Question

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 15 randomly selected college students. 11 5 3 7 12 4 11 9 4 4 2 4 5 9 9 a. To compute the confidence interval use a t Correct distribution. b. With 98% confidence the population meannumber of days of class that college students miss is between and days.

Answer #1

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 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 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 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 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 98% confidence interval for the
mean number of visits for physical therapy patients. The data below
show the number of visits for 12 randomly selected physical therapy
patients. Round answers to 3 decimal places where possible.
27
18
25
26
25
11
23
16
18
28
15
26
a. To compute the confidence interval use a distribution.
b. With 98% confidence the population mean number of visits per
physical therapy patient is between answer...

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....

A researcher is interested in finding a 98% confidence interval
for the mean number of times per day that college students text.
The study included 134 students who averaged 25.9 texts per day.
The standard deviation was 21.5 texts. Round answers to 3 decimal
places where possible.
a. To compute the confidence interval use a distribution.
b. With 98% confidence the population mean number of texts per
day is answer ___ between and answers ___ texts.
c. If many groups...

A researcher is interested in finding a 98% confidence interval
for the mean number of times per day that college students text.
The study included 142 students who averaged 30.3 texts per day.
The standard deviation was 18.9 texts. Round answers to 3 decimal
places where possible.
a. To compute the confidence interval use a distribution.
b. With 98% confidence the population mean number of texts per
day is between answer _______ and answer _______ texts.
c. If many groups...

A researcher is interested in finding a 98% confidence interval
for the mean number of times per day that college students text.
The study included 130 students who averaged 38.8 texts per day.
The standard deviation was 21.5 texts. Round answers to 3 decimal
places where possible. a. To compute the confidence interval use a
distribution. b. With 98% confidence the population mean number of
texts per day is between and texts. c. If many groups of 130
randomly selected...

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