery time would be based on their GHHS. Based on your findings
provide recommendations on your plan moving forward to improve the
functioning of your facilities in generating revenue. Prepare a
report that addresses each of...
A loan made on March 14 is due September 13 of the following year. Find the...
A loan made on March 14 is due September 13 of the following
year. Find the exact time for the loan in a non-leap year and a
leap year.
days.
The exact time in a non-leap year is ? days
The exact time in a leap year is ? days.
Data Table
Sequential Numbers for Dates of the Year
Day of Month
Jan.
Feb.
Mar.
Apr.
May
June
July
Aug.
Sept.
Oct.
Nov.
Dec.
1
1
32
60
91
121...
The Red Lobster Restaurant chain conducts regular surveys of its customers to monitor the performance of...
The Red Lobster Restaurant chain conducts regular surveys of its
customers to monitor the performance of individual restaurants. One
of the questions asks customers to rate the overall quality of
their last visit. the listed responses are Poor 1, Fair 2, Good 3,
Very Good 4, and Excellent 5. The survey also asks respondents
whether their children accompanied them (1=yes) and (2=no).
Graphically depict these data and describe your findings.
Customer
Rate
Children
1
4
1
2
3
2
3...
I am making a game like Rock Paper Scissors called fire water stick where the rules...
I am making a game like Rock Paper Scissors called fire water
stick where the rules are
Stick beats Water by floating on top of it
Water beats Fire by putting it out
Fire beats Stick by burning it
The TODOS are as follows:
TODO 1: Declare the instance variables of the class. Instance
variables are private variables that keep the state of the game.
The recommended instance variables are:
1.
2. 3. 4. 5. 6.
A variable, “rand” that...
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 17 minutes ago
asked 27 minutes ago
asked 35 minutes ago
asked 56 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago