Question

Data set for ages of students in stats class:

17, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19,19, 20, 20, 20, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23, 23, 24, 25, 25, 25, 26, 26, 27, 28, 28, 28, 28, 29, 29, 32, 36, 42

1) Compute the 5-number summary and create a modified box-plot, using the inner-quartile range to identify any outliers.

Answer #1

The Department of Energy provides fuel economy ratings for all
cars and light trucks sold in the United States. Offered are the
estimated miles per gallon for city driving for the 186 cars
classified as midsize in 2016, arranged in increasing order: 11 11
11 12 13 13 13 14 14 14 14 14 15 15 15 15 15 15 16 16 16 16 16 16
16 16 16 16 16 16 16 17 17 17 17 17 17 18...

6. Using the class data (see Blackboard file - "Class Survey
Data - PSS-10 and GAS") calculate the correlation between the GAS –
Goal disengagement and the GAS – Goal reengagement scores. Write
the results in a statistical statement.
7. Using the class data calculate the correlation between the
GAS – Goal disengagement and the PSS-10 scores. Write the results
in a statistical statement.
8. Using the class data calculate the correlation between the
GAS – Goal reengagement scores and...

Dataset:
Husband Wife
53 50
38 34
46 44
30 36
31 23
26 31
29 25
48 51
65 46
29 26
28 23
29 32
25 22
22 21
21 24
43 50
24 27
38 33
33 26
35 29
40 29
27 25
27 24
49 38
48 39
27 27
26 24
40 34
35 37
21 26
32 39
30 28
60 52
36 40
25 23
66 55
52 34
41 40
43 ...

using the following data set, create a box plot for
this question.
17, 32, 27, 14, 18, 34, 16, 41, 28, 24, 40, 26, 23,
31, 37, 21, 30, 28

descriptive statistics
for the given data
4 8 18 20 21 22 23 24 25 26 27 28 29 30 31 31 32 32 33 33 34 35 36
37 38 39 47 53

A study was conducted to see if students’ writing skills
continue to improve as the academic year progresses. English 101
students were asked to write essays throughout the year in
September, December, March and June. The scores were compared to
see if there is any improvement in this one-year course. Was there
a significant improvement?
The appropriate test for this problem is:
one-way ANOVA
repeated measurements
Student
September
December
March
June
1
17
23
21
24
2
25
21
21...

The results of a sample of 372 subscribers
toWiredmagazine shows the time spent using the Internet
during the week. Previous surveys have revealed that the population
standard deviation is 10.95 hours. The sample data can be found in
the Excel test data file.
What is the probability that another sample of 372 subscribers
spends less than 19.00 hours per week using the Internet?
Develop a 95% confidence interval for the population mean
If the editors of Wiredwanted to have the...

____________________________________________
The results of a sample of 372 subscribers to Wired
magazine shows the time spent using the Internet during the week.
Previous surveys have revealed that the population standard
deviation is 10.95 hours. The sample data can be found in the Excel
test data file.
What is the probability that another sample of 372 subscribers
spends less than 19.00 hours per week using the Internet?
____________________________________________
Develop a 95% confidence interval for the population mean
____________________________________________
If the editors...

Driving under the influence of alcohol (DUI) is a serious
offense. The following data give the ages of random sample of 50
Drivers arrested while driving under the influence of alcohol.
Using the listed ages; find 16 18 20 21 21 22 22 22 23 24 24 25 26
26 26 27 27 27 29 30 30 31 31 32 33 34 34 35 35 36 37 38 39 40 40
41 43 45 46 47 47 49 49 51...

A set of numbers such as those below is meaningless without some
background information. The INDIVIDUALS here are Newcomb's 66
repetitions of his experiment. We need to know exactly WHAT
VARIABLE he measured, and in WHAT UNITS. Newcomb measured the time
in seconds that a light signal took to pass from his laboratory on
the Potomac River to mirror at the base the Washington Monument an
back, a total distance of about 7400 meters. Just as you can
compute the...

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 21 minutes ago

asked 37 minutes ago

asked 47 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

asked 2 hours ago