STEDI.ORG SUBASSESSMENT FINAL
TEST COMPREHENSIVE STUDY GUIDE
2026 FULL QUESTIONS AND
SOLUTIONS GRADED A+
◍ 1) After inspecting all of 55,000 kg of meat stored at the Wurst Sausage
Company, it was found that 1) 45,000 kg of the meat was spoiled..
Answer: b
◍ 2) The height of 2-year-old maple tree is 28.3 ft..
Answer: b
◍ 3) Nationalities of survey respondents..
Answer: b
◍ 4) A sample of fish is taken from a lake to measure the effect of pollution
from a nearby factory on the 4) fish..
Answer: a
◍ 5) A market researcher selects 500 people from each of 10 cities..
Answer: d
◍ 6) A statistical analyst obtains data about ankle injuries by examining a
hospital's records from the past 3 years..
Answer: c
◍ 7) The following frequency distribution analyzes the scores on a math test.
Find the class midpoint of 7) scores interval 95-99..
Answer: b
◍ 8) The frequency distribution below summarizes employee years of service
for Alpha Corporation. 8) Determine the width of each class..
, Answer: c
◍ 9) The frequency distribution for the weekly incomes of students with
part-time jobs is given below. 9) Construct the corresponding relative
frequency distribution. Round relative frequencies to thenearest hundredth
of a percent if necessary..
Answer: c
◍ 10) A nurse measured the blood pressure of each person who visited her
clinic. Following is a 10) relative-frequency histogram for the systolic blood
pressure readings for those people agedbetween 25 and 40. The blood
pressure readings were given to the nearest whole number. Approximately
what percentage of the people aged 25-40 had a systolic blood pressure
readingbetween 110 and 139 inclusive?.
Answer: b
◍ 11) The following data show the number of laps run by each participant in a
marathon. 11) 46 65 55 43 51 48 57 30 43 49 32 56.
Answer: a
◍ 12) 120 casino patrons, were interviewed as they left the casino. 36 of them
said they spent most of the 12) time playing the slots. 36 of them said they
played blackjack. 18 said they played craps. 6 saidroulette. 6 said poker. The
rest were not sure what they played the most. Construct a Pareto chart to
depict the gaming practices of the group of casino goers. Choose the vertical
scale so that therelative frequencies are represented..
Answer: b
◍ 13) Six college buddies bought each other Christmas gifts. They amounts
they spent are shown below. 13) $287.01 $297.04 $290.47$189.34 $148.59
$274.76What was the mean amount spent? Round your answer to the
nearest cent..
Answer: b
◍ 14) A store manager kept track of the number of newspapers sold each week
over a seven-week 14) period. The results are shown below. 81 71 202 113
TEST COMPREHENSIVE STUDY GUIDE
2026 FULL QUESTIONS AND
SOLUTIONS GRADED A+
◍ 1) After inspecting all of 55,000 kg of meat stored at the Wurst Sausage
Company, it was found that 1) 45,000 kg of the meat was spoiled..
Answer: b
◍ 2) The height of 2-year-old maple tree is 28.3 ft..
Answer: b
◍ 3) Nationalities of survey respondents..
Answer: b
◍ 4) A sample of fish is taken from a lake to measure the effect of pollution
from a nearby factory on the 4) fish..
Answer: a
◍ 5) A market researcher selects 500 people from each of 10 cities..
Answer: d
◍ 6) A statistical analyst obtains data about ankle injuries by examining a
hospital's records from the past 3 years..
Answer: c
◍ 7) The following frequency distribution analyzes the scores on a math test.
Find the class midpoint of 7) scores interval 95-99..
Answer: b
◍ 8) The frequency distribution below summarizes employee years of service
for Alpha Corporation. 8) Determine the width of each class..
, Answer: c
◍ 9) The frequency distribution for the weekly incomes of students with
part-time jobs is given below. 9) Construct the corresponding relative
frequency distribution. Round relative frequencies to thenearest hundredth
of a percent if necessary..
Answer: c
◍ 10) A nurse measured the blood pressure of each person who visited her
clinic. Following is a 10) relative-frequency histogram for the systolic blood
pressure readings for those people agedbetween 25 and 40. The blood
pressure readings were given to the nearest whole number. Approximately
what percentage of the people aged 25-40 had a systolic blood pressure
readingbetween 110 and 139 inclusive?.
Answer: b
◍ 11) The following data show the number of laps run by each participant in a
marathon. 11) 46 65 55 43 51 48 57 30 43 49 32 56.
Answer: a
◍ 12) 120 casino patrons, were interviewed as they left the casino. 36 of them
said they spent most of the 12) time playing the slots. 36 of them said they
played blackjack. 18 said they played craps. 6 saidroulette. 6 said poker. The
rest were not sure what they played the most. Construct a Pareto chart to
depict the gaming practices of the group of casino goers. Choose the vertical
scale so that therelative frequencies are represented..
Answer: b
◍ 13) Six college buddies bought each other Christmas gifts. They amounts
they spent are shown below. 13) $287.01 $297.04 $290.47$189.34 $148.59
$274.76What was the mean amount spent? Round your answer to the
nearest cent..
Answer: b
◍ 14) A store manager kept track of the number of newspapers sold each week
over a seven-week 14) period. The results are shown below. 81 71 202 113
