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DETECTIVE STAT

Authored by Jethro Payot

Mathematics

11th Grade

DETECTIVE STAT
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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
= 75

σ = 10

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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

= 3

n = 20

s = 1.5
μ = 3

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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

= 4

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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
= 82
σ = 12

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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
= 150

n = 50
σ = 5

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