AMDM Midterm Review EJCHS

The researcher has a population total of 100 individuals and needs 12 subjects. He first picks his starting number, 5. Then the researcher picks his interval, 8. The members of his sample will be individuals 5, 13, 21, 29, 37, 45, 53, 61, 69, 77, 85, 93.

• simple random

• stratified

• cluster

• systematic

Tags

CCSS.HSS.IC.B.3

A treatment that has no effect on a group. A "sugar pill".

• placebo

• experiment

• variable of interest

• additive

Tags

CCSS.HSS.IC.B.3

A treatment that has no effect on a group. A "sugar pill".

• placebo

• experiment

• variable of interest

• additive

You are interested in whether karaoke singers who are more animated would receive more applause from the audience. You visit a restaurant that has karaoke and watch karaoke singers during one evening. You rate each karaoke singer with respect to how animated the singer is. You also rate the degree of applause that each singer receives. You then determine whether there is any correlation between how animated the singers were and the applause that they received from the audience.

• experimental study

• observational study

Tags

CCSS.HSS.IC.B.3

A group of 25 employees chosen out of a hat from a company of 250 employees. Each employee has an equal chance of being chosen.

• convenience sampling

• stratified sampling

• simple random sampling

• cluster sampling

Tags

CCSS.HSS.IC.B.3

The entire group that is being operated on.

• cluster

• population

• senior superlatives

• Jonathan's ponytail

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The head of a company wants to know about morale in the workplace. She has all of the employees to fill out a survey as they leave work.

• stratified sampling

• cluster sampling

• simple random sampling

• census

Tags

CCSS.HSS.IC.B.3

A neighborhood watch participant conducts a study of homes that have alarm systems. He surveys those from houses that are on the same street as he.

• stratified sampling

• convenience sampling

• simple random sampling

• census

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The __________ is the piece of data that is found in the middle of a group.

• mode

• mean

• median

• range

Tags

CCSS.6.SP.B.5C

Jordhon was paid $5,100 to complete a wall mural art job. He had to purchase $850 worth of materials to use for the project. Then, he worked a total of 210 hours on the project over a month's time. How much did he make per hour on the job?

• $20.24 per hour

• $18.12 per hour

• $22.76 per hour

• $16.89 per hour

Tags

CCSS.7.EE.B.3