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EXST 2201 EXAM 1 Questions with
Detailed Verified Answers
Question: lesson 1.1
Question: True or False: statistics is the science of decision making using
random selection of choices
Ans: False
Question: A shoe store wants to know how much money, on average, their
customers spend each visit to the store. Using their store records, they draw a
sample of 4,500 customer visits and record the amount spent at each
customer visit. The average of this data is calculated to answer the shoe
store's question.
What is the population in this example?
Ans: all shoe store customer visits
Question: A shoe store wants to know how much money, on average, their
customers spend each visit to the store. Using their store records, they draw a
sample of 4,500 customer visits and record the amount spent at each
customer visit. The average of this data is calculated to answer the shoe
store's question.
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What is the sample in this example?
Ans: the 4,500 customer visits recorded
Question: A shoe store wants to know how much money, on average, their
customers spend each visit to the store. Using their store records, they draw a
sample of 4,500 customer visits and record the amount spent at each
customer visit. The average of this data is calculated to answer the shoe
store's question.
What is the variable in this example?
Ans: the amount spent in the store at each customer visit
Question: At a birthday party, teams are chosen by putting everyone's name
in a hat. Then names are drawn to make up each team.
Is this sampling with replacement?
Ans: False
Question: At a local seminar, every attendee's name was put into a jar to win
a small gift. Names were selected at random, then returned to the jar. This
allowed the possibility of an attendee winning more than one gift.
Is this sampling with replacement?
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Ans: True
Question: Use the table below about automobiles to classify these columns of
data.
Which column contains continuous data?
Which column contains discrete data?
Which column contains qualitative data?
Ans: continuous data: weight
discrete data: number of seats
qualitative data: body style
Question: LSU wants to conduct a survey of high school seniors in Louisiana
concerning their plans for future education. The survey asks three questions\:
Gender - What is the senior's gender?
GPA - What is the senior's current GPA to two decimal places?
Years - How many years it will take the senior to complete high school? Which
variable contains continuous data?
Which variable contains discrete data?
Which variable contains qualitative data?
EXST 2201 EXAM 1 Questions with
Detailed Verified Answers
Question: lesson 1.1
Question: True or False: statistics is the science of decision making using
random selection of choices
Ans: False
Question: A shoe store wants to know how much money, on average, their
customers spend each visit to the store. Using their store records, they draw a
sample of 4,500 customer visits and record the amount spent at each
customer visit. The average of this data is calculated to answer the shoe
store's question.
What is the population in this example?
Ans: all shoe store customer visits
Question: A shoe store wants to know how much money, on average, their
customers spend each visit to the store. Using their store records, they draw a
sample of 4,500 customer visits and record the amount spent at each
customer visit. The average of this data is calculated to answer the shoe
store's question.
, Page | 2
What is the sample in this example?
Ans: the 4,500 customer visits recorded
Question: A shoe store wants to know how much money, on average, their
customers spend each visit to the store. Using their store records, they draw a
sample of 4,500 customer visits and record the amount spent at each
customer visit. The average of this data is calculated to answer the shoe
store's question.
What is the variable in this example?
Ans: the amount spent in the store at each customer visit
Question: At a birthday party, teams are chosen by putting everyone's name
in a hat. Then names are drawn to make up each team.
Is this sampling with replacement?
Ans: False
Question: At a local seminar, every attendee's name was put into a jar to win
a small gift. Names were selected at random, then returned to the jar. This
allowed the possibility of an attendee winning more than one gift.
Is this sampling with replacement?
, Page | 3
Ans: True
Question: Use the table below about automobiles to classify these columns of
data.
Which column contains continuous data?
Which column contains discrete data?
Which column contains qualitative data?
Ans: continuous data: weight
discrete data: number of seats
qualitative data: body style
Question: LSU wants to conduct a survey of high school seniors in Louisiana
concerning their plans for future education. The survey asks three questions\:
Gender - What is the senior's gender?
GPA - What is the senior's current GPA to two decimal places?
Years - How many years it will take the senior to complete high school? Which
variable contains continuous data?
Which variable contains discrete data?
Which variable contains qualitative data?
