MA129| MA129 D, E, BR Midterm actual sample
with answers Prev year 2026 Intro calculus |
|WATERLOO & BRANTFORD, ONTARIO
Those methods involving the collection, presentation, and characterization of a set of data in
order to properly describe the various features of that set of data are called____________
A. statistical inference.
B. descriptive statistics.
C. sampling.
D. the scientific method. - Correct AnswerB
Parking at a large university has become a very big problem. University administrators are
interested in determining the average parking time (e.g. the time it takes a student to find a
parking spot) of its students. An administrator inconspicuously followed 210 students and
carefully recorded their parking times. Identify the population of interest to the university
administration.
A .The entire set of faculty, staff, and students that park at the university.
B. The parking times of the 210 students from whom the data were collected.
C. The parking times of the entire set of students that park at the university.
D. The students that park at the university between 9 and 10 AM on Wednesdays. - Correct
AnswerC
A ________ is a portion of a population that is representative of the population from which it is
selected.
A. sample
B. parameter
C. population
D. survey
E. None of the other choices is true - Correct AnswerA
An employee at the local ice cream parlor asks three customers if they like chocolate ice cream.
What is the population?
Page 1 of 72
,A. three selected customers
B. all women customers.
C. all men customers
D. all customers - Correct AnswerD
If the observer wishes to control the time of delivery of fire, which method of control would the
observer utilize?
a. At My Command
b. Fire When Ready
c. Repeat
d. Mark - Correct Answera. At My Command
Which method of control indicates the observer cannot see the target due to weather, terrain,
vegetation, intensity of the conflict, or smoke?
a. Unobserved
b. Lost
c. Lost Line of Sight
d. Cannot Observe - Correct Answerd. Cannot Observe
Which method of control would an observer use to specify the specific time rounds impact on
the target?
a. Time on Target
b. Time to Target
c. Request Time
d. Duration - Correct Answera. Time on Target
Which method of control would an observer use to specify the time, in minutes and seconds
post hack statement, rounds impact on the target?
a. Time on Target
b. Time to Target
c. Request Time
d. Duration - Correct Answerb. Time to Target
True / False: The FDC announces SPLASH to the observer 5 seconds prior to round impact. -
Correct AnswerTrue
What method of control would an observer utilize if they wished to tell the FDC the total time to
engage a target?
Page 2 of 72
,a. Time on target
b. Duration
c. Time
d. Interval - Correct Answerb. Duration
What four items does the Message To Observer (MTO) consist of? - Correct AnswerUnit(s) to
fire
Changes to Call For Fire
Number of rounds
Target number
How many transmissions are transmitted to the ship for the NSFS call for fire?
a. Three Transmissions
b. Five Transmissions
c. One Transmission
d. Two Transmissions - Correct Answerd. Two Transmissions
What FDC command will the FO receive after sending a CFF as "DNL" or after establishing a
priority target?
a. Ready
b. Laid
c. In Position Ready to Fire
d. Aimed On - Correct Answerb. Laid
What FDC command will the FO receive after sending a CFF as "At My Command" or "By Round,
At My Command"?
a. Ready
b. Laid
c. In Position Ready to Fire
d. Aimed On - Correct Answera. Ready
What FDC command is used to signify the number of rounds specified in the fire for effect has
been fired?
a. Splash
b. Shot
c. Rounds Complete
d. End of Mission - Correct Answerc. Rounds Complete
Page 3 of 72
, _____ is the observer's determination of the location of the burst, or the mean point of impact
of a group of bursts, with respect to the adjusting point as observed along the observer-target
line.
a. Spotting
b. Correction
c. Impact
d. Adjusting point - Correct Answera. Spotting
True / False: The sequence of spottings is height of burst, range, and deviation. - Correct
AnswerTrue
ATP 3-09.30, 5-2
What are the five Height of Burst (HOB) spottings and what do they mean? - Correct
AnswerAir—A round or group of rounds that bursts in the air.
Graze—A round or group of rounds that detonates on impact.
Mixed—A group of rounds that results in an equal number of airbursts and graze bursts.
Mixed air—A group of rounds that results in both airbursts and graze bursts when most of the
bursts are airbursts.
Mixed graze—A group of rounds that results in both airbursts and graze bursts when most of
the
bursts are graze bursts.
