Weds HW and Upcoming Quizzes!

Tomorrow we will start class with another short quiz--it will look very similar to the "Fenway Park Pop Quiz" homework we had last week!

**If you were absent today be sure to look at the homework and use these examples to practice; you're taking the quiz tomorrow!**

Tonight, please complete the "Ch. 12: Sampling HW" provided in class (or below). Use the answer key below to check your responses and use this to study for tomorrow! 

Additionally, we will have our chapter 12 vocabulary quiz to start class on Friday! Busy week--this is the tone we're setting for the 3rd quarter, we have to be on top of our game and ready to earn an A every day!

Tonight's (Wednesday) HW:

And here's a key to the "Pop Quiz" homework from Thursday night, which covered the same concepts--our quiz tomorrow is a different version of this!

Finally, here are the homework answers so you can use tonight's homework to review/study for tomorrow's quiz to start class:

• 1.) Suppose East Hartford....
• Population: all residents of East Hartford
• Parameter of Interest: proportion/% of all EH residents who believe the school should start a field hockey team
• Sampling Frame: any person (hopefully EH resident) who visits the district website
• Sample: all EH residents who voted on the poll
• Sampling Method: voluntary response sample
• 2.) The U.S. Department of Education...
• Population: all high school seniors in the U.S.
• Parameter of Interest: mean/average number of colleges/universities applied to (per student) for all high school seniors in the U.S
• Sampling Frame: all high school seniors in the U.S.
• Sample: the 3,481 high school seniors who were randomly selected
• Sampling Method: stratified sample (selected some seniors from each state)
• 3.) Connecticut state police....
• Population: all cars/drivers in CT
• Parameter of Interest: proportion/% of all EH cars/drivers in CT who have a problem with one of these requirements
• Sampling Frame: any person/car that drives by/through this roadblock
• Sample: any cars/drivers that were stopped at this roadblock
• Sampling Method: convenience sample
• 4.) Determine statistic or parameter and correct symbol....
• a.) Parameter: "mu"
• b.) Statistic: "p-hat"
• c.) Statistic: "x-bar"
• d.) Statistic: "Sx"
• e.) Parameter (no symbol)
• f.) Statistic (no symbol)
• g.) Parameter: "p"
• h.) Parameter: "sigma"