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UNIT 4 statistics LESSON 2 statistics basics

They may be in different order

Q1. The city council wants to know if its 56,000 residents favor the construction of the new athletic facility. Six hundred residents were surveyed, and 350 residents responded favorably, while 250 residents opposed the construction. Identify the population and the sample. (1 point)
Answer
Population 56,000 residents
Sample 600 residents

Q2. Kenya wants to know how much time students in her school spend doing their homework each day. Out of 450 students in the school, she was able to get a response from 190 students. Identify the population and the sample. (1 point)
Answer
Population 450 students
Sample 190 students

Q3. Kenya wants to know how much time students in her school spend doing their homework each day. Out of 450 students in the school, she was able to get a response from 190 students. Identify the population and the sample. (1 point)
Answer
Population: 124 students
Sample: 68 students

Q4. Kendra wants to know the average height of first-year high school students in her town. She randomly picked 25 male and 25 female students from each of the 10 high schools in her town. From the data she collected, she concluded that the average height of first-year high school students in her town is 5 feet, 7 inches. How many students in total were included in her representative sample? (1 point)
Answer
500 students
25+25=50
50x10=500

Q5. Joe wants to find the most common source of news among U.S. adults. He wants his sample to have 10,000 adults (half male and half female individuals) to make a valid generalization. How many people from each of the 50 states should he choose randomly to avoid bias in his study? (1 point)
Answer
200 adults
count to 10,000 by 200
1. 200
2. 400
3. 600
4. 1,000
all the way to 10,000
also, all the answers are all correct I promise because I did the test before I did this.
Have a great day😀

1 answer

Sure! Here’s a summary of the answers based on your questions and responses:

Q1: Identify the population and the sample.

  • Population: 56,000 residents
  • Sample: 600 residents

Q2: Identify the population and the sample.

  • Population: 450 students
  • Sample: 190 students

Q3: Identify the population and the sample.

  • Population: 450 students (this appears to be a repetition of Q2 based on context)
  • Sample: 190 students (same as Q2, but if the numbers 124 and 68 were stated, it seems there might be confusion; please clarify if it's a different study)

Q4: How many students in total were included in her representative sample?

  • Total Students: 500 students (25 male + 25 female students from each of 10 high schools: 50 x 10 = 500)

Q5: How many people from each of the 50 states should Joe choose to avoid bias?

  • Number of Adults from Each State: 200 adults (10,000 adults / 50 states = 200 adults per state)

If you have any further questions or if there's any additional content you'd like to go over, feel free to ask! Have a great day! 😊