Question

You are interested in finding a 95% confidence interval for the average commute that non-residential students have to their college. The data below show the number of commute miles for 11 randomly selected non-residential college students.

28 | 13 | 27 | 7 | 19 | 16 | 22 | 13 | 6 | 7 | 16 |

If many groups of 11 randomly selected non-residential college students are surveyed, then a different confidence interval would be produced from each group. About ____ percent of these confidence intervals will contain the true population mean number of commute miles and about ____ percent will not contain the true population mean number of commute miles.

Answer #1

You are interested in finding a 95% confidence interval for the
average commute that non-residential students have to their
college. The data below show the number of commute miles for 12
randomly selected non-residential college students. Round answers
to 3 decimal places where possible.
5
15
25
16
17
26
6
6
11
5
8
19
a. To compute the confidence interval use a ? t
z distribution.
b. With 95% confidence the population mean commute for
non-residential college students is...

You are interested in finding a 90% confidence interval for the
average commute that non-residential students have to their
college. The data below show the number of commute miles for 11
randomly selected non-residential college students. Round answers
to 3 decimal places where possible.
23
8
9
7
7
16
7
14
6
24
17
a. To compute the confidence interval use a
distribution.
b. With 90% confidence the population mean commute for
non-residential college students is between and miles....

You are interested in finding a 90% confidence interval for the
average commute that non-residential students have to their
college. The data below show the number of commute miles for 10
randomly selected non-residential college students. Round answers
to 3 decimal places where possible.
10 13 24 14 11 10 22 9 21 22
b. With 90% confidence the population mean commute for
non-residential college students is between and miles.
c. If many groups of 10 randomly selected non-residential
college...

You are interested in finding a 98% confidence interval for the
average commute that non-residential students have to their
college. The data below show the number of commute miles for 13
randomly selected non-residential college students.
28
12
25
14
15
12
5
18
28
7
6
18
24
a. To compute the confidence interval use a ? t
z distribution.
b. With 98% confidence the population mean commute for
non-residential college students is between and
miles.
c. If many groups of...

You are interested in finding a 90% confidence interval for the
average commute that non-residential students have to their
college. The data below show the number of commute miles for 14
randomly selected non-residential college students. Round answers
to 3 decimal places where possible.
10
21
26
20
18
12
11
16
17
6
14
25
25
6
a. To compute the confidence interval use a ? z
t distribution.
b. With 90% confidence the population mean commute for
non-residential college...

You are interested in finding a 90% confidence interval for the
average commute that non-residential students have to their
college. The data below show the number of commute miles for 14
randomly selected non-residential college students. Round answers
to 3 decimal places where possible.
10
21
26
20
18
12
11
16
17
6
14
25
25
6
a. To compute the confidence interval use a ? z
t distribution.
b. With 90% confidence the population mean commute for
non-residential college...

You are interested in finding a 95% confidence interval for the
average number of days of class that college students miss each
year. The data below show the number of missed days for 12 randomly
selected college students.
3
12
8
1
10
10
6
1
7
7
4
9
a. To compute the confidence interval use a distribution.
b. With 95% confidence the population mean number of days of
class that college students miss is between answer _____ and...

You are interested in finding a 90% confidence interval for the
average number of days of class that college students miss each
year. The data below show the number of missed days for 10 randomly
selected college students.
11 0 10 11 3 11 8 9 4 3
a. To compute the confidence interval use a distribution.
b. With 90% confidence the population mean number of days of
class that college students miss is answer ____ between and answer
____...

You are interested in finding a 98% confidence interval for the
average number of days of class that college students miss each
year. The data below show the number of missed days for 10 randomly
selected college students. Round answers to 3 decimal places where
possible.
2
0
10
7
11
1
3
11
2
0
a. To compute the confidence interval use a ? t
z distribution.
b. With 98% confidence the population mean number of days of
class that...

You are interested in finding a 95% confidence interval for the
mean number of visits for physical therapy patients. The data below
show the number of visits for 10 randomly selected physical therapy
patients.
17 24 24 19 7 25 9 9 11 15
a. To compute the confidence interval use a distribution.
b. With 95% confidence the population mean number of visits per
physical therapy patient is answer ___ between and answer ____
visits.
c. If many groups of...

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