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MATH 1280 - Unit 1 Exam/ Questions with Certified
Ans/ 2025. Latest update
b.A sample - (answer)The Customers Service Center of a large bank receive calls
from customers. The number of incoming calls between 8:00 AM and 8:10 AM in
consecutive days were recorded. The number of incoming calls during the
working days of the month of September were 8, 10, 6, 7, 12, 7, 8, 7, 8, 6, 9, 4, 6,
14, 10, 10, 10, 10, 6, 10, 12, 7. The number of incoming calls during the working
days of the month of February were 9, 11, 14, 6, 4, 6, 7, 3, 3, 2, 5, 6, 6, 5, 6, 7, 5, 4,
3, 5. In light of the description given, select the correct answer. The data used in
the prompt above is best described as:
a.A population.
b.A sample.
c.A parameter.
d.A statistic.
d.10 incoming calls came during 6 days of the month of September. - (answer)The
Customers Service Center of a large bank receive calls from customers. The
number of incoming calls between 8:00 AM and 8:10 AM in consecutive days
were recorded. The number of incoming calls during the working days of the
month of September were 8, 10, 6, 7, 12, 7, 8, 7, 8, 6, 9, 4, 6, 14, 10, 10, 10, 10, 6,
10, 12, 7. The number of incoming calls during the working days of the month of
February were 9, 11, 14, 6, 4, 6, 7, 3, 3, 2, 5, 6, 6, 5, 6, 7, 5, 4, 3, 5. In light of the
description given, select the correct answer. The location of the highest bar of the
bar plot for the month of September represents the fact:
a.5 incoming calls came during 6 days of the month of February.
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b.6 incoming calls came during 10 days of the month of September.
c.6 incoming calls came during 5 days of the month of February.
d.10 incoming calls came during 6 days of the month of September.
c.A statistic - (answer)The Customers Service Center of a large bank receive calls
from customers. The number of incoming calls between 8:00 AM and 8:10 AM in
consecutive days were recorded. The number of incoming calls during the
working days of the month of September were 8, 10, 6, 7, 12, 7, 8, 7, 8, 6, 9, 4, 6,
14, 10, 10, 10, 10, 6, 10, 12, 7. The number of incoming calls during the working
days of the month of February were 9, 11, 14, 6, 4, 6, 7, 3, 3, 2, 5, 6, 6, 5, 6, 7, 5, 4,
3, 5. In light of the description given, select the correct answer. The average
number of calls recorded in the object "Feb" is 5.85. The average in the object
"Sep" is 8.5. The difference between these two numbers is:
a.A population.
b.A sample.
c.A statistic.
d.None of the above.
c.systematic - (answer)A market researcher polls every tenth person who walks
into a store. Determine the type of sampling used.
a.simple random
b.stratified
c.systematic
MATH 1280 - Unit 1 Exam/ Questions with Certified
Ans/ 2025. Latest update
b.A sample - (answer)The Customers Service Center of a large bank receive calls
from customers. The number of incoming calls between 8:00 AM and 8:10 AM in
consecutive days were recorded. The number of incoming calls during the
working days of the month of September were 8, 10, 6, 7, 12, 7, 8, 7, 8, 6, 9, 4, 6,
14, 10, 10, 10, 10, 6, 10, 12, 7. The number of incoming calls during the working
days of the month of February were 9, 11, 14, 6, 4, 6, 7, 3, 3, 2, 5, 6, 6, 5, 6, 7, 5, 4,
3, 5. In light of the description given, select the correct answer. The data used in
the prompt above is best described as:
a.A population.
b.A sample.
c.A parameter.
d.A statistic.
d.10 incoming calls came during 6 days of the month of September. - (answer)The
Customers Service Center of a large bank receive calls from customers. The
number of incoming calls between 8:00 AM and 8:10 AM in consecutive days
were recorded. The number of incoming calls during the working days of the
month of September were 8, 10, 6, 7, 12, 7, 8, 7, 8, 6, 9, 4, 6, 14, 10, 10, 10, 10, 6,
10, 12, 7. The number of incoming calls during the working days of the month of
February were 9, 11, 14, 6, 4, 6, 7, 3, 3, 2, 5, 6, 6, 5, 6, 7, 5, 4, 3, 5. In light of the
description given, select the correct answer. The location of the highest bar of the
bar plot for the month of September represents the fact:
a.5 incoming calls came during 6 days of the month of February.
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b.6 incoming calls came during 10 days of the month of September.
c.6 incoming calls came during 5 days of the month of February.
d.10 incoming calls came during 6 days of the month of September.
c.A statistic - (answer)The Customers Service Center of a large bank receive calls
from customers. The number of incoming calls between 8:00 AM and 8:10 AM in
consecutive days were recorded. The number of incoming calls during the
working days of the month of September were 8, 10, 6, 7, 12, 7, 8, 7, 8, 6, 9, 4, 6,
14, 10, 10, 10, 10, 6, 10, 12, 7. The number of incoming calls during the working
days of the month of February were 9, 11, 14, 6, 4, 6, 7, 3, 3, 2, 5, 6, 6, 5, 6, 7, 5, 4,
3, 5. In light of the description given, select the correct answer. The average
number of calls recorded in the object "Feb" is 5.85. The average in the object
"Sep" is 8.5. The difference between these two numbers is:
a.A population.
b.A sample.
c.A statistic.
d.None of the above.
c.systematic - (answer)A market researcher polls every tenth person who walks
into a store. Determine the type of sampling used.
a.simple random
b.stratified
c.systematic