ATP 3-09.30, 5-4
What are the eight range spottings? - Correct AnswerOver
Short
Target
Range Correct
Doubtful
Lost
Unobserved
Unobserved over/short
ATP 3-09.30, 5-5
As an FO calling for fire you observe a round impact beyond the adjusting point. What range
spotting would that be?
a. Target
b. Air
Page 4 of 72
with answers Prev year 2026 Intro calculus |
|WATERLOO & BRANTFORD, ONTARIO
Those methods involving the collection, presentation, and characterization of a set of data in
order to properly describe the various features of that set of data are called____________
A. statistical inference.
B. descriptive statistics.
C. sampling.
D. the scientific method. - Correct AnswerB
Parking at a large university has become a very big problem. University administrators are
interested in determining the average parking time (e.g. the time it takes a student to find a
parking spot) of its students. An administrator inconspicuously followed 210 students and
carefully recorded their parking times. Identify the population of interest to the university
administration.
A .The entire set of faculty, staff, and students that park at the university.
B. The parking times of the 210 students from whom the data were collected.
C. The parking times of the entire set of students that park at the university.
D. The students that park at the university between 9 and 10 AM on Wednesdays. - Correct
AnswerC
A ________ is a portion of a population that is representative of the population from which it is
selected.
A. sample
B. parameter
C. population
D. survey
E. None of the other choices is true - Correct AnswerA
An employee at the local ice cream parlor asks three customers if they like chocolate ice cream.
What is the population?
Page 1 of 72
,A. three selected customers
B. all women customers.
C. all men customers
D. all customers - Correct AnswerD
If the observer wishes to control the time of delivery of fire, which method of control would the
observer utilize?
a. At My Command
b. Fire When Ready
c. Repeat
d. Mark - Correct Answera. At My Command
Which method of control indicates the observer cannot see the target due to weather, terrain,
vegetation, intensity of the conflict, or smoke?
a. Unobserved
b. Lost
c. Lost Line of Sight
d. Cannot Observe - Correct Answerd. Cannot Observe
Which method of control would an observer use to specify the specific time rounds impact on
the target?
a. Time on Target
b. Time to Target
c. Request Time
d. Duration - Correct Answera. Time on Target
Which method of control would an observer use to specify the time, in minutes and seconds
post hack statement, rounds impact on the target?
a. Time on Target
b. Time to Target
c. Request Time
d. Duration - Correct Answerb. Time to Target
True / False: The FDC announces SPLASH to the observer 5 seconds prior to round impact. -
Correct AnswerTrue
What method of control would an observer utilize if they wished to tell the FDC the total time to
engage a target?
Page 2 of 72
,a. Time on target
b. Duration
c. Time
d. Interval - Correct Answerb. Duration
What four items does the Message To Observer (MTO) consist of? - Correct AnswerUnit(s) to
fire
Changes to Call For Fire
Number of rounds
Target number
How many transmissions are transmitted to the ship for the NSFS call for fire?
a. Three Transmissions
b. Five Transmissions
c. One Transmission
d. Two Transmissions - Correct Answerd. Two Transmissions
What FDC command will the FO receive after sending a CFF as "DNL" or after establishing a
priority target?
a. Ready
b. Laid
c. In Position Ready to Fire
d. Aimed On - Correct Answerb. Laid
What FDC command will the FO receive after sending a CFF as "At My Command" or "By Round,
At My Command"?
a. Ready
b. Laid
c. In Position Ready to Fire
d. Aimed On - Correct Answera. Ready
What FDC command is used to signify the number of rounds specified in the fire for effect has
been fired?
a. Splash
b. Shot
c. Rounds Complete
d. End of Mission - Correct Answerc. Rounds Complete
Page 3 of 72
, _____ is the observer's determination of the location of the burst, or the mean point of impact
of a group of bursts, with respect to the adjusting point as observed along the observer-target
line.
a. Spotting
b. Correction
c. Impact
d. Adjusting point - Correct Answera. Spotting
True / False: The sequence of spottings is height of burst, range, and deviation. - Correct
AnswerTrue
ATP 3-09.30, 5-2
What are the five Height of Burst (HOB) spottings and what do they mean? - Correct
AnswerAir—A round or group of rounds that bursts in the air.
Graze—A round or group of rounds that detonates on impact.
Mixed—A group of rounds that results in an equal number of airbursts and graze bursts.
Mixed air—A group of rounds that results in both airbursts and graze bursts when most of the
bursts are airbursts.
Mixed graze—A group of rounds that results in both airbursts and graze bursts when most of
the
bursts are graze bursts.
ATP 3-09.30, 5-4
What are the eight range spottings? - Correct AnswerOver
Short
Target
Range Correct
Doubtful
Lost
Unobserved
Unobserved over/short
ATP 3-09.30, 5-5
As an FO calling for fire you observe a round impact beyond the adjusting point. What range
spotting would that be?
a. Target
b. Air
Page 4 of 72
