MATH 110 MODULE 7 INTRODUCTION TO
STATISTICS CERTIFICATION EVALUATION TEST
2026 FULL SOLUTION QUESTIONS GRADED A+
◉ The height of 2-year-old maple tree is 28.3 ft. Answer: Continuous
◉ Is the study experimental or observational?
A sample of fish is taken from a lake to measure the effect of
pollution from a nearby factory on the fish. Answer: Observational
◉ Identify which of these types of sampling is used: random,
stratified, systematic, cluster, convenience.
A sample consists of every 49th student from a group of 496
students. Answer: Systematic
◉ Identify which of these types of sampling is used: random,
stratified, systematic, cluster, convenience.
A market researcher selects 500 people from each of 10 cities.
Answer: Cluster
◉ Identify the number as either continuous or discrete.
, The number of stories in a Manhattan building is 22. Answer:
Discrete
◉ Is the study experimental or observational?
A doctor performs several diagnostic tests to determine the reason
for a patient's illness. Answer: Experimental
◉ Identify the number as either continuous or discrete.
The number of freshmen entering college in a certain year is 621.
Answer: Discrete
◉ Determine whether the given value is a statistic or a parameter.
After taking the first exam, 15 of the students dropped the class.
Correct! Answer: Parameter
◉ Identify the sample and population. Also, determine whether the
sample is likely to be representative of the population.
STATISTICS CERTIFICATION EVALUATION TEST
2026 FULL SOLUTION QUESTIONS GRADED A+
◉ The height of 2-year-old maple tree is 28.3 ft. Answer: Continuous
◉ Is the study experimental or observational?
A sample of fish is taken from a lake to measure the effect of
pollution from a nearby factory on the fish. Answer: Observational
◉ Identify which of these types of sampling is used: random,
stratified, systematic, cluster, convenience.
A sample consists of every 49th student from a group of 496
students. Answer: Systematic
◉ Identify which of these types of sampling is used: random,
stratified, systematic, cluster, convenience.
A market researcher selects 500 people from each of 10 cities.
Answer: Cluster
◉ Identify the number as either continuous or discrete.
, The number of stories in a Manhattan building is 22. Answer:
Discrete
◉ Is the study experimental or observational?
A doctor performs several diagnostic tests to determine the reason
for a patient's illness. Answer: Experimental
◉ Identify the number as either continuous or discrete.
The number of freshmen entering college in a certain year is 621.
Answer: Discrete
◉ Determine whether the given value is a statistic or a parameter.
After taking the first exam, 15 of the students dropped the class.
Correct! Answer: Parameter
◉ Identify the sample and population. Also, determine whether the
sample is likely to be representative of the population.
