DETECTIVE STAT

Which of the following are given based on the problem below:

A researcher wants to determine the average height of high school students in a city. They collect data from 40 students and find that the population standard deviation is 5 cm.

• n = 40
  σ = 5

• n = 40
  s = 5

Which of the following are given based on the problem below:

A teacher wants to analyze the test scores of her class of 30 students. She finds that the sample mean score is 75 and the sample standard deviation is 10.

• n = 30

  μ = 75
  s = 10

• n = 30
  x̄ = 75

  σ = 10

Which of the following are given based on the problem below:

A survey is conducted to find the average time spent on homework by college students. A sample of 20 students shows a mean of 3 hours with a sample standard deviation of 1.5 hours.

• n = 50
  σ = 1.5

  x̄ = 3

• n = 20

  s = 1.5
  μ = 3

Which of the following are given based on the problem below:

A researcher is studying the weight of newborns in a hospital. They collect data from 60 newborns and find that the population standard deviation is 0.8 kg.

• n = 60
  s = 0.8

• n = 60
  σ = 0.8

Which of the following are given based on the problem below:

A survey is conducted to determine the average daily screen time of teenagers. A sample of 25 teenagers shows a mean of 4 hours with a sample standard deviation of 2 hours.

• n = 25
  s = 2
  μ = 4

• n = 25
  σ = 2

  x̄ = 4

Which of the following are given based on the problem below:

A coach wants to analyze the performance of her basketball team. She collects data from 15 games and finds that the average points scored per game is 82 with a sample standard deviation of 12.

• n = 15
  μ = 82
  s = 12

• n = 15
  x̄ = 82
  σ = 12

Which of the following are given based on the problem below:

A scientist is measuring the temperature of a chemical reaction. They take 50 measurements and find that the sample mean temperature is 150 degrees with a population standard deviation of 5 degrees.

• n = 50
  s = 5
  x̄ = 150

• n = 50
  σ = 5

Which of the following are given based on the problem below:

A fitness trainer is tracking the weight loss of her clients over a 12-week program. She collects data from 10 clients and finds that the average weight loss is 8 kg with a sample standard deviation of 2 kg.

• n = 10
  μ = 8
  s = 2

• n = 10
  x̄ = 8
  σ = 2

Which of the following are given based on the problem below:

A researcher is examining the daily water intake of adults. A sample of 30 adults shows a mean intake of 2.5 liters with a sample standard deviation of 0.5 liters.

• n = 30
  σ = 0.5

  x̄ = 2.5

• n = 30
  s = 0.5
  μ = 2.5

Which of the following are given based on the problem below:

A school is assessing the average number of books read by students in a year. A sample of 50 students shows a mean of 15 books with a population standard deviation of 3 books.

• n = 50
  s = 3
  x̄ = 15

• n = 50
  σ = 3