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Introduction to Statistics - MILESTONE 1 (Sophia Learning)

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  • Introduction To Statistics - MILESTONE 1 (Sophia L

Introduction to Statistics - MILESTONE 1 (Sophia Learning)

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  • September 8, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • Introduction to Statistics - MILESTONE 1 (Sophia L
  • Introduction to Statistics - MILESTONE 1 (Sophia L
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Introduction to Statistics -
MILESTONE 1 (Sophia Learning)
An insurance firm wants to estimate the percentage of senior citizens in a
small town with approximately 2,534 residents. It asks a group of 85
randomly selected people in the town about their age.
Select the statement that is TRUE. - -The sample is 85 people. The
population is 2,534 people.

-The manager of a food company wants to conduct a survey to find out
whether consumers like or dislike a new brand of soup that was recently
launched.
Which of the following data collection methods is mostly likely to get
unbiased results? - -Ask customers from every region of the state which
soup is the best.

-"Ugh," Daniel says as he notices an office memo on his desk. It had been a
fun weekend, and Monday morning came much too soon. He goes to the
kitchen to refill his coffee mug. On the way, he runs into Sean, who asks,
"How do you feel about the new office dress code?"
Which type of question has Sean asked? - -Open question

-A shoe retailer decides to record the styles and sizes of shoes that his
customers choose. He records this data for an entire year by keeping track of
his customers' purchases.
Which statement accurately describes the type of data the shoe retailer is
collecting? - -The shoe retailer is gathering raw data because he is recording
shoe sizes and styles by himself.

-Researchers want to test the effects of a new weight loss program. They
believe that gender is a significant factor. The participants are divided by
gender. Then, within each group, participants are randomly assigned to
either the treatment or control group.
Which of the following would be the most effective to test the effects of the
new weight loss program? - -A randomized block design experiment

-The owner of a pizza parlor called every fifth person who ordered pizza last
week to rate the pizza.
What type of statistical study is this? - -A survey

-The following shows the Consumer Price Index (CPI) for the years 2000-
2005. All of the values use a reference year of 1983.
Which of the following is true about the CPI, based on the information? - -
$100 in 1983 would be equivalent to $172.40 in 2000.

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