Question
In: Statistics and Probability
. A study was conducted to examine the correlation between number of study hours and students...
. A
study was conducted to examine the correlation between number of
study hours and students grads in exam. Study hors for students: 2,
3, 5, 6, 8, 10, 10, 2, 5, 6, 5, 3, 7, 6, 2, 7, 6, 8, 2, 5 Grads in
exam for students: 3, 4, 6, 7, 8, 10, 9, 8, 3, 6, 5, 4, 6, 6, 3, 7,
6, 3, 4, 5 1- as ungrouped data find the frequency, accumulated
relative frequency, and accumulative relative frequency for study
hours. 2- Frequency Polygon for study hours. 3- percentile graph
for study hours. 4- determine whether the data for study hours are
normally distributed with explanation. 5- determine whether the
data for study hours are uni-modal, bimodal, or multimodal. 6-
scatter and plot diagram
Solutions
orchestra answered 2 years agoRelated Solutions
. A study was conducted to examine the correlation between number of study hours and students...
. A
study was conducted to examine the correlation between number of
study hours and students grads in exam. Study hours for students:
2, 3, 5, 6, 8, 10, 10, 2, 5, 6, 5, 3, 7, 6, 2, 7, 6, 8, 2, 5 Grads
in exam for students: 3, 4, 6, 7, 8, 10, 9, 8, 3, 6, 5, 4, 6, 6, 3,
7, 6, 3, 4, 5 1- as ungrouped data find the frequency, accumulated
relative frequency, and accumulative...
A study was conducted to investigate for any possible correlation that may exist between the number...
A study was conducted to investigate for any possible
correlation that may exist between the number of tardiness and the
final grade (%) of the students in statistics class. Based on this
data, Kuya, who is enrolling in the class next trimester, may
anticipate his grade from being tardy every other week (6 times).
What would his estimated grade be?
STUDENT
TARDY
GRADE
1
1
89
2
2
94
3
0
97
4
0
87
5
1
94
6
0...
A study was conducted to investigate for any possible correlation that may exist between the number...
A study was conducted to investigate for any possible
correlation that may exist between the number of tardiness and the
final grade (%) of the students in statistics class. Based on this
data, Kuya, who is enrolling in the class next trimester, may
anticipate his grade from being tardy every other week (6 times).
What would his estimated grade be? Data can be found in the grades
tab.
Conclusion is (closest answer due to rounding error):
predicted grade is...
A study was conducted on the number of hours slept by men and women. A sample...
A study was conducted on the number of hours slept by men and
women. A sample of 18 men slept an average of 6.1 hours a day with
a sample standard deviation of 2.1 hours, whereas a sample of 21
women slept an average of 6.4 hours a day with a sample standard
deviation of 1.7 hours. Use a 0.05 significance level to test the
claim that the average number of hours that there is a difference
between the average...
A study conducted by the MLC on campus found the number of hours spent at the...
A study conducted by the MLC on campus found the number of hours
spent at the MLC during a week. The distribution of times spent at
the MLC is normally distributed with an average of 75 minutes and a
standard deviation of 18 minutes.
(a) If a single student that uses the MLC is selected at random,
what is the probability that this student spent between 80 and 100
minutes at the MLC that week?
(b) Now if a sample...
A study was conducted to determine if the number of hours spent studying for an exam...
A study was conducted to determine if the number of hours spent
studying for an exam is associated with the exam score. The
following are the observations obtained from a random sample of 5
students:
Number of Hours Spent Studying (X)
8
2
6
4
2
Exam Score (Y)
98
74
87
82
72
The average number of hours spent studying for an exam is
_____.
Part A:
A)
82.6
B)
22
C)
4.4
D)
413
The average exam score...
A survey was conducted at a college to determine the number of hours students spent outside...
A survey was conducted at a college to determine the number of
hours students spent outside on weekends during the winter. For
students from cold weather climates, the results were M =
8, SD = 1.5. For students from warm-weather climates, the
results were M = 5, SD = 4.2. Explain what these
numbers mean to a person who has never had a course in statistics,
and suggest conclusions the person can draw from these results.
These conclusions use the...
Scenario. A health psychologist conducted a study of the relation of number of hours exercised each...
Scenario. A health psychologist conducted a
study of the relation of number of hours exercised each week (as
the predictor variable) and number of days sick per year. The
results for four individuals studied were as follows.
DATA
Weekly Exercise Hours
Sick Days Per Year
5
6
4
7
0
10
8
5
10
3
2
4
1
8
1.The scale of measurement for the ONE variable is
___________.
Select from Nominal, Ordinal, Interval, Ratio
2.The scale of measurement for...
A study was conducted in which students were asked to estimate the number of calories in...
A study was conducted in which students were asked to
estimate the number of calories in a cheeseburger. One group was
asked to do this after thinking about a calorie-laden cheesecake.
A second group was asked to do this after thinking about an organic
fruit salad. The mean number of calories estimated was 771 for the
group that thought about the cheesecake and 1008 for the group that
thought about the organic fruit salad. Suppose that the study was
based...
A study was conducted to determine if students in different college years differ on the number...
A study was conducted to determine if students in different
college years differ on the number of hours of sleep they obtain.
On a specified mid-semester Wednesday morning 25 Freshmen, 25
Sophomore, 25 Junior and 25 Senior college students reported the
number of Hours of Sleep they had obtained on the previous evening.
Answer the following question referring to the following tables.
Descriptive Statistics Year Mean Std. Deviation N Freshmen 7.7080
1.86881 25 sophomore 7.1600 1.34412 25 Junior 7.4400 1.47422...
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